ASP.NET 5 RC1 On Linux – Part II – Installation

Using the instructions from docs.asp.net, for Ubuntu we essentially run:

login to ubuntu
fire up terminal (Ctrl-Alt-T)

run the following commands:


sudo apt-get install unzip curl

curl -sSL https://raw.githubusercontent.com/aspnet/Home/dev/dnvminstall.sh | DNX_BRANCH=dev sh && source ~/.dnx/dnvm/dnvm.sh

sudo apt-get install libunwind8 gettext libssl-dev libcurl4-openssl-dev zlib1g libicu-dev uuid-dev

dnvm upgrade -r coreclr

sudo apt-get install make automake libtool curl
curl -sSL https://github.com/libuv/libuv/archive/v1.4.2.tar.gz | sudo tar zxfv - -C /usr/local/src
cd /usr/local/src/libuv-1.4.2
sudo sh autogen.sh
sudo ./configure
sudo make
sudo make install
sudo rm -rf /usr/local/src/libuv-1.4.2 && cd ~/
sudo ldconfig

Happily, this all ran without a hitch.


References: http://docs.asp.net/en/latest/getting-started/installing-on-linux.html#installing-on-debian-ubuntu-and-derivatives

ASP.NET 5 RC1 On Linux

Since the ASP.NET 5 Release Candidate 1 was released in late November, I’ve decided its time to give it a whirl, and to get around to doing some blogging.

Testing it out on Windows 10 would be the easiest course of action I suppose, but I’ve decided to give it a try on Linux, specifically the Ubuntu distro, as the big story with the new ASP.NET is the cross-platform capabilities.

For testing I created a second generation VM in HyperV, allocated the machine 8GB of RAM (dynamic), and set the max size on the virtual drive to be 64GB, and allocated two virtual processors.  This should be more than enough for a  test drive.

I then downloaded Ubuntu 14.04.3 Desktop LTS, and installed, essentially with the defaults.   Also, secure boot needed to be disabled to install Ubuntu on the second generation VM.

Next post, setting up ASP.NET 5 RC 1.

 

Test of Typescript SyntaxHilighter 1.5

 

//#region person class
class Person {
  @memoize('test')  //Typescript 1.5 decorators
  get name() { return '${this.first} ${this.last}'; }
  //test
  set name(val) {
    let [first, last] = val.split(' ');
    this.first = first;
    this.last = last;
  }
  greeting: string;
  constructor(message: string) {
    this.greeting = message;
  }
  //test of comment with a > and a < in it. Plus a #. Plus @test2
  greet(@anotherDecorator z : string) : string {
    var x = greeting || test;
    var t = 12 + 3;
    var b = !!x;
    $(".js-alert-link").on("click", (event:JQueryEventObject) => this.startTimer(event));
    return "Hello, " + this.greeting;
  }
}
//#endregion


YUI COMPRESSOR SINGLE FILE GENERATOR FOR VS2013

In the past I used a Javascript and CSS minifier in Visual Studio that I built on top of the original YUI compressor.  I implemented it via a Custom Tool / Single File Generator.  I figured this might be helpful with minifying the output of TypeScript.  I wanted to eliminate the Java dependency however, so  I built the generator on top of YUI Compressor.NET.  Unfortunately, this doesn’t seem to work for my situation.  When TypeScript generates new Javascript output it doesn’t seem to trigger the SFG to do its thing.   In any case I put the source on Github for anyone who is interested.

IIS REWRITE II – CURSE OF THE 500 URL Rewrite Module Error.

A few months back I wrote about how I set up the URL rewriting for this blog.   About two weeks ago I read some chatter on Twitter about using Dareboost to optimize one’s blog.  It had several recommendations when I ran it on my site, one of them being to enable IIS compression.  After some fiddling about I got it to work on my shared hosting plan, and thought nothing else of it.

Fast forward to today and I notice one part of my site isn’t working – the date picker on my very simplistic Amortization calculator isn’t working.  Well the problem turned out to be, the rewriting rules I had set weren’t covering links to CSS and Script.  Easy enough – I’ll just quickly add an extra outbound rule to cover this.   Well, every time I added a rule it either caused the entire site or the calculator to return empty responses, which I determined were due to HTTP 500 errors.  I couldn’t understand why adding a simple new rule was causing this, even when I modified it to take no action. 

It turns out the problem was this – and it makes sense – you can’t have an outbound rule if you have compression enabled.  IIS rewrite can’t scan for links, anchors etc. in the response if the content is compressed.  But it would be great if it could somehow alert you why this is happening or perhaps inspect the site configuration and display a warning when you open the URL rewrite feature in IIS Admin.

OOPS

Looks like somebody posted their entire spam template to my site as a comment. Enjoy!

{
{I have|I’ve} been {surfing|browsing} online
more than {three|3|2|4} hours today, yet
I never found any interesting article like yours. {It’s|It is}
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owners} and bloggers made good content as you
did, the {internet|net|web} will be {much more|a lot more} useful than ever before.|
I {couldn’t|could not} {resist|refrain from} commenting.
{Very well|Perfectly|Well|Exceptionally well} written!|
{I will|I’ll} {right away|immediately} {take hold of|grab|clutch|grasp|seize|snatch}
your {rss|rss feed} as I {can not|can’t} {in finding|find|to
find} your {email|e-mail} subscription {link|hyperlink} or {newsletter|e-newsletter} service.
Do {you have|you’ve} any? {Please|Kindly} {allow|permit|let} me {realize|recognize|understand|recognise|know} {so that|in order
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{It is|It’s} {appropriate|perfect|the best} time
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{I have|I’ve} read this post and if I could I {want to|wish to|desire to} suggest you
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{Perhaps|Maybe} you {could|can} write next articles referring to this article.
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{In my opinion|Personally|In my view}, if all {webmasters|site owners|website owners|web owners} and bloggers made {just right|good|excellent} {content|content
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Ahaa, its {nice|pleasant|good|fastidious} {discussion|conversation|dialogue} {regarding|concerning|about|on the topic of} this {article|post|piece of writing|paragraph} {here|at this place} at this {blog|weblog|webpage|website|web site},
I have read all that, so {now|at this time} me also commenting {here|at
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new {blog|weblog|webpage|website|web site}.|
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her.|
{Saved as a favorite|bookmarked!!}, {I really like|I like|I love} {your
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{I will|I am going to|I’m going to|I may} {come
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{bookmarked|book marked|book-marked|saved as a favorite}
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It’s simple, yet effective. A lot of times it’s {very hard|very difficult|challenging|tough|difficult|hard} to get
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{In addition|Additionally|Also}, the blog loads {very|extremely|super} {fast|quick} for me
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You have touched some {nice|pleasant|good|fastidious} {points|factors|things} here.

Any way keep up wrinting.|
{I love|I really like|I enjoy|I like|Everyone loves} what you guys {are|are usually|tend to be} up too.
{This sort of|This type of|Such|This kind of} clever work and {exposure|coverage|reporting}!
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I’ve {incorporated||added|included} you guys to {|my|our||my personal|my own} blogroll.|
{Howdy|Hi there|Hey there|Hi|Hello|Hey}! Someone in my {Myspace|Facebook} group
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{I love|I really like|I enjoy|I like|Everyone loves} what
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blogroll.|
{Howdy|Hi there|Hey there|Hi|Hello|Hey} would you mind {stating|sharing} which blog platform you’re {working with|using}?

I’m {looking|planning|going} to start my own blog {in the near
future|soon} but I’m having a {tough|difficult|hard} time {making a decision|selecting|choosing|deciding} between BlogEngine/Wordpress/B2evolution and Drupal.
The reason I ask is because your {design and style|design|layout} seems different then most blogs and I’m looking for something {completely unique|unique}.
P.S {My apologies|Apologies|Sorry} for {getting|being}
off-topic but I had to ask!|
{Howdy|Hi there|Hi|Hey there|Hello|Hey} would you mind letting me know which
{webhost|hosting company|web host} you’re {utilizing|working with|using}?
I’ve loaded your blog in 3 {completely different|different} {internet browsers|web
browsers|browsers} and I must say this blog loads a lot {quicker|faster}
then most. Can you {suggest|recommend} a good {internet hosting|web hosting|hosting} provider at a {honest|reasonable|fair} price?
{Thanks a lot|Kudos|Cheers|Thank you|Many thanks|Thanks}, I
appreciate it!|
{I love|I really like|I like|Everyone loves} it {when people|when individuals|when folks|whenever people} {come together|get
together} and share {opinions|thoughts|views|ideas}.

Great {blog|website|site}, {keep it up|continue the good work|stick with it}!|
Thank you for the {auspicious|good} writeup. It in fact was a amusement account it.
Look advanced to {far|more} added agreeable from you!

{By the way|However}, how {can|could} we communicate?|
{Howdy|Hi there|Hey there|Hello|Hey} just wanted to give you a quick heads up.
The {text|words} in your {content|post|article} seem to be running off
the screen in {Ie|Internet explorer|Chrome|Firefox|Safari|Opera}.

I’m not sure if this is a {format|formatting} issue or something to do
with {web browser|internet browser|browser} compatibility but I {thought|figured} I’d post to let you know.
The {style and design|design and style|layout|design} look great though!
Hope you get the {problem|issue} {solved|resolved|fixed} soon. {Kudos|Cheers|Many thanks|Thanks}|
This is a topic {that is|that’s|which is} {close to|near to} my heart…
{Cheers|Many thanks|Best wishes|Take care|Thank you}!
{Where|Exactly where} are your contact details though?|
It’s very {easy|simple|trouble-free|straightforward|effortless} to find out any {topic|matter} on {net|web} as compared to {books|textbooks}, as I found this {article|post|piece of writing|paragraph}
at this {website|web site|site|web page}.|
Does your {site|website|blog} have a contact page? I’m having {a tough
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I’ve got some {creative ideas|recommendations|suggestions|ideas} for your blog you might be interested in hearing.
Either way, great {site|website|blog} and I look forward to seeing it {develop|improve|expand|grow} over time.|
{Hola|Hey there|Hi|Hello|Greetings}! I’ve been {following|reading} your {site|web site|website|weblog|blog} for {a long time|a while|some time} now
and finally got the {bravery|courage} to go ahead and give you a shout out from {New Caney|Kingwood|Huffman|Porter|Houston|Dallas|Austin|Lubbock|Humble|Atascocita} {Tx|Texas}!
Just wanted to {tell you|mention|say} keep up the {fantastic|excellent|great|good} {job|work}!|
Greetings from {Idaho|Carolina|Ohio|Colorado|Florida|Los angeles|California}!
I’m {bored to tears|bored to death|bored} at work so I decided to {check
out|browse} your {site|website|blog} on my iphone during lunch break.
I {enjoy|really like|love} the {knowledge|info|information} you {present|provide} here and
can’t wait to take a look when I get home. I’m {shocked|amazed|surprised} at how {quick|fast} your blog loaded on my {mobile|cell phone|phone}
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{so much|a lot} {approximately|about} this, {like you|such as you} wrote the {book|e-book|guide|ebook|e book} in it
or something. {I think|I feel|I believe} {that you|that you simply|that you just} {could|can} do with {some|a few} {%|p.c.|percent}
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{A great|An excellent|A fantastic} read. {I’ll|I will} {definitely|certainly} be back.|
I visited {multiple|many|several|various} {websites|sites|web
sites|web pages|blogs} {but|except|however} the audio {quality|feature} for audio
songs {current|present|existing} at this {website|web site|site|web page} is {really|actually|in fact|truly|genuinely} {marvelous|wonderful|excellent|fabulous|superb}.|
{Howdy|Hi there|Hi|Hello}, i read your blog {occasionally|from time to time} and i own a similar one and
i was just {wondering|curious} if you get a lot of spam {comments|responses|feedback|remarks}?

If so how do you {prevent|reduce|stop|protect against} it, any plugin or anything you can {advise|suggest|recommend}?

I get so much lately it’s driving me {mad|insane|crazy}
so any {assistance|help|support} is very much
appreciated.|
Greetings! {Very helpful|Very useful} advice {within this|in this particular} {article|post}!
{It is the|It’s the} little changes {that make|which will
make|that produce|that will make} {the biggest|the largest|the greatest|the most
important|the most significant} changes. {Thanks a lot|Thanks|Many thanks} for
sharing!|
{I really|I truly|I seriously|I absolutely} love {your blog|your site|your website}..
{Very nice|Excellent|Pleasant|Great} colors & theme.
Did you {create|develop|make|build} {this website|this site|this web site|this amazing
site} yourself? Please reply back as I’m {looking to|trying to|planning to|wanting to|hoping to|attempting to} create {my own|my very own|my own personal} {blog|website|site} and {would like to|want to|would love to} {know|learn|find out}
where you got this from or {what the|exactly what the|just what the} theme {is called|is named}.
{Thanks|Many thanks|Thank you|Cheers|Appreciate it|Kudos}!|
{Hi there|Hello there|Howdy}! This {post|article|blog post} {couldn’t|could not} be written {any better|much better}!
{Reading through|Looking at|Going through|Looking through} this {post|article} reminds me
of my previous roommate! He {always|constantly|continually} kept {talking about|preaching about} this.
{I will|I’ll|I am going to|I most certainly will} {forward|send} {this article|this
information|this post} to him. {Pretty sure|Fairly certain} {he will|he’ll|he’s going to} {have a good|have a very
good|have a great} read. {Thank you for|Thanks for|Many thanks
for|I appreciate you for} sharing!|
{Wow|Whoa|Incredible|Amazing}! This blog looks {exactly|just} like my
old one! It’s on a {completely|entirely|totally} different
{topic|subject} but it has pretty much the same {layout|page layout} and design. {Excellent|Wonderful|Great|Outstanding|Superb} choice
of colors!|
{There is|There’s} {definately|certainly} {a lot to|a great deal to} {know
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{I like|I love|I really like} {all the|all of the} points {you made|you’ve made|you have made}.|
{You made|You’ve made|You have made} some {decent|good|really good} points there.
I {looked|checked} {on the internet|on the web|on the net} {for more info|for more information|to find out more|to learn more|for additional information} about the issue and found {most individuals|most
people} will go along with your views on {this website|this site|this web site}.|
{Hi|Hello|Hi there|What’s up}, I {log on to|check|read} your {new stuff|blogs|blog} {regularly|like every week|daily|on a
regular basis}. Your {story-telling|writing|humoristic} style is {awesome|witty}, keep {doing what
you’re doing|up the good work|it up}!|
I {simply|just} {could not|couldn’t} {leave|depart|go away} your {site|web
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cross-check} new posts|
{I wanted|I needed|I want to|I need to} to thank you for this {great|excellent|fantastic|wonderful|good|very good} read!!

I {definitely|certainly|absolutely} {enjoyed|loved} every {little bit of|bit of} it.
{I have|I’ve got|I have got} you {bookmarked|book marked|book-marked|saved as a favorite}
{to check out|to look at} new {stuff you|things you} post…|
{Hi|Hello|Hi there|What’s up}, just wanted to {mention|say|tell you}, I {enjoyed|liked|loved} this
{article|post|blog post}. It was {inspiring|funny|practical|helpful}.

Keep on posting!|
{Hi there|Hello}, I enjoy reading {all of|through} your {article|post|article post}.
I {like|wanted} to write a little comment to support you.|
I {always|constantly|every time} spent my half an hour to read this
{blog|weblog|webpage|website|web site}’s {articles|posts|articles
or reviews|content} {everyday|daily|every day|all the time} along with a {cup|mug} of coffee.|
I {always|for all time|all the time|constantly|every time} emailed this
{blog|weblog|webpage|website|web site} post page to all my {friends|associates|contacts},
{because|since|as|for the reason that} if like to read it {then|after that|next|afterward} my
{friends|links|contacts} will too.|
My {coder|programmer|developer} is trying to {persuade|convince} me to move to .net from PHP.
I have always disliked the idea because of the {expenses|costs}.
But he’s tryiong none the less. I’ve been using {Movable-type|WordPress} on {a number
of|a variety of|numerous|several|various} websites for about a year and am {nervous|anxious|worried|concerned} about switching to another platform.
I have heard {fantastic|very good|excellent|great|good} things about blogengine.net.

Is there a way I can {transfer|import} all my wordpress {content|posts} into it?

{Any kind of|Any} help would be {really|greatly} appreciated!|
{Hello|Hi|Hello there|Hi there|Howdy|Good day}!
I could have sworn I’ve {been to|visited} {this blog|this web site|this website|this site|your blog} before
but after {browsing through|going through|looking at} {some
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{Anyways|Anyhow|Nonetheless|Regardless}, I’m {definitely|certainly} {happy|pleased|delighted} {I found|I discovered|I came across|I stumbled
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{Terrific|Great|Wonderful} {article|work}! {This is|That is} {the type of|the kind of} {information|info} {that are meant to|that are supposed to|that should}
be shared {around the|across the} {web|internet|net}.
{Disgrace|Shame} on {the {seek|search} engines|Google}
for {now not|not|no longer} positioning this {post|submit|publish|put up} {upper|higher}!

Come on over and {talk over with|discuss with|seek advice from|visit|consult with} my {site|web site|website} .

{Thank you|Thanks} =)|
Heya {i’m|i am} for the first time here. I {came across|found} this board and
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I hope to give something back and {help|aid} others like you {helped|aided} me.|
{Hi|Hello|Hi there|Hello there|Howdy|Greetings}, {I think|I believe|I do believe|I do think|There’s no doubt that} {your site|your website|your
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{When I|Whenever I} {look at your|take a look at your} {website|web site|site|blog} in Safari, it looks fine {but when|however when|however, if|however, when} opening
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{I just|I simply|I merely} wanted to {give
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{A person|Someone|Somebody} {necessarily|essentially} {lend a hand|help|assist} to make {seriously|critically|significantly|severely} {articles|posts} {I would|I might|I’d} state.
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{post|submit|publish|put up} {incredible|amazing|extraordinary}.

{Great|Wonderful|Fantastic|Magnificent|Excellent} {task|process|activity|job}!|
Heya {i’m|i am} for {the primary|the first} time here.
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others {like you|such as you} {helped|aided} me.|
{Hello|Hi|Hello there|Hi there|Howdy|Good day|Hey there}!
{I just|I simply} {would like to|want to|wish to}
{give you a|offer you a} {huge|big} thumbs up {for the|for
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have got} {here|right here} on this post. {I will be|I’ll be|I am} {coming back to|returning to} {your blog|your site|your website|your web site} for more soon.|
I {always|all the time|every time} used to {read|study} {article|post|piece
of writing|paragraph} in news papers but now as I am
a user of {internet|web|net} {so|thus|therefore}
from now I am using net for {articles|posts|articles
or reviews|content}, thanks to web.|
Your {way|method|means|mode} of {describing|explaining|telling} {everything|all|the whole thing} in this {article|post|piece
of writing|paragraph} is {really|actually|in fact|truly|genuinely} {nice|pleasant|good|fastidious}, {all|every one} {can|be able to|be capable of} {easily|without difficulty|effortlessly|simply} {understand|know|be aware of} it,
Thanks a lot.|
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of|alert to} your {blog|weblog} {thru|through|via} Google, {and found|and located} that {it is|it’s}
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be|might be|will probably be|can be|will likely be} benefited {from your|out
of your} writing. Cheers!|
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be|you are|you’re} {working with|utilizing|using}?

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and {I would|I’d} like to find something more
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also|as well as} with the layout on your {blog|weblog}.
Is this a paid theme or did you {customize|modify} it yourself?

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one {these days|nowadays|today}.|
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{for your|on your|in your|to your} {blog|weblog}.

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you {customize|modify} it {yourself|your self}?
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this one {these days|nowadays|today}..|
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TYPESCRIPT CONVERSION A MONTH LATER

I’d like to report that the port of my project to TypeScript has been a success, so far the issues encountered have been minimal.  One issue I did bump into recently was due to a typo on my part.  I had used a variable in a small method as both a string and number at different points, like so

var x = parseInt(somestring);

...

x = x.toString();

During the conversion to TypeScript, I resolved the type errors caused by this by creating a string and a numeric variable like so

var xn : number = parseInt(somestring);

...

var xs:string = xs.toString();

but notice the typo, I did xs.toString() and assigned it to xs itself, not xn.toString().  This does not cause any compilation errors in TypeScript, but the code is essentially a guaranteed null reference error at run-time.  In my case it was a month before the little used method was executed.

DEBUGGING BOOKS 2

So I slacked off a little on my reading Pro AngularJS and also detoured a bit into reading up on Bootstrap since I am relatively inexperienced with it and the book more or less assumes you know it (or will at least ignore it 🙂 ).

I started reading through Chapter 7 and encountered some issues with the following code:

angular.module(&quot;sportsStore&quot;)
    .constant(&quot;dataUrl&quot;, &quot;http://localhost:5500/products&quot;)
    .controller(&quot;sportsStoreCtrl&quot;, function ($scope, $http, dataUrl) {

        $scope.data = {};

        $http.get(dataUrl)
            .success(function (data) {
                $scope.data.products = data;
            })
            .error(function (error) {
                $scope.data.error = error;
            });
    });

In the section “Handling Ajax Errors” the author states “The object passed to the error function defines status and message properties.”.  Actually this is not the case, the error function should have the signature

.error(function (data, status, headers, config) {

Also, the first parameter is not an error object, it is the response data. For example in the case of a 404 error it would be the returned HTML 404 page.

The following code should make the example work


            .error(function (data, status, headers, config) {
                $scope.data.error = {};
                $scope.data.error.data = data;
                $scope.data.error.status = status;
            });

Secondly to test the error handling and achieve a 404 error, the author states in a tip to change the URL to something like ‘http://localhost:5500/doesNotExist’. This will most likely not work , as the site is running under nodejs on port 5000, and Deployd is hosting under port 5500, the browser will see this as a CORS request and most likely not return any error information, similar to the angular issue described in the link below. If you want to get a 404 error change the URL to a non-existent relative URL something like ‘/doesNotExist’, this will be relative to the site URL and be a non-CORS request.

CORS Error Response Status = 0

https://github.com/angular/angular.js/issues/2798

Exception has been thrown by the target of an invocation

I tried creating a new, empty ASP.NET Web Application in Visual Studio 2013, with MVC support and got the exception “Exception has been thrown by the target of an invocation” repeatedly.  It always seemed to create the App_Data folder and not much else. Long story short,  after some googling,  I installed SQL Server Express 2012, made sure it was running and then started VS2013.  After that I can create the above project with no error. From this experience, I’d recommend selecting the SQL Express option when installing Visual Studio, even if you don’t plan on using a local database server.

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