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When to use RSpec let()?
...nd keeping my it block nice and short.
A related link can be found here: http://www.betterspecs.org/#let
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Generating PDF files with JavaScript
...)
doc.text('Hello world!', 10, 10)
doc.save('a4.pdf')
<script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.5/jspdf.debug.js"></script>
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Drawing text to with @font-face does not work at the first time
...ent('link');
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = 'http://fonts.googleapis.com/css?family=Vast+Shadow';
document.getElementsByTagName('head')[0].appendChild(link);
// Trick from https://stackoverflow.com/questions/2635814/
var image = new Image();
image.src = link.href;
imag...
What is the use of static constructors?
...{
static string urlFragment = "foo/bar";
static string firstPart= "http://www.example.com/";
static string fullUrl= firstPart + urlFragment;
}
When you access fullUr, it will be "http://www.example.com/foo/bar".
Months later you're cleaning up your code and alphabetize the fields (let...
How Can I Download a File from EC2 [closed]
...ere on how to access your instance with ssh if you haven't done already:
http://docs.aws.amazon.com/gettingstarted/latest/computebasics-linux/getting-started-deploy-app-connect-linux.html
When you are able to ssh as in the above doc, you will be able to use scp to copy the file.
Another option ...
Read url to string in few lines of java code
...s accepted, there's a better approach:
String out = new Scanner(new URL("http://www.google.com").openStream(), "UTF-8").useDelimiter("\\A").next();
If you want a slightly fuller implementation, which is not a single line, do this:
public static String readStringFromURL(String requestURL) throws...
How to delete images from a private docker registry?
...Step 1: Listing catalogs
You can list your catalogs by calling this url:
http://YourPrivateRegistyIP:5000/v2/_catalog
Response will be in the following format:
{
"repositories": [
<name>,
...
]
}
Step 2: Listing tags for related catalog
You can list tags of your catalog by ...
Frame Buster Buster … buster code needed
...e-Options: deny directive, which works even when script is disabled.
IE8:
http://blogs.msdn.com/ie/archive/2009/01/27/ie8-security-part-vii-clickjacking-defenses.aspx
Firefox (3.6.9)
https://bugzilla.mozilla.org/show_bug.cgi?id=475530
https://developer.mozilla.org/en/The_X-FRAME-OPTIONS_response_h...
Importing data from a JSON file into R
..., and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf .
...
WebSockets protocol vs HTTP
There are many blogs and discussions about websocket and HTTP, and many developers and sites strongly advocate websockets, but i still can not understand why.
...