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Allow CORS REST request to a Express/Node.js application on Heroku
...en a REST API on the express framework for node.js that works for requests from the js console in Chrome, and URL bar, etc. I'm now trying to get it working for requests from another app, on a different domain (CORS).
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Why is exception.printStackTrace() considered bad practice?
...discards all data written to it, as is the case of /dev/null.
Inferring from the above, invoking Throwable.printStackTrace() constitutes valid (not good/great) exception handling behavior, only
if you do not have System.err being reassigned throughout the duration of the application's lifetime,...
How do I verify a method was called exactly once with Moq?
...aximum.
Between - Specifies that a mocked method should be invoked between from and to times.
Exactly - Specifies that a mocked method should be invoked exactly times times.
Never - Specifies that a mocked method should not be invoked.
Once - Specifies that a mocked method should be invoked exactly ...
Dynamically replace the contents of a C# method?
...e trampoline of the original method that points to the assembler generated from compiling the dynamic method. This works for 32/64Bit on Windows, macOS and any Linux that Mono supports.
Documentation can be found here.
Example
(Source)
Original Code
public class SomeGameClass
{
private bool...
Do rails rake tasks provide access to ActiveRecord models?
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All your rails models etc. will be available for the current environment from within each task block, unless you're using the production environment, in which case you need to require the specific models you want to use. Do this within the body of the task. (IIRC this varies between different ver...
Find when a file was deleted in Git
...his works and I lack the grit and courage required to try to figure it out from the source code, but the git-log docs have this much to say:
Default mode
Simplifies the history to the simplest history explaining the final state of the tree. Simplest because it prunes some side branches if t...
Regular Expression: Any character that is NOT a letter or number
...ng str.replace(/[^\w]/);
It will replace all the non-alphabets and numbers from your string!
Edit 1: str.replace(/[^\w]/g, ' ')
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What is q=0.5 in Accept* HTTP headers?
... what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4:
Each language-range MAY be given an associated quality value which represents an estimate of the user's preference for the languages specified by that range. The quality value default...
GOTO still considered harmful? [closed]
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GOTO can make 'jump'ing from one arbitrary spot to another arbitrary spot. Velociraptor jumped to here from nowhere!
– rpattabi
Jul 10 '10 at 18:29
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Detect Safari using jQuery
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The following identifies Safari 3.0+ and distinguishes it from Chrome:
isSafari = !!navigator.userAgent.match(/Version\/[\d\.]+.*Safari/)
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