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In C#, what happens when you call an extension method on a null object?
... referring to the difference between call and callvirt il instructions. In one edit I actually tried to href the two Opcodes pages, but the editor barfed at the links...
– Marc Gravell♦
May 11 '09 at 9:48
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Best way to create custom config options for my Rails app?
I need to create one config option for my Rails application. It can be the same for all environments. I found that if I set it in environment.rb , it's available in my views, which is exactly what I want...
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How do you find all subclasses of a given class in Java?
How does one go about and try to find all subclasses of a given class (or all implementors of a given interface) in Java?
As of now, I have a method to do this, but I find it quite inefficient (to say the least).
The method is:
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Sort array of objects by string property value
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This is great solution but have one problem if you compare numbers. Please add this before check: if( !isNaN(a[property]) ) a[property] = Number(a[property]); if( !isNaN(b[property]) ) b[property] = Number(b[property]);
– Ivijan Stefan...
Linux equivalent of the Mac OS X “open” command [closed]
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@MestreLion Although one could make the case that the complaint is trivial, since alias open='xdg-open &>/dev/null' yields approximately the desired behavior (although errors from xdg-open itself (as opposed to just the launched program) w...
How do I create and read a value from cookie?
...f your cookie value contains anything that doesn't encode/decode well. The one at w3schools seems to work beautifly
– Richard Rout
May 20 '13 at 2:07
13
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C# static class constructor
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@Jonesy Just a note stating that a public class has as a private static initializer.
– Barton
Sep 23 '14 at 17:23
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How does the “this” keyword work?
...eter updates the ThisBinding whenever establishing an execution context in one of only three different cases:
1. Initial global execution context
This is the case for JavaScript code that is evaluated at the top-level, e.g. when directly inside a <script>:
<script>
alert("I'm evaluated...
How do I auto-reload a Chrome extension I'm developing?
...e livereload, but with an anoying chrome window opening each time I modify one of the specified plugin files :P. Thanks!
– GabLeRoux
Jul 15 '13 at 19:20
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Check if a program exists from a Makefile
...r a lot of extra typing as well as processing time when you make more than one target at a time.
The solution provided by 0xf can test for an executable without making a target. That saves a lot of typing and execution time when there are multiple targets that can be built either separately or toge...