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Why is there no logical xor in JavaScript?
...ainly because it's not useful. Bitwise XOR is extremely useful, but in all my years of programming I have never needed a logical XOR.
If you have two boolean variables you can mimic XOR with:
if (a != b)
With two arbitrary variables you could use ! to coerce them to boolean values and then use t...
Why does C# forbid generic attribute types?
...mation either, although it does provide an example of what's not allowed.
My copy of the annotated C# 3 spec should arrive tomorrow... I'll see if that gives any more information. Anyway, it's definitely a language decision rather than a runtime one.
EDIT: Answer from Eric Lippert (paraphrased): n...
Why would I prefer using vector to deque
... double-ended vector.) I have written an implementation linked to below in my answer. It can be as fast as a vector but much more widely applicable (e.g., when making a fast queue).
– user541686
Aug 26 '13 at 9:04
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inline conditionals in angular.js
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Angular 1.1.5 added support for ternary operators:
{{myVar === "two" ? "it's true" : "it's false"}}
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In Python, how do I determine if an object is iterable?
...
I've been studying this problem quite a bit lately. Based on that my conclusion is that nowadays this is the best approach:
from collections.abc import Iterable # drop `.abc` with Python 2.7 or lower
def iterable(obj):
return isinstance(obj, Iterable)
The above has been recommende...
Simple proof that GUID is not unique [closed]
... Fees are payable at the end of each calendar month. Please contact me for my paypal account details at your earliest convenience.
using System;
using System.Collections.Generic;
using System.Linq;
namespace GuidCollisionDetector
{
class Program
{
static void Main(string[] args)
...
Android studio Gradle icon error, Manifest Merger
...h-docs/new-build-system/user-guide/manifest-merger
Solved it by adding to my manifest tag xmlns:tools="http://schemas.android.com/tools"
Then added tools:replace="android:icon,android:theme" to the application tag
This tells the merger to use my manifest icon and theme and not of other libraries ...
Is it possible to use JavaScript to change the meta-tags of the page?
... around the og:somestuff - I needed the content of the image tag, this was my code: var imgurl = $("meta[property='og:image']").attr("content");
– Daniel
Feb 13 '12 at 5:47
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Setting Access-Control-Allow-Origin in ASP.Net MVC - simplest possible method
...uests through a proxy. It's all 100% transparent (you just have to include my proxy and the script).
Download it using nuget corsproxy and follow the included instructions.
Blog post | Source code
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Bootstrap 3 Glyphicons are not working
...find any information about it except in the hidden comments on this page. My font files were loading just fine according to Chrome, but the icons weren't displaying properly. I'm making this an answer so it will hopefully help others.
Something was wrong with the font files that I downloaded from...