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Is it possible to make the -init method private in Objective-C?
...release" method of creating singletons. It's virtually always unnecessary and is just adding complication for no real significant advantage.
Instead, just write your code such that your +sharedWhatever method is how you access a singleton, and document that as the way to get the singleton instance...
Use underscore inside Angular controllers
...
When you include Underscore, it attaches itself to the window object, and so is available globally.
So you can use it from Angular code as-is.
You can also wrap it up in a service or a factory, if you'd like it to be injected:
var underscore = angular.module('underscore', []);
underscore.fac...
node.js require all files in a folder?
...l look for an index.js file in that folder; if there is one, it uses that, and if there isn't, it fails.
It would probably make most sense (if you have control over the folder) to create an index.js file and then assign all the "modules" and then simply require that.
yourfile.js
var routes = requ...
Replace multiple characters in one replace call
Very simple little question, but I don't quite understand how to do it.
14 Answers
14...
How to drop column with constraint?
...ect_id
WHERE
dc.parent_object_id = OBJECT_ID('tbloffers')
AND c.name = N'checkin'
IF @@ROWCOUNT = 0 BREAK
EXEC (@sql)
END
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SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...ff call ntdll32!_SEH_prolog4 (772ddd24)
772e9d27 8365fc00 and dword ptr [ebp-4],0
772e9d2b a124423b77 mov eax,dword ptr [ntdll32!Kernel32ThreadInitThunkFunction (773b4224)]
772e9d30 ff750c push dword ptr [ebp+0Ch]
772e9d33 85c0 test eax,e...
What's the bad magic number error?
What's the "Bad magic number" ImportError in python, and how do I fix it?
15 Answers
1...
(this == null) in C#!
...spec (section 7.5.7), you shouldn't be able to access this in that context and the ability to do so in C# 3.0 compiler is a bug. C# 4.0 compiler is behaving correctly according to the spec (even in Beta 1, this is a compile time error):
§ 7.5.7 This access
A this-access consists of the res...
In-memory size of a Python structure
Is there a reference for the memory size of Python data stucture on 32- and 64-bit platforms?
7 Answers
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Why does base64 encoding require padding if the input length is not divisible by 3?
...ally it seems you can't, for example the implementations in javascript and php don't support this. Starting with a concatenated string, you either have to decode 4 bytes at a time or split the string after padding characters. It seems like those implementations just ignore the padding chars, even wh...