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What should my Objective-C singleton look like? [closed]
...really, truly, ONLY want a single instance of your class. Which you don't, esp. for unit tests.
– Chris Hanson
Sep 28 '08 at 9:35
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Can you use an alias in the WHERE clause in mysql?
...
Nice explanation, esp. the "but in a where clause... repeat.." part
– th3an0maly
Jan 17 '13 at 7:57
4
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Build Eclipse Java Project from Command Line
...h is after.
For a batch compilation, please refer to Compiling Java code, especially the section "Using the batch compiler"
The batch compiler class is located in the JDT Core plug-in. The name of the class is org.eclipse.jdt.compiler.batch.BatchCompiler. It is packaged into plugins/org.eclipse...
Iterate over the lines of a string
...ry fast ways; putting strings together by programming at a very low level (esp. by loops of += of very small pieces) can be quite slow.
Edit: added @Jacob's proposal, slightly modified to give the same results as the others (trailing blanks on a line are kept), i.e.:
from cStringIO import StringIO...
C# vs Java Enum (for those new to C#)
...tances of that class:
using System;
using System.Collections.Generic;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Planet planetEarth = Planet.MERCURY;
double earthRadius = pEarth.Radius; // Just threw it in to s...
Declaration/definition of variables locations in ObjectiveC?
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I can understand your confusion. Especially since recent updates to Xcode and the new LLVM compiler changed the way ivars and properties can be declared.
Before "modern" Objective-C (in "old" Obj-C 2.0) you didn't have a lot of choices. Instance variables u...
Placeholder in UITextView
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in some cases (esp. iOS 5 compatibility) it is required to override paste: - (void)paste:(id)sender { [super paste:sender]; [self textChanged:nil]; }
– Martin Ullrich
Jul 14 '11 at 15:32
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.NET JIT potential error?
...IT.
// save context
00000000 push ebp
00000001 mov ebp,esp
00000003 push edi
00000004 push esi
00000005 push ebx
// put oDoesSomething pointer in ebx
00000006 mov ebx,ecx
// zero out edi, this will store oVec.y
00000008 xor edi,...
How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af
...wer and oba's answer if they're seeing the same symptoms (Samsung devices (esp. Galaxy S 4), etc.)
– parkerfath
Mar 12 '15 at 23:38
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JRuby on Rails vs. Ruby on Rails, what's difference?
...this question, related to GIL.
The main difference you should care about esp. in web-applications such as ones built with Rails is true concurrency ("Global Interpreter Lock" free). When two threads are running (e.g. serving 2 user requests) with JRuby they are capable of running concurrently with...