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Optimizing away a “while(1);” in C++0x
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Does someone have a good explanation of why this was necessary to allow?
Yes, Hans Boehm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++...
How to create index on JSON field in Postgres?
...ents, the subtle difference here is ->> instead of ->. The former one returns the value as text, the latter as a JSON object.
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Can we define implicit conversions of enums in c#?
...d below.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Resources;
namespace Ethica
{
using Reflection;
using Text;
[DebuggerDisplay("{Value} ({Name})")]
public abstrac...
Import package.* vs import package.SpecificType [duplicate]
...ference regarding overhead to write an import loading all the types within one package ( import java.* ); than just a specific type (i.e. import java.lang.ClassLoader )? Would the second one be a more advisable way to use than the other one?
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How to create a jQuery plugin with methods?
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@DiH, I'm with you on this one. This approach seems great, but it doesn't give you access to your global settings from anywhere other than init.
– Stephen Collins
Apr 3 '14 at 19:24
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How do I “decompile” Java class files? [closed]
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In case one installed the Eclipse java decompiler plugin on Eclipse Juno, and Eclipse started hanging on Marketplace DND Initialization forcing to kill the whole process: removing the jd.*.jar from Eclipse plugins directory just fixe...
How to obtain Signing certificate fingerprint (SHA1) for OAuth 2.0 on Android?
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Is there a way to create a new one using this method? I tried to do this, but my old keystore file is there, but I think it's the wrong one (I need a debug certificate, not a release one), plus I forgot the password. >_< Thanks if you have a tip.
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Regex Pattern to Match, Excluding when… / Except between
...ontexts is a special challenge.
Surprise
Surprisingly, there is at least one efficient solution that is general, easy to implement and a pleasure to maintain. It works with all regex flavors that allow you to inspect capture groups in your code. And it happens to answer a number of common question...
Showing line numbers in IPython/Jupyter Notebooks
...wer was not accepted (maybe posted too late?), because this is the correct one if you don't use CodeMirror but just IPython Notebook. EDIT: in fact IPython Notebook uses CodeMirror. So both answers are correct. Learned something new today, thanks!
– gaborous
Oc...
How can I format a String number to have commas and round?
...nstead).
You also need to convert that string into a number, this can be done with:
double amount = Double.parseDouble(number);
Code sample:
String number = "1000500000.574";
double amount = Double.parseDouble(number);
DecimalFormat formatter = new DecimalFormat("#,###.00");
System.out.println...