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memory_get_peak_usage() with “real usage”
If the real_usage argument is set to true the PHP DOCS say it will get the real size of memory allocated from system. If it's false it will get the memory reported by emalloc()
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Throwing exceptions from constructors
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Yes, throwing an exception from the failed constructor is the standard way of doing this. Read this FAQ about Handling a constructor that fails for more information. Having a init() method will also work, but everybody who creates the object of mutex has to remember that init() h...
Does the join order matter in SQL?
Disregarding performance, will I get the same result from query A and B below? How about C and D?
4 Answers
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git: Your branch is ahead by X commits
How does this actually come about?
18 Answers
18
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How can I generate random alphanumeric strings?
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I heard LINQ is the new black, so here's my attempt using LINQ:
private static Random random = new Random();
public static string RandomString(int length)
{
const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
return new ...
This app won't run unless you update Google Play Services (via Bazaar)
I'm testing out the new Google Maps API V2 for Android, and I'm getting this message when the app launches:
12 Answers
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Can IntelliJ IDEA encapsulate all of the functionality of WebStorm and PHPStorm through plugins? [cl
...products such as Web/PhpStorm, RubyMine and PyCharm.
The specific feature missing from IntelliJ IDEA is simplified project creation ("Open Directory") used in lighter products as it is not applicable to the IDE that support such a wide range of languages and technologies. It also means that you can'...
How to check an Android device is HDPI screen or MDPI screen?
I want to check this to fetch different images by internet. How to do that?
6 Answers
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Environment variables in Mac OS X
... to set the path or variable in two places (one for GUI and one for shell) is lame.
9 Answers
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Parse JSON String into a Particular Object Prototype in JavaScript
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The current answers contain a lot of hand-rolled or library code. This is not necessary.
Use JSON.parse('{"a":1}') to create a plain object.
Use one of the standardized functions to set the prototype:
Object.assign(new Foo, { a: 1 })
Object.setPrototypeOf({ a: 1 }, Foo.prototype)
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