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Getting an object from an NSSet
...embership, use anyObject to get a member (not random), or convert it to an array (in no particular order) with allObjects.
A set is appropriate when you don't want duplicates, don't care about order, and want fast membership testing.
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Count the number of occurrences of a character in a string in Javascript
...thus the || []
The original answer I made in 2009 is below. It creates an array unnecessarily, but using a split is faster (as of September 2014). I'm ambivalent, if I really needed the speed there would be no question that I would use a split, but I would prefer to use match.
Old answer (from 200...
Convert from enum ordinal to enum type
...portTypeEnum value = ReportTypeEnum.values()[ordinal];
Please notice the array bounds.
Note that every call to values() returns a newly cloned array which might impact performance in a negative way. You may want to cache the array if it's going to be called often.
Code examp...
Are there any worse sorting algorithms than Bogosort (a.k.a Monkey Sort)? [closed]
...lds because it is the world that is, and so in the best possible world the array would already be sorted!"
– echochamber
Jun 12 '14 at 17:17
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AngularJS HTTP post to PHP and undefined
...-serialized data, you might be working wth objects, or numerically-indexed arrays. I wouldn't suggest adding a numerically-Indexed array to $_POST, as this would be an atypical use. I also generally shy away from putting data into any of the superglobals that are used for input data.
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Create a string with n characters
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btw Array.fill() just loops through the array. /me need definitively more points to comment on others posts :)
– kalkin
May 10 '10 at 17:38
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Fastest way to flatten / un-flatten nested JSON objects
...tten = function(data) {
"use strict";
if (Object(data) !== data || Array.isArray(data))
return data;
var regex = /\.?([^.\[\]]+)|\[(\d+)\]/g,
resultholder = {};
for (var p in data) {
var cur = resultholder,
prop = "",
m;
while (...
How to shorten my conditional statements
...
Put your values into an array, and check if your item is in the array:
if ([1, 2, 3, 4].includes(test.type)) {
// Do something
}
If a browser you support doesn't have the Array#includes method, you can use this polyfill.
Short explanation ...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ILE *fp = fopen("test.txt", "r");
// 把指针移动到文件的结尾，使用ftell获取文件长度
fseek(fp, 0 ,SEEK_END);
int len = ftell(fp);
// 定义数组长度
char *pBuf = new char[len + 1];
// 把指针移动到文件开头，因为我们一开始把指针移动到了结尾...
How do I convert struct System.Byte byte[] to a System.IO.Stream object in C#?
...
The easiest way to convert a byte array to a stream is using the MemoryStream class:
Stream stream = new MemoryStream(byteArray);
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