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What's the difference between passing by reference vs. passing by value?
...iven to you, and so now it is effectively your piece of paper. You are now free to scribble on that piece of paper, or use that piece of paper to find something somewhere else and fiddle with it, whatever.
Call by reference is when I give you my notebook which has something written down in it. You m...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
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@KeithThompson : Incorrect info.. You can pass options to the underlying interpreter using /usr/bin/env!
– Gaurav Agarwal
May 30 '14 at 9:23
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How to declare global variables in Android?
...plication context.
As you know, each Activity is also a Context, which is information about its execution environment in the broadest sense. Your application also has a context, and Android guarantees that it will exist as a single instance across your application.
The way to do this is to create ...
How to read a (static) file from inside a Python package?
...ources-example
See https://github.com/wimglenn/resources-example for more info.
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How to elegantly deal with timezones
...g of a paradigm, but the most agressive way I've seen of handling timezone information in a web app (which is not exclusive to ASP.NET MVC) was the following:
All date times on the server are UTC.
That means using, like you said, DateTime.UtcNow.
Try to trust the client passing dates to the server...
REST vs JSON-RPC? [closed]
...er hand in REST style it's very easy to guide clients by including control information in representations(HTTP headers + representation). For example:
It's possible (and actually mandatory) to embed links annotated with link relation types which convey meanings of these URIs;
Client implementation...
Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
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This is a super interesting piece of information! Looks like it's true; but I couldn' find any official documentation supporting this fact. We also need to know which versions of PHP support this lazy copy concept. Anyone has more info?
– M...
How can you encode a string to Base64 in JavaScript?
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From here:
/**
*
* Base64 encode / decode
* http://www.webtoolkit.info/
*
**/
var Base64 = {
// private property
_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
// public method for encoding
encode : function (input) {
var output = "";
var chr1, chr2...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
....txt文件之后:
[root@KEDACOM temp]# cat file >> file.txt
将new.txt和info.txt合并成readme.txt文件:
[root@KEDACOM temp]# cat file file.txt > readme.txt
>> 表示在文件末尾追加内容 > 表示直接覆盖原文件内容
2.创建、编辑文本操作的touch、vi命令
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What new capabilities do user-defined literals add to C++?
...t, it is the summary of the paragraph they are in. People wanting only the info without justification can limit their reading on the titles and bold text.
– paercebal
Oct 30 '08 at 21:40
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