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Diff output from two programs without temporary files
... use >(command) if you want to pipe something into a command.
This is called "Process Substitution" in Bash's man page.
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What is “callback hell” and how and why does RX solve it?
... clear definition together with a simple example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
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In Visual Studio C++, what are the memory allocation representations?
In Visual Studio, we've all had "baadf00d", have seen seen "CC" and "CD" when inspecting variables in the debugger in C++ during run-time.
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Javascript: Extend a Function
...ook like this:
function init(){
doSomething();
}
//anytime later
var old_init = init;
init = function() {
old_init.apply(this, arguments);
doSomethingHereToo();
};
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How to prepend a string to a column value in MySQL?
I need a SQL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value.
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Golang production web application configuration
... timeout server 50000
frontend http
bind :80
acl is_stats hdr(host) -i hastats.myapp.com
use_backend stats if is_stats
default_backend myapp
capture request header Host len 20
capture request h...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
... = new Uint32Array(b.buffer, b.byteOffset, b.byteLength / Uint32Array.BYTES_PER_ELEMENT);
No dependencies, moderate speed, any version of Node.js
Use Martin Thomson's answer, which runs in O(n) time. (See also my replies to comments on his answer about non-optimizations. Using a DataView is slo...
The best way to remove duplicate values from NSMutableArray in Objective-C?
...etWithArray:array]; You can then get back an array via array = [orderedSet allObjects]; or just use NSOrderedSets instead of NSArray in the first place.
– Regexident
May 14 '13 at 9:40
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How to get current path with query string using Capybara
The page url is something like /people?search=name
while I used current_path method of capybara it returned /people only.
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App Inventor 2 网络微数据库后台搭建教程 - 自建TinyWebDB服务 · App Inventor 2 中文网
... App ──网络──▶ 你的电脑 / 云服务器（运行 tinywebdb_server.py）──▶ 数据文件
本文提供的服务端程序只有一个 Python 文件，不需要安装数据库，也不需要 pip 安装任何东西。照着步骤做，第一次大约 20 分钟。
先确认网络...