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How to sort an array of integers correctly
...ay.sort((a,b)=>a.numProperty - b.numProperty); and if the property is a string you can do: objArray=objArray.sort((a,b)=>a.strProperty.localeCompare(b.strProperty)); That having been said, this question specifically asks about sorting an array of integers
– jjjjs
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Unsigned keyword in C++
...ng -> signed long
signed long
unsigned long
Be careful of char:
char (is signed or unsigned depending on the implmentation)
signed char
unsigned char
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How to check whether a script is running under Node.js?
...bpack, process and process.version exists within the bundle, so I added an extra check for process.version where process.release.node is undefined on client side but has a node version as a value on server side
– Aaron
Feb 19 '17 at 1:49
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What are the differences between the threading and multiprocessing modules?
...at the same speed. (In reality, it'll run a little slower, because there's extra overhead from threading, even if you don't have any shared data, but ignore that for now.)
There are exceptions to this. If your code's heavy computation doesn't actually happen in Python, but in some library with cust...
Rails 4 multiple image or file upload using carrierwave
...ploader Avatar
Create post scaffold
rails generate scaffold post title:string
Create post_attachment scaffold
rails generate scaffold post_attachment post_id:integer avatar:string
rake db:migrate
In post.rb
class Post < ActiveRecord::Base
has_many :post_attachments
accepts_nested...
ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
...q的头文件
#include <zmq.h>
#include "stdio.h"
int main(int argc, char * argv[])
{
void * pCtx = NULL;
void * pSock = NULL;
const char * pAddr = "tcp://*:7766";
//创建context，zmq的socket 需要在context上进行创建
if((pCtx = zmq_ctx_new()) == NULL)
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How can I get query string values in JavaScript?
Is there a plugin-less way of retrieving query string values via jQuery (or without)?
73 Answers
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Force to open “Save As…” popup open at text link click for PDF in HTML
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If you give a string in the download attribute, it will be used as file name. I'm using it in userscripts all the time.
– weaknespase
Apr 9 '18 at 6:36
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Set Focus on EditText
...Override
public void onFocusChange(View v, boolean hasFocus) {
String liganame = editText1.getText().toString();
if(liganame.length() == 0) {
if(editText1.requestFocus()) {
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAY...
Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
... return bar;
}
You have to access the elements like this: foo.a[1]. The extra ".a" might look weird, but this trick adds great functionality to the C language.
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