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What's the idiomatic syntax for prepending to a short python list?
...ds, lists can't "make space at the front". collections.deque (double ended queue) has support for "making space at the front" and is much faster in this case.
– fejfo
Mar 18 at 14:49
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Disable output buffering
...dy of the loop is run. This will behave like buffering, though it's rather batching. Instead, do while true: line = sys.stdin.readline()
– tzp
Jun 10 '13 at 12:35
5
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Which websocket library to use with Node.js? [closed]
...("http");
var express = require("express");
var port = process.env.PORT || 5000;
var app = express();
app.use(express.static(__dirname+ "/../"));
app.get('/someGetRequest', function(req, res, next) {
console.log('receiving get request');
});
app.post('/somePostRequest', funct...
Difference between Statement and PreparedStatement
...verall faster execution and the ability to reuse the same SQL statement in batches.
Automatic prevention of SQL injection attacks by builtin escaping of quotes and other special characters. Note that this requires that you use any of the PreparedStatement setXxx() methods to set the values
prepare...
append multiple values for one key in a dictionary [duplicate]
...expression which is consumed by deque as efficiently as possible since the queue length is set to zero. The deque will be discarded immediately and the result will be in d.
This is something I just did for fun. I don't recommend using it. There is a time and a place to consume arbitrary iterables t...
deque iterator not dereferencable 问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...某一个不存在的位置。
比如：
#include<iostream>
#include <queue>
using namespace std;
int main()
{
queue<int> x;
for(int i = 0;i < 10;i++)
{
x.push(i+1);
}
while(!x.empty()) {
cout << x.front() << " ";
x.pop();
...
Why do people say there is modulo bias when using a random number generator?
I have seen this question asked a lot but never seen a true concrete answer to it. So I am going to post one here which will hopefully help people understand why exactly there is "modulo bias" when using a random number generator, like rand() in C++.
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php $_POST array empty upon form submission
...
This workaround makes sense - it fixed my batch-update controller :)
– Martin Zeitler
Apr 28 '13 at 8:27
2
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How can I make the computer beep in C#?
... specify the frequency and length of the beep in milliseconds.
// Beep at 5000 Hz for 1 second
Console.Beep(5000, 1000);
For more information refer http://msdn.microsoft.com/en-us/library/8hftfeyw%28v=vs.110%29.aspx
share...
Hibernate show real SQL [duplicate]
...it depends highly on what database he is using and if hibernate chooses to batch/prepare the statement.
– Adam Gent
Jan 2 '13 at 21:24
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