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push_back vs emplace_back
I'm a bit confused regarding the difference between push_back and emplace_back .
7 Answers
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How to host a Node.Js application in shared hosting [closed]
... node server using cURL
$curl = curl_init('http://127.0.0.1:49999/');
curl_setopt($curl, CURLOPT_HEADER, 1);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
//Get the full response
$resp = curl_exec($curl);
if($resp === false) {
//If couldn't connect, try increasing usleep
echo 'Error: ' . cu...
What's the state of the art in email validation for Rails?
What are you using to validate users' email addresses, and why?
13 Answers
13
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Why is the use of tuples in C++ not more common?
...nt. Nothing is needed in programming once you've got a Turing complete subset of a language. Lack of use certainly doesn't imply that everyone understands the higher level C++ constructs and chooses to not use them.
– Trey Jackson
Nov 17 '14 at 16:09
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linux: kill background task
...if job control is enabled. Although I think you can turn it on in scripts (set -m), it's intended for interactive use. See stackoverflow.com/questions/690266/… as well
– falstro
Nov 18 '13 at 10:23
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How to read a file in reverse order?
... order"""
with open(filename) as fh:
segment = None
offset = 0
fh.seek(0, os.SEEK_END)
file_size = remaining_size = fh.tell()
while remaining_size > 0:
offset = min(file_size, offset + buf_size)
fh.seek(file_size - offset)
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Is there a replacement for unistd.h for Windows (Visual C)?
...ernet, let's start one here.
Most ports to Windows probably only need a subset of the complete Unix file.
Here's a starting point. Please add definitions as needed.
#ifndef _UNISTD_H
#define _UNISTD_H 1
/* This is intended as a drop-in replacement for unistd.h on Windows.
* Please add function...
NSIS脚本编程(持续更新) - 脚本技术 - 清泛IT论坛，有思想、有深度
本帖最后由 zqp2013 于 2014-12-31 14:18 编辑
NSIS MessageBox 中无法换行？
NSIS中 $ 不但是变量常量的开头，还是一个转义字符，因此换行符应该$\n。
messagebox::show MB_SETFOREGROUND|MB_ICONHAND|MB_DEFBUTTON3|MB_TOPMOST "" "" \ &nbs...
How to check if a database exists in SQL Server?
...
From a Microsoft's script:
DECLARE @dbname nvarchar(128)
SET @dbname = N'Senna'
IF (EXISTS (SELECT name
FROM master.dbo.sysdatabases
WHERE ('[' + name + ']' = @dbname
OR name = @dbname)))
-- code mine :)
PRINT 'db exists'
...