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curl_exec() always returns false
...
+1: Simple and straight trouble-shooting for curl in PHP on curl_exec FALSE return. - Curl Verbose Mode in PHP example
– hakre
Nov 9 '12 at 20:10
...
HTML/CSS: Making two floating divs the same height
... float: left;
width: 50%;
margin-right: -1px; /* Thank you IE */
border-left: 1px solid black;
background-color: red;
padding-bottom: 500em;
margin-bottom: -500em;
}
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"...
Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
... of the answer.
As a result, most compilers are very conservative about reordering floating point calculations unless they can be sure that the answer will stay the same, or unless you tell them you don't care about numerical accuracy. For example: the -fassociative-math option of gcc which allows...
Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations
...orzing the ctx.Database.initialize() of each context to run in the correct order, or run the Update-Database command by hand in the correct order. (And teh reverse, if you do a db migration to previous version). It`s "dangerous" but can be done.
– JotaBe
Nov 24...
不到20个积木块，我用App Inventor 2给女儿做了个接星星小游戏 - App应用开...
...已经实现了矩形碰撞检测。
踩过的坑
坑1：Z坐标的问题
一开始篮子和星星重叠时，星星显示在篮子上面，看起来像是星星穿过了篮子。后来设置了 Basket.Z坐标 为2，Star.Z坐标 为1，让篮子始终显示在前层，视觉上就像稳稳...
NodeJS require a global module/package
...pproach because this doesn't require the install of any special modules in order to use.
I didn't go with a NODE_PATH solution like others have suggested since I wanted to get this to work on anyone's machine, without having to require additional configuration/setup before running npm install for m...
Setting up FTP on Amazon Cloud Server [closed]
...cess." vsftpd will allow FTP access to any user not on this list.
So, in order to create a new FTP account, you may need to create a new user on your server. (Or, if you already have a user account that's not listed in /etc/vsftpd/user_list, you can skip to the next step.)
Creating a new user on...
Disable output buffering
...
A straight-forward way of using the flush keyword argument of Python 3 in order to always have unbuffered output is:
import functools
print = functools.partial(print, flush=True)
afterwards, print will always flush the output directly (except flush=False is given).
Note, (a) that this answers t...
Circular list iterator in Python
... print item,
Output:
a b c a b c ...
(Loops forever, obviously)
In order to manually advance the iterator and pull values from it one by one, simply call next(pool):
>>> next(pool)
'a'
>>> next(pool)
'b'
...
Unix's 'ls' sort by name
...ort. For just a list of file names:
ls -1 | sort
To sort them in reverse order:
ls -1 | sort -r
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