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MySQL Cannot drop index needed in a foreign key constraint
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@Pehat check my answer below stackoverflow.com/a/54145440/2305119
– thyzz
Jan 11 '19 at 11:16
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Single script to run in both Windows batch and Linux Bash?
...that any use of $? must be before your next colon : because : resets $? to 0.
:; echo "Hi, I’m ${SHELL}."; exit $?
@ECHO OFF
ECHO I'm %COMSPEC%
A very contrived example of guarding $?:
:; false; ret=$?
:; [ ${ret} = 0 ] || { echo "Program failed with code ${ret}." >&2; exit 1; }
:; exit...
How do you load custom UITableViewCells from Xib files?
...all the XIB should contain).
cell = [topLevelObjects objectAtIndex:0];
}
return cell;
}
Update (2014):
Method #2 is still valid but there is no documentation for it anymore. It used to be in the official docs but is now removed in favor of storyboards.
I posted a working example ...
sphinx-build fail - autodoc can't import/find module
...would insert the module path to the front of sys.path using os.path.insert(0, ...), and just add an extra .
import os
import sys
sys.path.insert(0, os.path.abspath('..'))
If you have setup your sphinx project to use separate build and source directories, that call should instead be:
sys.path.ins...
C语言判断文件是否存在 - C/C++ - 清泛网 - 专注C/C++及内核技术
...io.h，原型：int access(const char *filename, int amode);amode参数为0时表示检查文件的存在性，如果文件存...用函数access，头文件是io.h，原型：
int access(const char *filename, int amode);
amode参数为0时表示检查文件的存在性，如果文件存在，返...
Prevent text selection after double click
...You can also apply these styles to the span for all non-IE browsers and IE10:
span.no_selection {
user-select: none; /* standard syntax */
-webkit-user-select: none; /* webkit (safari, chrome) browsers */
-moz-user-select: none; /* mozilla browsers */
-khtml-user-select: none; /* we...
Get form data in ReactJS
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jbaiterjbaiter
5,31044 gold badges2424 silver badges3434 bronze badges
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Make a link open a new window (not tab) [duplicate]
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edited Jul 30 '19 at 9:50
answered Oct 17 '12 at 17:29
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Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
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answered Jul 10 '09 at 12:18
Nathan de VriesNathan de Vries
15.3k44 gold badges4747 silver badges5555 bronze badges
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Can you set a border opacity in CSS?
...ith the rgba color format. For example, this would give a red border with 50% opacity:
div {
border: 1px solid rgba(255, 0, 0, .5);
-webkit-background-clip: padding-box; /* for Safari */
background-clip: padding-box; /* for IE9+, Firefox 4+, Opera, Chrome */
}
The problem with this ap...