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Can I Replace Apache with Node.js?
...e a website running on CentOS using the usual suspects (Apache, MySQL, and PHP). Since the time this website was originally launched, it has evolved quite a bit and now I'd like to do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm wonder...
Hidden features of Perl?
...l -lwe '*4 = sub { print "yes" }; 4->()'
yes
There's also the "bool" quasi operator, that return 1 for true expressions and the empty string for false:
$ perl -wle 'print !!4'
1
$ perl -wle 'print !!"0 but true"'
1
$ perl -wle 'print !!0'
(empty line)
Other interesting stuff: with use overl...
DateTime2 vs DateTime in SQL Server
...
Another option is to use an indexed view with the column converted as a datetime for compatibility. You would need to be able to point the app to the view, however.
– TamusJRoyce
May 8 '17 at 16:39
...
How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
...
PHP regular expressions: No ending delimiter '^' found in
...
PHP regex strings need delimiters. Try:
$numpattern="/^([0-9]+)$/";
Also, note that you have a lower case o, not a zero. In addition, if you're just validating, you don't need the capturing group, and can simplify the rege...
How to validate a url in Python? (Malformed or not)
...ill not work for IPv6 urls, which have the form http://[2001:0DB8::3]:8080/index.php?valid=true#result
– cimnine
Feb 4 '18 at 20:42
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show 6...
What does cmd /C mean? [closed]
... you should be interested in is the /? part, which should solve most other questions you have with the tool.
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\>cmd /?
Starts a new instance of the Windows XP command interpreter
CMD [/A | /U] [/Q] [/D] [/E:ON | ...
Display text on MouseOver for image in html
...
You can use CSS hover
Link to jsfiddle here: http://jsfiddle.net/ANKwQ/5/
HTML:
<a><img src='https://encrypted-tbn2.google.com/images?q=tbn:ANd9GcQB3a3aouZcIPEF0di4r9uK4c0r9FlFnCasg_P8ISk8tZytippZRQ'></a>
<div>text</div>
CSS:
div {
display: none;
...
Linux/Windows批量删除.svn文件夹(svn delete) - 更多技术 - 清泛网 - 专注C/C++及内核技术
...svn" @echo "%%a\.svn"
@for /r . %%a in (.) do @if exist "%%a\.svn" rd /s /q "%%a\.svn"
@echo completed
@pause
方法二：右键菜单“Delete SVN Folders”删除指定目录下的.svn文件夹，需要写注册表
建立一个文本文件，取名为 svn_del.reg（扩展名由txt改为re...
App Inventor 2 连接调试器的几种方式的比较 - App Inventor 2 中文网 - 清...
...扰、或商业模拟器安装不了，推荐使用AI2Starter模拟器。
Q：商业模拟器如何使用？
https://bbs.tsingfun.com/thread-1741-1-1.html
Q：模拟器有什么不足吗？A：使用模拟器无法完成与真实手机相同的所有操作，例如，无法摇动它、无法拨...