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Is Ruby pass by reference or by value?
@user object adds errors to the lang_errors variable in the update_lanugages method.
when I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable.
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Why does the expression 0 < 0 == 0 return False in Python?
Looking into Queue.py in Python 2.6, I found this construct that I found a bit strange:
9 Answers
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wildcard ssl on sub-subdomain [closed]
...tificate (e.g., more than one dNSName name, a match in any one
of the set is considered acceptable.) Names may contain the wildcard
character * which is considered to match any single domain name
component or component fragment. E.g., *.a.com matches foo.a.com but
not bar.foo.a.c...
Creating virtual directories in IIS express
...e for each virtual directory.
You get a lot of flexibility because you can set different configuration for the virtual directory (for example a different .Net Framework version)
EDIT
Thanks to Fevzi Apaydın to point to a more elegant solution.
You can achieve same result by adding one or more vir...
How to return multiple objects from a Java method?
I want to return two objects from a Java method and was wondering what could be a good way of doing so?
25 Answers
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TortoiseSVN允许修改日志的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...录下加入一个批处理文件：pre-revprop-change.bat
@ECHO OFF
set repos=%1
set rev=%2
set user=%3
set propname=%4
set action=%5
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: Only allow changes to svn:log. The author, date and other revision
:: properties...
How to find the Windows version from the PowerShell command line
How do I find which Windows version I'm using?
24 Answers
24
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Can you set a border opacity in CSS?
...d NOT the background color of the bordered element itself), you'll need to set background-clip:padding-box; too.
– SooDesuNe
Aug 27 '11 at 16:37
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Make a link use POST instead of GET
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You create a form with hidden inputs that hold the values to be posted, set the action of the form to the destination url, and the form method to post. Then, when your link is clicked, trigger a JS function that submits the form.
See here, for an example. This example uses pure JavaScript, with ...
Regular expression to match a line that doesn't contain a word
I know it's possible to match a word and then reverse the matches using other tools (e.g. grep -v ). However, is it possible to match lines that do not contain a specific word, e.g. hede , using a regular expression?
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