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error: ‘NULL’ was not declared in this scope
I get this message when compiling C++ on gcc 4.3
6 Answers
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How are cookies passed in the HTTP protocol?
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302
The server sends the following in its response header to set a cookie field.
Set-Cookie:name=...
Recommended way to save uploaded files in a servlet application
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answered Sep 6 '13 at 18:58
BalusCBalusC
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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
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edited Sep 3 '14 at 16:42
answered Oct 2 '10 at 15:32
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What happened to “Always refresh from server” in IE11 developer tools?
...s with Windows 8.1
It is found in the Network tab of the developer tools, 3rd button from the left.
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What is the difference between “Form Controls” and “ActiveX Control” in Excel 2010?
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answered Mar 18 '13 at 14:55
StoriKnowStoriKnow
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Find which version of package is installed with pip
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As of pip 1.3, there is a pip show command.
$ pip show Jinja2
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Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe
In older versions, pip freeze and grep should do the job nice...
Using TortoiseSVN how do I merge changes from the trunk to a branch and vice versa?
...tracking.
TortoiseSVN's options merge a range or revisions maps to method 3 when your repository is 1.5+ or to method one when your repository is older.
When merging features over to a release/maintenance branch you should use the 'Merge a range of revisions' command.
Only when you want to merge...
What is the difference between JavaConverters and JavaConversions in Scala?
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EDIT: Java Conversions got @deprecated in Scala 2.13.0. Use scala.jdk.CollectionConverters instead.
JavaConversions provide a series of implicit methods that convert between a Java collection and the closest corresponding Scala collection, and vice versa. This is done by cre...
Indentation in Go: tabs or spaces?
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answered Sep 30 '13 at 12:49
ANisusANisus
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