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M_PI works with math.h but not with cmath in Visual Studio
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As suggested by user7860670, right-click on the project, select properties, navigate to C/C++ -> Preprocessor and add _USE_MATH_DEFINES to the Preprocessor Definitions.
That's what worked for me.
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How can I add an element after another element?
...pends on the way you prefer to code it. I'd normally have the '#bla' input selected already, and then add the extra content afterwards. Purely my preference though, I'm not sure whether either method has a speed benefit.
– Rowan
Feb 11 '10 at 13:25
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GetProperties() to return all properties for an interface inheritance hierarchy
...(new Type[] { type })
.Concat(type.GetInterfaces())
.SelectMany(i => i.GetProperties());
}
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Print only?
...I was able to solve this by using some additional display:none styling for selected items but perhaps a more general solution is achievable by some combination of also forcing heights, overflow:none and absolute positioning for all divs or something.
– Malcolm MacLeod
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How to disable a particular checkstyle rule for a particular line of code?
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If you prefer to use annotations to selectively silence rules, this is now possible using the @SuppressWarnings annotation, starting with Checkstyle 5.7 (and supported by the Checkstyle Maven Plugin 2.12+).
First, in your checkstyle.xml, add the SuppressWarnin...
Accessing outside variable using anonymous function as params
... same no matter what function is executing.
Code:
$result = '';
fetch("SELECT title FROM tbl", function($r) use (&$result) {
$result .= $r['title'];
});
But beware (taken from one of comments in previous link):
use() parameters are early binding - they use the variable's value at
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Mark parameters as NOT nullable in C#/.NET?
... where o.Value == null
select o;
bool paramsNull = nullParams.Count() > 0;
if (paramsNull)
{
StringBuilder sb = new StringBuilder();
foreach (var param in nullParams)
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Build and Version Numbering for Java Projects (ant, cvs, hudson)
... regexp=".*/tags/(.*)/${ant.project.name}/src"
select="v \1"
defaultvalue="rev ${svn.info.lastRev} (SVN)"
override="true"
/>
<!--
replace date and version in the versionfile ()
-->
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Total memory used by Python process?
... import os
from wmi import WMI
w = WMI('.')
result = w.query("SELECT WorkingSet FROM Win32_PerfRawData_PerfProc_Process WHERE IDProcess=%d" % os.getpid())
return int(result[0].WorkingSet)
On Linux (from python cookbook http://code.activestate.com/recipes/286222/:
import os
_proc_...
How to disable Google Chrome auto update?
...c OS.
Go to Applications Folder in Finder.
Right click Google Chrome and select Show Package Contents.
Go to Contents directory.
Open Info.plist file with XCode or other text editor.
Change the value of the key: KSUpdateURL to an invalid URL.
something like
https://tools.google.com/service/inva...