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How to Calculate Execution Time of a Code Snippet in C++
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You can use this function I wrote. You call GetTimeMs64(), and it returns the number of milliseconds elapsed since the unix epoch using the system clock - the just like time(NULL), except in milliseconds.
It works on both windows and linux; it is thread safe.
Not...
Checking if a double (or float) is NaN in C++
...nly if f is NaN.
Note that, as some comments below have pointed out, not all compilers respect this when optimizing code.
For any compiler which claims to use IEEE floating point, this trick should work. But I can't guarantee that it will work in practice. Check with your compiler, if in doubt.
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Spring Boot - parent pom when you already have a parent pom
...ing JSP, you need to have this:
<properties>
<failOnMissingWebXml>false</failOnMissingWebXml>
</properties>
Otherwise, you will get this error message:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-war-plugin:2.2:war (default-war) on project spri...
“loop:” in Java code. What is this, and why does it compile?
...s the OP might not be familiar with the goto/label concept, that it's generally regarded as a bad practice, except in very particular situations (for instance, for shortcutting multiple nested loops).
– haylem
Sep 29 '10 at 13:21
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SQL Server String or binary data would be truncated
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I had faced the same problem and had to compare all the column types and sizes of both the tables to fix the issue.
– Aziz Shaikh
Jun 17 '11 at 16:40
1
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jQuery text() and newlines
...es/w/whitespace/
P.S. Until CSS3 become common you'd probably need to manually trim off initial and/or trailing white-spaces.
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What does [:] mean?
...he type of population. If population is a list, this line will create a shallow copy of the list. For an object of type tuple or a str, it will do nothing (the line will do the same without [:]), and for a (say) NumPy array, it will create a new view to the same data.
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Where is Developer Command Prompt for VS2013?
...nd prompt in Visual Studio 2013. By default, the command prompt is not installed in Visual Studio 2013.
9 Answers
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Why do we need a fieldset tag?
...abel for="colour_blue">Blue</label>
</fieldset>
This allows each radio button to be labeled while also providing a label for the group as a whole. This is especially important where assistive technology (such as a screen reader) is being used where the association of the contro...
Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i
...from the workspace in the left pane of Xcode and close Xcode.
Run "pod install" from the command line to recreate the "Pods" project.
Re-open Xcode and make sure "Build Active Architecture Only" is set to "No" in the build settings of both the "Pods" project and your own project.
Clean and build.
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