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Useful GCC flags for C
...rt on signed integer overflow (formally "undefined behaviour" in C).
-fverbose-asm is useful if you're compiling with -S to examine the assembly output - it adds some informative comments.
-finstrument-functions adds code to call user-supplied profiling functions at every function entry and exit poi...
javac not working in windows command prompt
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Windows OS searches the current directory and the directories listed in the PATH environment variable for executable programs. JDK's programs (such as Java compiler javac.exe and Java runtime java.exe) reside in directory "\bin" (whe...
Import Error: No module named numpy
...es it not install the proper version of numpy??
– almost a beginner
Sep 27 '16 at 10:28
23
After ...
How to do relative imports in Python?
...tive imports use a module's __name__ attribute to determine that module's position in the package hierarchy. If the module's name does not contain any package information (e.g. it is set to '__main__') then relative imports are resolved as if the module were a top level module, regardless of where t...
What is a “Bitmap heap scan” in a query plan?
...ans).
Note, as an aside, how clustering/row order affects the associated costs with either method. If rows are all over the place in a random order, a bitmap index will be cheaper. (And, in fact, if they're really all over the place, a seq scan will be cheapest, since a bitmap index scan is not wit...
How to save an image locally using Python whose URL address I already know?
...")
output = open("file01.jpg","wb")
output.write(resource.read())
output.close()
file01.jpg will contain your image.
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What is your single most favorite command-line trick using Bash? [closed]
...p to see all of your keyboard shortcuts listed? There are over 455 on Mac OS X by default.
105 Answers
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What's the best three-way merge tool? [closed]
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KDiff3
open source, cross platform
Same interface for Linux and Windows, very smart algorithm for solving conflicts, regular expressions for automatically solving conflicts, integrate with ClearCase, SVN, Git, MS Visual Studio, editable merged fi...
How to declare global variables in Android?
...n Android development. I have added a long addendum at the bottom of this post, addressing some criticism, and detailing a philosophical disagreement I have with the use of Singletons rather than subclassing Application. Read it at your own risk.
ORIGINAL ANSWER:
The more general problem you are ...
How to select .NET 4.5.2 as a target framework in Visual Studio
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You need to install the Microsoft .NET Framework 4.5.2 Developer Pack
This contains the following components (emphasis added by me):
.NET Framework 4.5.2
.NET Framework 4.5.2 Multi-Targeting Pack: Contains the reference assemblies needed to build app...