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How to pass parameters correctly?
I am a C++ beginner but not a programming beginner.
I'm trying to learn C++(c++11) and it's kinda unclear for me the most important thing: passing parameters.
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Long list of if statements in Java
Sorry I can't find a question answering this, I'm almost certain someone else has raised it before.
15 Answers
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How to sort a dataframe by multiple column(s)
...mple, with the data.frame below I would like to sort by column z (descending) then by column b (ascending):
19 Answers...
A cron job for rails: best practices?
What's the best way to run scheduled tasks in a Rails environment? Script/runner? Rake? I would like to run the task every few minutes.
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How does lock work exactly?
I see that for using objects which are not thread safe we wrap the code with a lock like this:
9 Answers
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Map and Reduce in .NET
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Linq equivalents of Map and Reduce:
If you’re lucky enough to have linq then you don’t need to write your own map and reduce functions. C# 3.5 and Linq already has it albeit under different names.
Map is Select:
Enumer...
Differences between fork and exec
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The use of fork and exec exemplifies the spirit of UNIX in that it provides a very simple way to start new processes.
The fork call basically makes a duplicate of the current process, identical in almost every way. Not everything is copied over (for example, resource limits in so...
sed in-place flag that works both on Mac (BSD) and Linux
Is there an invocation of sed todo in-place editing without backups that works both on Linux and Mac? While the BSD sed shipped with OS X seems to need sed -i '' … , the GNU sed Linux distributions usually come with interprets the quotes as empty input file name (instead of the backup exten...
What is “stdafx.h” used for in Visual Studio?
A file named stdafx.h is automatically generated when I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/can't use this header file.
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Find and replace Android studio
Is there a way to find and replace all occurrences of a word in an entire project( not just a single class using refactor -> rename) and also maintain case, either in android studio or using a command line script?
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