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Is there a difference between foreach and map?
...important point to mention (this is particularly true in Scala) is that a call to map does not result in the execution of its underlying logic until when the expected transformed list is summoned. In contrast, foreach's operation is computed immediately.
– solimant
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Is there shorthand for returning a default value if None in Python? [duplicate]
In C#, I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
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select and update database record with a single queryset
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@learning well dude, it all depends on your scenario. The update method is great for mass updates, but it should set off a warning in your head when you use it that you need to review any signals attached to that object that might also need to be m...
Using a 'using alias = class' with generic types? [duplicate]
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Disappointing answer but upvoting all the same (since the answer is correct and relevant). :-/
– BrainSlugs83
Aug 30 '14 at 3:26
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Java code To convert byte to Hexadecimal
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@polygenelubricants : Thanx a lot.. It seems, finally the code is working fine.. Is it safe to usen toHexString function now ? Or, there might be some loopholes with the approach ?
– Vivek
May 13 '10 at 11:28
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How to get NSDate day, month and year in integer format?
...2017
Swift 3.0 (It's an iteration of previous answers, but solves it for all your future app projects)
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How do I reference an existing branch from an issue in GitHub?
...ant to do this, I manually make the link like this:
[a link to a branch](/_user_/_project_/tree/_branch_)
Where _user_, _project_, and _branch_ should be replaced with the parts of the branch's URL. For example, a branch in GitHub's "linguist" project:
[api-changes branch in github/linguist](/g...
Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)
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Is it possible to accept theires for all files that are left umerged?
– aslakjo
Dec 20 '13 at 9:57
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How to detect when a UIScrollView has finished scrolling
...if it is decelerating though. If you pan slowly, then release, it doesn't call didEndDecelerating.
– Sean Clark Hess
Nov 1 '10 at 23:00
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Looking for a 'cmake clean' command to clear up CMake output
Just as make clean deletes all the files that a makefile has produced, I would like to do the same with CMake. All too often I find myself manually going through directories removing files like cmake_install.cmake and CMakeCache.txt , and the CMakeFiles folders.
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