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When and how should I use a ThreadLocal variable?
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One possible (and common) use is when you have some object that is not thread-safe, but you want to avoid synchronizing access to that object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance of the object...
Non-static variable cannot be referenced from a static context
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You must understand the difference between a class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with t...
How do I manage conflicts with git submodules?
I have a git superproject that references several submodules and I am trying to lock down a workflow for the rest of the my project members to work within.
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Most Pythonic way to provide global configuration variables in config.py? [closed]
...an also pass in additional defaults from your code. It also maps attribute and mapping style syntax to the same configuration object.
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LF will be replaced by CRLF in git - What is that and is it important? [duplicate]
...ne feed (LF). In windows a line is represented with a carriage return (CR) and a line feed (LF) thus (CRLF). when you get code from git that was uploaded from a unix system they will only have an LF.
If you are a single developer working on a windows machine, and you don't care that git automatical...
How to remove unused C/C++ symbols with GCC and ld?
I need to optimize the size of my executable severely ( ARM development) and
I noticed that in my current build scheme ( gcc + ld ) unused symbols are not getting stripped.
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Android Studio says “cannot resolve symbol” but project compiles
I'm importing twitter4j in AndroidStudio, using the following in my build.gradle:
27 Answers
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Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
... is that my genius project manager thinks that boost is another dependency and that it is horrible because "you depend on it"(I tried explaining the quality of boost, then gave up after some time :( ). Smaller reason why I would like to do it is that I would like to learn c++11 features, because peo...
What is the difference between Forking and Cloning on GitHub?
I'd like to know the differences between doing a Fork of a project and doing a clone of it.
9 Answers
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NULL values inside NOT IN clause
...t I thought were identical queries one using a not in where constraint and the other a left join . The table in the not in constraint had one null value (bad data) which caused that query to return a count of 0 records. I sort of understand why but I could use some help fully grasping the con...