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How do I find the location of my Python site-packages directory?
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There are two types of site-packages directories, global and per user.
Global site-packages ("dist-packages") directories are listed in sys.path when you run:
python -m site
For a more concise list run getsitepackages from the site module in Python code:
python -c 'import sit...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...bunch of mutexes or a single one for an object.
If you have many threads and the access to the object happens often, then multiple locks would increase parallelism. At the cost of maintainability, since more locking means more debugging of the locking.
How efficient is it to lock a mutex? I.e....
Can a local variable's memory be accessed outside its scope?
...u rent a hotel room. You put a book in the top drawer of the bedside table and go to sleep. You check out the next morning, but "forget" to give back your key. You steal the key!
A week later, you return to the hotel, do not check in, sneak into your old room with your stolen key, and look in the ...
Solutions for distributing HTML5 applications as desktop applications? [closed]
...by GitHub for building cross-platform desktop applications with HTML, CSS, and JavaScript. Electron accomplishes this by combining Chromium and Node.js into a single runtime and apps can be packaged for Mac, Windows, and Linux. (source)
The folks at github use this to provide their code editor Ato...
How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
...e Platform Independent zip file into the folder prompted in TeamCity setup and hit refresh drivers button.
– Stephen Price
Mar 22 '15 at 4:58
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Auto layout constraints issue on iOS7 in UITableViewCell
... layout constraints programmatically to layout my custom UITableView cells and I'm correctly defining the cell sizes in tableView:heightForRowAtIndexPath:
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How can I randomize the lines in a file using standard tools on Red Hat Linux?
How can I randomize the lines in a file using standard tools on Red Hat Linux?
11 Answers
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How do I get current date/time on the Windows command line in a suitable format for usage in a file/
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On my system %TIME% returns values like " 0:01:15" and " 3:15:12" and the %%a%%b code in the answer gives a leading space like " 001" and " 315". To get a four digit hhmm use this: For /f "tokens=1-2 delims=/: " %%a in ("%TIME%") do (if %%a LSS 10 (set mytime=0%%a%%b) else (s...
How can I get Git to follow symlinks?
...now out-dated as per comment since Git 1.6.1. Git used to behave this way, and no longer does.
Git by default attempts to store symlinks instead of following them (for compactness, and it's generally what people want).
However, I accidentally managed to get it to add files beyond the symlink whe...
Does a finally block always get executed in Java?
... et cetera
If the finally block is going to be executed by a daemon thread and all other non-daemon threads exit before finally is called
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