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When I catch an exception, how do I get the type, file, and line number?
..._info() into local variables, since if you get an exception in the except handler, the local vars could get kept in a circular reference and not GC'd. Best practice is to always just use slices off of sys.exc_info() instead. Or use other modules like traceback, as other posters have suggested.
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How do I change the working directory in Python?
cd is the shell command to change the working directory.
14 Answers
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What is “export default” in javascript?
...ello!
Update: As of June 2015, the module system is defined in §15.2 and the export syntax in particular is defined in §15.2.3 of the ECMAScript 2015 specification.
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nodejs vs node on ubuntu 12.04
...ble shells:
sudo ln -s `which nodejs` /usr/bin/node
Or if you use non-standard shells, just hardcode the path you find with which nodejs:
sudo ln -s /usr/bin/nodejs /usr/bin/node
Later edit
I found this explanation in the link you posted
There is a naming conflict with the node package (A...
Are there any worse sorting algorithms than Bogosort (a.k.a Monkey Sort)? [closed]
...rithms this morning. We reminisced about our favorites like StupidSort , and one of us was sure we had seen a sort algorithm that was O(n!) . That got me started looking around for the "worst" sorting algorithms I could find.
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How to pass the value of a variable to the stdin of a command?
...e somewhat secure i.e. does not pass secure data through parameters of commands and preferably does not use temporary files. How can I pass a variable to the stdin of a command? Or, if it's not possible, how to correctly use temporary files for such task?
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Handling a colon in an element ID in a CSS selector [duplicate]
...the beginning of a pseudo-element to the browser so it gets marked invalid and ignored. Is there anyway to escape the colon or something?
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Getting the class name from a static method in Java
...thanks to @James Van Huis):
MyClass.class.getSimpleName(); // class name and no more
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How do I print to the debug output window in a Win32 app?
...t window, but I can't for the life of me work out how. I've tried 'printf' and 'cout
9 Answers
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How to convert an Int to a String of a given length with leading zeros to align?
...f"$expr%07d"
f"${expr}%07d"
Edit Apr 2019:
If you want leading spaces, and not zero, just leave out the 0 from the format specifier. In the above case, it'd be f"$expr%7d".Tested in 2.12.8 REPL. No need to do the string replacement as suggested in a comment, or even put an explicit space in fron...