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Logging uncaught exceptions in Python
... global type (much like using var self = this in Javascript). It doesn't really matter unless you need to access the type object inside your function, in which case you can use type_ as the argument instead.
– Ryan P
Jan 2 '13 at 17:08
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Socket.IO - how do I get a list of connected sockets/clients?
I'm trying to get a list of all the sockets/clients that are currently connected.
26 Answers
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Delete specific line number(s) from a text file using sed?
...ay can be much more effort, and goes against the potential desire to avoid extra tools like sed as much as you can.
– Egor Hans
Nov 12 '17 at 12:02
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Set environment variables on Mac OS X Lion
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Two things to try: First, is your pasted string has an incorrect semicolon after ".dtd>" Maybe it is a copy and paste error, but I had to remove it to get Xcode to read the file. Second, you may need to log out and back in for the effects to take place.
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“Inner exception” (with traceback) in Python?
...recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python?
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javascript: Clear all timeouts?
Is there a way to clear all time outs from a given window? I suppose the timeouts are stored somewhere in the window object but couldn't confirm that.
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Merge PDF files
...iles, output_stream):
input_streams = []
try:
# First open all the files, then produce the output file, and
# finally close the input files. This is necessary because
# the data isn't read from the input files until the write
# operation. Thanks to
# h...
C state-machine design [closed]
... an enum. It also makes for much cleaner code since you don't need all the extra cruft of function pointers or huge switch statements and while loops. Did I mention it's more efficient too?
Here's what a state machine might look like:
void state_machine() {
first_state:
// Do some stuff here
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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
... stdin input, but alternatively also filename arguments
The functions take extra steps to handle SIGPIPE in the usual way (quiet termination with exit code 141), as opposed to breaking noisily. This is important when piping the function output to a pipe that is closed early, such as when piping to h...
Git Gui: Perpetually getting “This repository currently has approximately 320 loose objects.”
... command line fixed it for me. May be git gui runs something like git gc --extra-unaggressive :)
– sashoalm
Jan 30 '14 at 13:57
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