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Most pythonic way to delete a file which may not exist
...
A more pythonic way would be:
try:
os.remove(filename)
except OSError:
pass
Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python conventio...
What is a “thread” (really)?
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+1. A thread isn't anything more "concrete" than a set of register values.
– Greg Hewgill
Mar 5 '11 at 5:24
7
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Best Practice for Forcing Garbage Collection in C#
...i (msdn.microsoft.com/en-us/library/…). This gives the garbage collector more information about your system without interfering with the collection algorithms.
– Govert
Feb 1 '12 at 18:51
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Manually raising (throwing) an exception in Python
...d raising a generic Exception. To catch it, you'll have to catch all other more specific exceptions that subclass it.
Problem 1: Hiding bugs
raise Exception('I know Python!') # Don't! If you catch, likely to hide bugs.
For example:
def demo_bad_catch():
try:
raise ValueError('Repres...
Is “else if” faster than “switch() case”? [duplicate]
... have many items you should definitely use a switch.
If a switch contains more than five items, it's implemented using a lookup table or a hash list. This means that all items get the same access time, compared to a list of if:s where the last item takes much more time to reach as it has to evaluat...
Why can't I use Docker CMD multiple times to run multiple services?
...=true
[include]
files = /etc/supervisor/conf.d/*.conf
If you would like more details, I wrote a blog on this subject here: http://blog.trifork.com/2014/03/11/using-supervisor-with-docker-to-manage-processes-supporting-image-inheritance/
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What is the difference between 'E', 'T', and '?' for Java generics?
...wish to learn about it through the following resources, although there are more available of course:
Java Tutorial on Generics
Language guide to generics
Generics in the Java programming language
Angelika Langer's Java Generics FAQ (massive and comprehensive; more for reference though)
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Select first row in each GROUP BY group?
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Resize svg when window is resized in d3.js
...imple to make a SVG responsive and you don't have to worry about sizes any more.
Here is how I did it:
d3.select("div#chartId")
.append("div")
// Container class to make it responsive.
.classed("svg-container", true)
.append("svg")
// Responsive SVG needs these 2 attribute...
Java maximum memory on Windows XP
...ns in Windows that minimize the relocation of DLL's during linking make it more likely you'll have a fragmented address space. Things that are likely to cut in to your address space aside from the usual stuff include security software, CBT software, spyware and other forms of malware. Likely causes ...