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partial string formatting
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If you know in what order you're formatting things:
s = '{foo} {{bar}}'
Use it like this:
ss = s.format(foo='FOO')
print ss
>>> 'FOO {bar}'
print ss.format(bar='BAR')
>>> 'FOO BAR'
You can't specify foo and bar at...
Non-recursive depth first search algorithm
...ink I can just avoid to add dulplicated node to the stack and it can work. What I will do is to mark all the neighbors of the node which are popped out and add a if (nodes are not marked) to judge whether it is approapriate to be pushed to the stack. Can that work?
– Alston
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Writing a list to a file with Python
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What are you going to do with the file? Does this file exist for humans, or other programs with clear interoperability requirements?
If you are just trying to serialize a list to disk for later use by the same python app, yo...
Getting the last element of a list
...ement only postpones the inevitable "list index out of range" - and that's what should happen when attempting to get an element from an empty list. For Strings astr[-1:] could be a valid approach since it returns the same type as astr[-1], but I don't think the ':' helps to deal with empty lists (an...
Optimistic vs. Pessimistic locking
...e the the CAP theorem says about consistency in banking. It is opposite to what you honor it for.
– Little Alien
Dec 5 '16 at 22:05
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show 2...
return statement vs exit() in main()
...de effects as returning zero. As others have pointed out, this depends on what kind of executable you're building (i.e., who's calling main). Are you coding an app that uses the C-runtime? A Maya plugin? A Windows service? A driver? Each case will require research to see if exit is equivalent ...
What is the advantage of using REST instead of non-REST HTTP?
...you will get a good answer to this, partly because nobody really agrees on what REST is. The wikipedia page is heavy on buzzwords and light on explanation. The discussion page is worth a skim just to see how much people disagree on this. As far as I can tell however, REST means this:
Instead of hav...
How can I resize an image dynamically with CSS as the browser width/height changes?
... how I could make an image resize along with the browser window, here is what I have done so far (or download the whole site in a ZIP ).
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Keystore change passwords
...nature of the apk will be the same? Just the password will change? This is what I need too. Chose a bad password, now need to change it.
– Matthew Rudy
Nov 15 '11 at 7:50
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Pretty-print an entire Pandas Series / DataFrame
... None turns them off. Using the with pd.option_context() option documents what is going on very clearly and explicitly, and makes it clear how to achieve other changes in output formatting that may be desired, using e.g. precision, max_colwidth, expand_frame_repr, colheader_justify, date_yearfirst,...