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Traverse all the Nodes of a JSON Object Tree with JavaScript
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222
If you think jQuery is kind of overkill for such a primitive task, you could do something like...
How to detect if a stored procedure already exists
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edited Oct 24 '13 at 9:32
SteveC
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Is there a TRY CATCH command in Bash
...behavior using && or ||.
Using ||:
if command1 fails then command2 runs as follows
command1 || command2
Similarly, using &&, command2 will run if command1 is successful
The closest approximation of try/catch is as follows
{ # try
command1 &&
#save your output
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Check empty string in Swift?
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244
There is now the built in ability to detect empty string with .isEmpty:
if emptyString.isEmpt...
View a file in a different Git branch without changing branches
...fic revision in Git?
How to get just one file from another branch
UPDATE 2015-01-19:
Nowadays you can use relative paths with git show a1b35:./file.txt.
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Python argparse: default value or specified value
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286
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--example', nargs='?',...
Parsing huge logfiles in Node.js - read in line-by-line
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210
I searched for a solution to parse very large files (gbs) line by line using a stream. All the...
Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
The latest changesets to Ruby 1.9.2 no longer make the current directory . part of your LOAD_PATH . I have a non-trivial number of Rakefiles that assume that . is part of the LOAD_PATH , so this broke them (they reported "no such file to load" for all require statements that based off the proj...
Functional, Declarative, and Imperative Programming [closed]
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263
At the time of writing this, the top voted answers on this page are imprecise and muddled on t...
Python loop that also accesses previous and next values
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102
This should do the trick.
foo = somevalue
previous = next_ = None
l = len(objects)
for index, o...