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Sorting multiple keys with Unix sort
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From the sort man page: "POS is F[.C][OPTS], where F is the field number and C the character position in the field; both are origin 1." See man page for full documentation.
– Adam Rosenfield
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read complete file without using loop in java
...uited to Android, @akauppi! Just look for a solution that Android supports from another answer!
– Isaac Woods
Apr 4 '15 at 13:54
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
... chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a good reason (whether or not it applies today)?
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Is it valid to define functions in JSON results?
...y to fetch "further data" using JSON. It would be nice to inform a client (from the server) how to get further data, without the client worrying about which REST or so api to call next.
– Ravindranath Akila
Jun 24 '14 at 7:48
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...ore readable is a different matter, however. It's subjective and will vary from person to person - so I suggest you find out what most people on your team like, and all go with that for consistency. Personally I find "" easier to read.
The argument that "" and " " are easily mistaken for each other...
Where is a complete example of logging.config.dictConfig?
...ame__)
log.debug("Logging is configured.")
In case you see too many logs from third-party packages, be sure to run this config using logging.config.dictConfig(LOGGING_CONFIG) before the third-party packages are imported.
Reference: https://docs.python.org/3/library/logging.config.html#configurati...
Install tkinter for Python
...stall Tkinter locally to use with system-provided Python. You may build it from sources, but this is usually not the best idea with a binary package-based distro you're apparently running.
It's safer to apt-get install python-tk on your machine(s).
(Works on Debian-derived distributions like for Ub...
Ruby: How to turn a hash into HTTP parameters?
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Update: This functionality was removed from the gem.
Julien, your self-answer is a good one, and I've shameless borrowed from it, but it doesn't properly escape reserved characters, and there are a few other edge cases where it breaks down.
require "addressable/...
How to watch for array changes?
...y1:
Object.defineProperty(myArray, "push", {
enumerable: false, // hide from for...in
configurable: false, // prevent further meddling...
writable: false, // see above ^
value: function () {
for (var i = 0, n = this.length, l = arguments.length; i < l; i++, n++) {
Rai...
Is it worth using Python's re.compile?
...time it takes to check the cache (a key lookup on an internal dict type).
From module re.py (comments are mine):
def match(pattern, string, flags=0):
return _compile(pattern, flags).match(string)
def _compile(*key):
# Does cache check at top of function
cachekey = (type(key[0]),) + k...