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What is the purpose of setting a key in data.table?
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Cool, thanks! Up until now, I hadn't thought about what "binary search" actually meant, nor really understood the reason why it was used instead of a hash.
– Frank
Nov 18 '13 at 22:02
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How can I check if a jQuery plugin is loaded?
...e i.e window.jQuery is not set the callback will not run, it work fine but now im tring to load a j query plugin and to check that , i need to call jquery select function like jQuery().pluginName, but when i pass it my function parameter like LoadScript("jquery+plugin.js",jquery().plugin) jquery() d...
Sqlite or MySql? How to decide? [closed]
...r an Athlon 1600. 1GB RAM. 5400RPM IDE disk. Redhat 7.3. He concludes: «I now believe that SQLite is appropriate for use as the primary database on websites that get up to 1 million hits per day.»
– Rutrus
Dec 27 '16 at 0:45
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Array_merge versus + [duplicate]
...It causes a lot of issues and premature hair-loss for others if you don't know exactly what it does. Excellent answer too!
– Matt Fletcher
Mar 19 '13 at 10:16
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What is the difference between “ is None ” and “ ==None ”
...mparison is implemented elementwise:
import numpy as np
a = np.zeros(3) # now a is array([0., 0., 0.])
a == None #compares elementwise, outputs array([False, False, False]), i.e. not boolean!!!
a is None #compares object to object, outputs False
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Traversing text in Insert mode
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@YugalJindle: Thanks! :) I have now added info on tweaking the Command-line mode. (The approach is a bit different from Insert mode.)
– Aaron Thoma
Jan 18 '14 at 12:24
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What is difference between functional and imperative programming languages?
... see how anyone could read this answer and come away feeling confident in knowing the difference between declarative and procedural programming.
– Ringo
Apr 24 '17 at 7:02
add...
No appenders could be found for logger(log4j)?
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Warning messages are not appearing now but still the logs are not written at desired location
– Arpan Saini
Mar 3 '17 at 9:06
add a com...
What is the purpose of the -m switch?
... to explain a little terminology.
Python's primary organizational unit is known as a module. Module's come in one of two flavors: code modules and package modules. A code module is any file that contains python executable code. A package module is a directory that contains other modules (either code...
How to install Maven 3 on Ubuntu 18.04/17.04/16.10/16.04 LTS/15.10/15.04/14.10/14.04 LTS/13.10/13.04
... @TheHippo, the apt-get repositories must have been fixed by now but when I did my installation on Ubunut 12.10 normal apt-get install was not working.
– AmirHd
Jun 9 '13 at 6:47
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