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Matplotlib plots: removing axis, legends and white spaces
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11 Answers
11
Active
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Dynamically creating keys in a JavaScript associative array
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144
Use the first example. If the key doesn't exist it will be added.
var a = new Array();
a['na...
SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
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31
Since 3.24.0 SQLite also supports upsert, so now you can simply write the following
INSERT INTO...
How to convert CharSequence to String?
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answered Oct 10 '11 at 0:38
Mike SamuelMike Samuel
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Why do results vary based on curly brace placement?
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169
That's one of the pitfalls of JavaScript: automatic semicolon insertion. Lines that do not end...
Which, if any, C++ compilers do tail-recursion optimization?
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131
All current mainstream compilers perform tail call optimisation fairly well (and have done for...
serve current directory from command line
...o remember, so I just have this in my .bashrc:
function serve {
port="${1:-3000}"
ruby -run -e httpd . -p $port
}
It serves the current directory on port 3000 by default, but you can also specify the port:
~ $ cd tmp
~/tmp $ serve # ~/tmp served on port 3000
~/tmp $ cd ../www
~/www $ se...
Simple logical operators in Bash
...o test if a file exists. There are also string equality operators: "$string1" == "$string2" (beware that the right-hand side is a pattern, e.g. [[ $foo == a* ]] tests if $foo starts with a while [[ $foo == "a*" ]] tests if $foo is exactly a*), and the familiar !, && and || operators for nega...
Using a remote repository with non-standard port
...epository. The remote repository is being served on a non-standard port (4019).
5 Answers
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