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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
Is it guaranteed that False == 0 and True == 1 , in Python (assuming that they are not reassigned by the user)? For instance, is it in any way guaranteed that the following code will always produce the same results, whatever the version of Python (both existing and, likely, future ones)?
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How can I get query string values in JavaScript?
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How to get first character of string?
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16 Answers
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How to add new item to hash
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Create the hash:
hash = {:item1 => 1}
Add a new item to it:
hash[:item2] = 2
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Validate that a string is a positive integer
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Asterisk in function call
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182
* is the "splat" operator: It takes a list as input, and expands it into actual positional arg...
How to access cookies in AngularJS?
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<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.19/angular.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.19/angular-cookies.js"></script>
<script>
angular.module('myApp', ['ngCookies']);
app.controller('...
Design patterns or best practices for shell scripts [closed]
...l:: -- "$@"`
if test $? != 0
then
echo "unrecognized option"
exit 1
fi
eval set -- "$getopt_results"
while true
do
case "$1" in
--config_file)
CommandLineOptions__config_file="$2";
shift 2;
;;
--debug_level)
CommandLineOp...
how to solve “ruby installation is missing psych” error?
I used rvm to install ruby 1.9.3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning shows up:
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How to avoid scientific notation for large numbers in JavaScript?
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There's Number.toFixed, but it uses scientific notation if the number is >= 1e21 and has a ...