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not None test in Python [duplicate]
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1033
if val is not None:
# ...
is the Pythonic idiom for testing that a variable is not set t...
PHP random string generator
...de snippet with the corrections:
function generateRandomString($length = 10) {
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= ...
How to convert a LocalDate to an Instant?
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101
The Instant class represents an instantaneous point on the time-line. Conversion to and from a ...
Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
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204
zip -d file.jar unwanted_file.txt
jar is just a zip file after all. Definitely much faster th...
What is the difference between Nexus and Maven?
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160
Sonatype Nexus and Apache Maven are two pieces of software that often work together but they do ...
Difference between UIViewContentModeScaleAspectFit and UIViewContentModeScaleToFill?
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EmptyStackEmptyStack
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Determine whether an array contains a value [duplicate]
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1005
var contains = function(needle) {
// Per spec, the way to identify NaN is that it is not e...
what is the difference between ?:, ?! and ?= in regex?
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160
The difference between ?= and ?! is that the former requires the given expression to match and t...
How do I style a dropdown with only CSS?
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1072
Here are three solutions:
Solution #1 - appearance: none - with Internet Explorer 10 - 11 ...
How do I initialize an empty array in C#?
...te an empty array you can do this:
string[] emptyStringArray = new string[0];
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