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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...
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++) {
$randomString .= ...
Get selected subcommand with argparse
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edited Jun 6 '14 at 14:01
Pigueiras
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answered ...
How to use mod operator in bash?
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Try the following:
for i in {1..600}; do echo wget http://example.com/search/link$(($i % 5)); done
The $(( )) syntax does an arithmetic evaluation of the contents.
share
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Implementing slicing in __getitem__
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answered May 29 '10 at 22:56
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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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 ...
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 ...
Will Dart support the use of existing JavaScript libraries?
...ation ?
– Amit Tomar
Jan 31 '14 at 10:54
2
@AmitTomar the community can't port over all JS librar...
Difference between UIViewContentModeScaleAspectFit and UIViewContentModeScaleToFill?
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EmptyStackEmptyStack
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