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Get a random item from a JavaScript array [duplicate]
...tra fun, the array return is generated by calling the function recursively based on the array's length :)
Working demo at http://jsfiddle.net/2eyQX/
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How to replace spaces in file names using a bash script
... # do the directories first
find -name "* *" -type f | rename 's/ /_/g'
Based on Jürgen's answer and able to handle multiple layers of files and directories in a single bound using the "Revision 1.5 1998/12/18 16:16:31 rmb1" version of /usr/bin/rename (a Perl script):
find /tmp/ -depth -name ...
How to get past the login page with Wget?
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Based on the manual page:
# Log in to the server. This only needs to be done once.
wget --save-cookies cookies.txt \
--keep-session-cookies \
--post-data 'user=foo&password=bar' \
--delete-after \
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Is there a method for String conversion to Title Case?
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If I may submit my take on the solution...
The following method is based on the one that dfa posted. It makes the following major change (which is suited to the solution I needed at the time): it forces all characters in the input string into lower case unless it is immediately preceded by...
Change Name of Import in Java, or import two classes with the same name
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It's quite annoying to see that (at least) 3 JVM-based languages (Groovy, Scala & Kotlin) have this feature but Java itself still doesn't ...
– Matthias
Feb 7 '18 at 14:31
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Ruby / Rails - Change the timezone of a Time, without changing the value
I have a record foo in the database which has :start_time and :timezone attributes.
11 Answers
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Check if image exists on server using JavaScript?
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If anyone comes to this page looking to do this in a React-based client, you can do something like the below, which was an answer original provided by Sophia Alpert of the React team here
getInitialState: function(event) {
return {image: "http://example.com/primary_image.jpg"};
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String slugification in Python
... best way to "slugify" string what "slug" is , and my current solution is based on this recipe
10 Answers
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How do I split a string into an array of characters? [duplicate]
...is:
https://github.com/orling/grapheme-splitter
It does proper standards-based letter split in all the hundreds of exotic edge-cases - yes, there are that many.
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How can I select an element with multiple classes in jQuery?
...efficient if you have already found .a's and need to filter multiple times based different arbitrary classes that also belong to the original .a set.
– Qix - MONICA WAS MISTREATED
Mar 12 '14 at 21:50
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