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What is the Simplest Way to Reverse an ArrayList?
...dd elements to ArrayList object
aList.add("1");
aList.add("2");
aList.add("3");
aList.add("4");
aList.add("5");
Collections.reverse(aList);
System.out.println("After Reverse Order, ArrayList Contains : " + aList);
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Converting Integer to String with comma for thousands
I want to convert an Integer 35634646 to have the thousand "," so it should be 35,634,646.
13 Answers
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Web-scraping JavaScript page with Python
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13 Answers
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What do I need to read to understand how git works? [closed]
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36
http://eagain.net/articles/git-for-computer-scientists/
http://www.loria.fr/~molli/pmwiki/uplo...
How do I syntax check a Bash script without running it?
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386
bash -n scriptname
Perhaps an obvious caveat: this validates syntax but won't check if your ...
How to compare strings in Bash
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edited Jan 1 at 13:55
Peter Mortensen
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Is there a method that works like start fragment for result?
...ant to show in the overlay are their own screens and activities. There are 3 parts of the sign-in process and each had their own activity that was called with startActivityForResult().
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How do I remove lines between ListViews on Android?
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934
To remove the separator between items in the same ListView, here is the solution:
getListView(...
Detect if device is iOS
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Detecting iOS
With iOS 13 iPad both User agent and platform strings are changed and differentiating between iPad and MacOS seems possible, so all answers below needs to take that into account now.
This might be the shortest alternative that also cov...
Find rows that have the same value on a column in MySQL
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349
This query will give you a list of email addresses and how many times they're used, with the m...