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Rearrange columns using cut
...y ranges separated by commas. Selected input is written
in the same order that it is read, and is written exactly once.
It reaches field 1 first, so that is printed, followed by field 2.
Use awk instead:
awk '{ print $2 " " $1}' file.txt
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Duplicating a MySQL table, indices, and data
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Note: This won't copy the AUTO_INCREMENT value.
– Matt Janssen
Nov 2 '17 at 20:11
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Remove Item from ArrayList
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In this specific case, you should remove the elements in descending order. First index 5, then 3, then 1. This will remove the elements from the list without undesirable side effects.
for (int j = i.length-1; j >= 0; j--) {
list.remove(i[j]);
}
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How to clone a Date object?
...ssigning a Date variable to another one will copy the reference to the same instance. This means that changing one will change the other.
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How can I connect to MySQL in Python 3 on Windows?
...onal C speedups
https://pypi.python.org/pypi/mysqlclient
Django's recommended library.
Friendly fork of the original MySQLdb, hopes to merge back some day
The fastest implementation, as it is C based.
The most compatible with MySQLdb, as it is a fork
Debian and Ubuntu use it to provide both pyth...
How to change a Git remote on Heroku
...ou're working on the heroku remote (default):
heroku git:remote -a [app name]
If you want to specify a different remote, use the -r argument:
heroku git:remote -a [app name] -r [remote]
EDIT: thanks to Алексей Володько For pointing it out that there's no need to delete the old...
What open source C++ static analysis tools are available? [closed]
Java has some very good open source static analysis tools such as FindBugs , Checkstyle and PMD . Those tools are easy to use, very helpful, runs on multiple operating systems and free .
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How to access command line arguments of the caller inside a function?
... to write a function in bash that will access the scripts command line arguments, but they are replaced with the positional arguments to the function. Is there any way for the function to access the command line arguments if they aren't passed in explicitly?
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JFrame in full screen Java
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Add:
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
frame.setUndecorated(true);
frame.setVisible(true);
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Create an array with same element repeated multiple times
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