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How can I sort arrays and data in PHP?
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What does [:] mean?
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It is an example of slice notation, and what it does depends on the type of population. If po...
HMAC-SHA1 in bash
Is there a bash script to generate a HMAC-SHA1 hash?
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How to resolve symbolic links in a shell script
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How do you run a command for each line of a file?
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Read a file line by line and execute commands: 4 answers
This is because there is not only 1 ...
List All Redis Databases
...atabases is fixed, and set in the configuration file. By default, you have 16 databases. Each database is identified by a number (not a name).
You can use the following command to know the number of databases:
CONFIG GET databases
1) "databases"
2) "16"
You can use the following command to list ...
SVN undo delete before commit
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svn revert deletedDirectory
Here's the documentation for the svn revert command.
EDIT
If dele...
Efficiently updating database using SQLAlchemy ORM
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SQLAlchemy's ORM is meant to be used together with the SQL layer, not hide it. But you do have...
Iterate a list with indexes in Python
...ar I've seen the function (or method) that takes a list, like this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
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Can I query MongoDB ObjectId by date?
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