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How do I grep for all non-ASCII characters?
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You can use the command:
grep --color='auto' -P -n "[\x80-\xFF]" file.xml
This will give you the line number, and will highlight non-ascii chars in red.
In some systems, depending on your settings, the above will not work, so you can grep by the inv...
Delete with Join in MySQL
Here is the script to create my tables:
13 Answers
13
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Apply CSS Style to child elements
I want to apply styles only to the table inside the DIV with a particular class:
8 Answers
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What is the difference between DSA and RSA?
It appears they are both encryption algorithms that require public and private keys. Why would I pick one versus the other to provide encryption in my client server application?
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What encoding/code page is cmd.exe using?
When I open cmd.exe in Windows, what encoding is it using?
6 Answers
6
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NOT IN vs NOT EXISTS
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I always default to NOT EXISTS.
The execution plans may be the same at the moment but if either column is altered in the future to allow NULLs the NOT IN version will need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if ...
Select element by exact match of its content
...s() jQuery's selector to select elements with only the string that is typed in
8 Answers
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How to create a database from shell command?
I'm looking for something like createdb in PostgreSQL or any other solution that would allow me to create database with a help of a shell command. Any hints?
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Retrieve database or any other file from the Internal Storage using run-as
...the data folder containing the database using the run-as command with my package name. Most files types I am content with just viewing, but with the database I would like to pull if from the android device.
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How do I import an SQL file using the command line in MySQL?
I have a .sql file with an export from phpMyAdmin . I want to import it into a different server using the command line.
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