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How to find keys of a hash?
I know in javascript Objects double as hashes but i have been unable to find a built in function to get the keys
9 Answers...
How to get HTTP Response Code using Selenium WebDriver
...PageSource( ), but be carefully because usually there are several side javascript requests that can alter the Dom. You can wait for some element of your page to be present in the dom and then get the page source. Another scenario is with frames. If you you have frames you have to switch to the frame...
How can I match a string with a regex in Bash?
I am trying to write a bash script that contains a function so when given a .tar , .tar.bz2 , .tar.gz etc. file it uses tar with the relevant switches to decompress the file.
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MySQL Cannot Add Foreign Key Constraint
...ase I made a migration (booked 2.5.14 to bookd 2.7.2), where the migration script did not change the database engine, so when creating new tables I got this error.
– Bernhard
Nov 21 '18 at 12:54
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How to export query result to csv in Oracle SQL Developer?
...Method 1
Add the comment /*csv*/ to your SQL query and run the query as a script (using F5 or the 2nd execution button on the worksheet toolbar)
That's it.
Method 2
Run a query
Right click and select unload.
Update. In Sql Developer Version 3.0.04 unload has been changed to export
Thanks ...
How to get URI from an asset File?
... @ShylendraMadda, I know filename only. Can we load it with script without knowing actual uri
– binrebin
May 29 at 17:32
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How can I put a database under git (version control)?
... Liguibase's best practices recommend keeping schema creation scripts as a set of sequential scripts to be ran in order. While this is a good best practice I don't see how it would works without a central repository, which is un-GIT.
– Frank Schwieterman
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Creating hidden arguments with Python argparse
...hon argparse.ArgumentParser without it showing up in the usage or help ( script.py --help )?
2 Answers
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Make .gitignore ignore everything except a few files
...ns sources.
# Ignore everything
*
# But not these files...
!.gitignore
!script.pl
!template.latex
# etc...
# ...even if they are in subdirectories
!*/
# if the files to be tracked are in subdirectories
!*/a/b/file1.txt
!*/a/b/c/*
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How to mkdir only if a directory does not already exist?
I am writing a shell script to run under the KornShell (ksh) on AIX. I would like to use the mkdir command to create a directory. But the directory may already exist, in which case I do not want to do anything. So I want to either test to see that the directory does not exist, or suppress the "Fil...