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How to check if a file contains a specific string using Bash
...s if the exit code was non-0. If any error happens, like the file can't be read, the exit code is also non-0. So you have to do something like ec=$?, and check if it's 0 (found), then if it's 1 (not found), and then if it's something else (fail).
– ddekany
Jun ...
On Duplicate Key Update same as insert
...d you need to update it in any case?
For eg. if your columns a to g are already set as 2 to 8; there would be no need to re-update it.
Alternatively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (1,2,3,4,5,6,7,8)
ON DUPLICATE KEY
UPDATE a=a, b=b, c=c, d=d, e=e, f=f, g=g;
To get...
What's the fastest way to delete a large folder in Windows?
...the parameters used above:
/f - Force (i.e. delete files even if they're read only)
/s - Recursive / Include Subfolders (this definition from SS64, as technet simply states "specified files", which isn't helpful).
/q - Quiet (i.e. do not prompt user for confirmation)
Documentation for rmdir here...
SSH Key - Still asking for password and passphrase
... not persist between sessions/restarts of my Mac.
What I found out from reading this OpenRadar and this Twitter discussion was that Apple purposely changed the behaviour for ssh-agent in macOS 10.12 Sierra to no longer automatically load the previous SSH keys. In order to maintain the same behavi...
C# Lazy Loaded Automatic Properties
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This answer reads more like a pitch for Expression Bodied Auto-Properties.
– Little Endian
Sep 8 '18 at 16:25
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Add st, nd, rd and th (ordinal) suffix to a number
... @Anomaly funnily enough, after ~π/2 years later I can still read it.
– Camilo Martin
Mar 10 '18 at 6:22
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show 6 more comment...
Using Case/Switch and GetType to determine the object [duplicate]
.....' is not, in fact, code. I could see an argument for making it easier to read, though. The indentation however... I don't know how you can call it 'fixing', just because it's how you like it now. I don't see any StackOverflow guidelines for how to indent code. There's a whole variety of styles in ...
Default value in Doctrine
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Update
One more reason why read the documentation for Symfony will never go out of trend. There is a simple solution for my specific case and is to set the field type option empty_data to a default value.
Again, this solution is only for the scenario ...
How do I tell if a regular file does not exist in Bash?
... file exists and regular file -r: Return true value, if file exists and is readable -w: Return true value, if file exists and is writable -x: Return true value, if file exists and is executable -d: Return true value, if exists and is a directory
– SD.
Dec 19 '...
Tools to search for strings inside files without indexing [closed]
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This is a great util, but it seems it can't read Cyrillic characters in file names. For example: FINDSTR: Cannot open ???????????.txt
– Artem Russakovskii
Feb 16 '19 at 19:36
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