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Internal vs. Private Access Modifiers
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@Dan, thoroughly agree. It might be helpful to read and think of protected internal asprotected OR internal.
– chessofnerd
Sep 9 '16 at 14:35
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Replace a character at a specific index in a string?
...ate a string, consider StringBuilder or StringBuffer in case you require thread safety.
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How to do something to each file in a directory with a batch script
...f needed after the for? According to the help docs, the /f flag opens and reads each file. Is that needed to echo or rename files?
– Snekse
Jun 25 '12 at 2:33
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How to find all the tables in MySQL with specific column names in them?
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Shouldn't that read either: like '%wild%' or = 'wild' instead of like 'wild'?
– Uncle Iroh
Sep 23 '16 at 21:16
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gem install: Failed to build gem native extension (can't find header files)
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For anyone reading this in 2015: if you happened to install the package ruby2.0, you need to install the matching ruby2.0-dev to get the appropriate Ruby headers. The same goes for ruby2.1 and ruby2.2, etc. For example:
$ sudo apt-get ...
How to unload a package without restarting R
...ageToUnload", unload=TRUE) command being executed and is no different to already proposed solution.
– Konrad
Jan 10 '17 at 13:14
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Transferring an app to another Firebase account
...rstand that I am effectively granting **<new owner’s email>** full read and write access to all stored data for this instance.
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Keep SSH session alive [closed]
...g, create the file if it does not exist (the config file must not be world-readable, so run chmod 600 ~/.ssh/config after creating the file). To send the signal every e.g. four minutes (240 seconds) to the remote host, put the following in that configuration file:
Host remotehost
HostName remot...
How to test if parameters exist in rails
...e].present?
Just because it keeps the params[sym] form so it's easier to read.
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How to kill all processes matching a name?
...Cerin that's because it's trying to kill the grep process as well, which already finished. It should be fine.
– Costi Muraru
Jun 18 '14 at 23:47
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