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How do I get the directory that a program is running from?
...).
Since you are creating a C program it will link with the default c run time library which is linked to by ALL processes in the system (specially crafted exceptions avoided) and it will include this function by default. The CRT is never considered an external library because that provides the bas...
Get Substring - everything before certain char
I'm trying to figure out the best way to get everything before the - character in a string. Some example strings are below. The length of the string before - varies and can be any length
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How to empty (“truncate”) a file on linux that already exists and is protected in someway?
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truncate also touches the file's modification time - while ">file" does not touch if if the file is unchanged.
– dsteinkopf
Mar 17 '17 at 21:11
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Regular expression to extract text between square brackets
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@KunalMukherjee: No, the regex can match any number of times. But some regex flavors needs to be told explicitly to apply the regex repeatedly (for example, by using the /g flag in JavaScript).
– Tim Pietzcker
Dec 8 '17 at 15:30
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What is a 'Closure'?
...s may have changed or may no longer exist. Closure gives you a reliable runtime environment.
– superluminary
Jan 4 '19 at 12:25
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Error in plot.new() : figure margins too large, Scatter plot
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Every time you are creating plots you might get this error - "Error in plot.new() : figure margins too large". To avoid such errors you can first check par("mar") output. You should be getting:
[1] 5.1 4.1 4.1 2.1
To change th...
Alter a MySQL column to be AUTO_INCREMENT
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+1. Primary key required if not defined at the time of table creation.
– user966588
Apr 13 '12 at 9:07
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Detect if stdin is a terminal or pipe?
When I execute " python " from the terminal with no arguments it brings up the Python interactive shell.
6 Answers
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How to read the value of a private field from a different class in Java?
...en made accessible via missing out the f.setAccessible(true) line.
The RuntimeExceptions which may be thrown are either SecurityExceptions (if the JVM's SecurityManager will not allow you to change a field's accessibility), or IllegalArgumentExceptions, if you try and access the field on an object ...
How to create new tmux session if none exists
I am trying to figure out how to attach to a tmux session if a named tmux session exists, if not I want to create a new one with the given name.
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