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Split output of command by columns using Bash?
...h is to use the shell variable IFS which defaults to a space, to split the string into an array. It only works in Bash though. Dash and Ash do not support it. I have had a really hard time splitting a string into components in a Busybox thing. It is easy enough to get a single component (e.g. using ...
How to have an auto incrementing version number (Visual Studio)? [duplicate]
... .AddDays(version.Build).AddSeconds(version.Revision * 2);
string displayableVersion = $"{version} ({buildDate})";
Three important gotchas that you should know
From @ashes999:
It's also worth noting that if both AssemblyVersion and AssemblyFileVersion are specified, you won't see...
Is there a Java equivalent to C#'s 'yield' keyword?
... System.out.println("some work");
}
public static void main(String[] args) {
Stream.iterate(1, x -> x + 1).limit(15).forEach(Test01::myFoo); //var1
Stream.iterate(1, x -> x + 1).limit(10).forEach(item -> myFoo2()); //var2
}
}
...
How do I programmatically change file permissions?
...issions using EnumSet.of(), but the helper method PosixFilePermissions.fromString() will uses a conventional format that will be more readable to many developers. For APIs that accept a FileAttribute, you can wrap the set of permissions with with PosixFilePermissions.asFileAttribute().
Set<Posix...
What is WebKit and how is it related to CSS?
...sed up today, you'll have to read this:
http://webaim.org/blog/user-agent-string-history/
It gives a good idea of how gecko, webkit and other major rendering engines evolved and what led to the current state of messed up user-agent strings.
Quoting the last paragraph for TL;DR purposes:
And t...
what is the difference between ?:, ?! and ?= in regex?
...om the lookahead must be discarded, so the engine steps back from i in the string to u. The lookahead was successful, so the engine continues with i. But i cannot match u. So this match attempt fails.
Let's apply q(?=u)u to quit. The lookahead is positive and is followed by another token. Again, q...
How do I use Ruby for shell scripting?
....basename('dir/file.txt') #=> 'file.txt'
File.join('a', 'bunch', 'of', 'strings') #=> 'a/bunch/of/strings'
__FILE__ #=> the name of the current file
Also useful from the stdlib is FileUtils
require 'fileutils' #I know, no underscore is not ruby-like
include FileUtils
# Gives you access ...
Real-world examples of recursion [closed]
...ntentAnalyserOne implements DirectoryContentAnalyser {
private static StringBuilder indentation = new StringBuilder();
public static void main (String args [] ){
// Here you pass the path to the directory to be scanned
getDirectoryContent("C:\\DirOne\\DirTwo\\AndSoOn");
...
PowerShell: Store Entire Text File Contents in Variable
...st.txt") appears to do the same thing as $content = (gc ".\test.txt" | out-string). Since the second of the two is shorter, that's what I prefer. Unfortunately, neither of the methods you provided for calculating the total number of lines takes trailing blank lines into consideration. Any other ide...
How to create an empty file at the command line in Windows?
...ll cause the
variable used to remain unchanged. As usual with set/p, the string to the
right of the equal sign is displayed as a prompt with no CRLF.
Since here the "string to the right of the equal sign" is empty... the result is an empty file.
The difference with cd. > filename (which...