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How do you loop through each line in a text file using a windows batch file?
...t has two limitations.
It drops empty lines and lines beginning with ;
To read lines of any content, you need the delayed expansion toggling technic.
@echo off
SETLOCAL DisableDelayedExpansion
FOR /F "usebackq delims=" %%a in (`"findstr /n ^^ text.txt"`) do (
set "var=%%a"
SETLOCAL Enabl...
Installing Java 7 on Ubuntu
...
sudo apt-get update
sudo apt-get install openjdk-7-jdk
and if you already have other JDK versions installed
sudo update-alternatives --config java
then select the Java 7 version.
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How to wait for a keypress in R?
...
As someone already wrote in a comment, you don't have to use the cat before readline(). Simply write:
readline(prompt="Press [enter] to continue")
If you don't want to assign it to a variable and don't want a return printed in the cons...
“The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate
...
or just add it to what's already there... System.Net.ServicePointManager.SecurityProtocol |= SecurityProtocolType.Tls12;
– uosjead
Sep 19 '18 at 14:30
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Why can I not push_back a unique_ptr into a vector?
...4 ) );
See using unique_ptr with standard library containers for further reading.
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How do I include a pipe | in my linux find -exec command?
...o of jar files
find /usr/lib/eclipse/plugins -type f -name \*.jar | while read jar; do echo $jar; jar tf $jar | fgrep IObservableList ; done
the key point being that the while loop contains multiple commands referencing the passed in file name separated by semicolon and these commands can include...
LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
...and using the appropriate one, depending on the expected results, improves readability.
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How can I pretty-print JSON in a shell script?
Is there a (Unix) shell script to format JSON in human-readable form?
55 Answers
55
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“git diff” does nothing
...entation for more details. In particular, scroll down to the examples, and read this section:
$ git diff # (1)
$ git diff --cached # (2)
$ git diff HEAD # (3)
Diff the working copy with the index
Diff the index with HEAD
Diff the working copy with HEAD
Outside your workspac...
Calculating distance between two points, using latitude longitude?
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Future readers who stumble upon this SOF article.
Obviously, the question was asked in 2010 and its now 2019.
But it comes up early in an internet search. The original question does not discount use of third-party-library (when I ...