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Shell - Write variable contents to a file
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Use the echo command:
var="text to append";
destdir=/some/directory/path/filename
if [ -f "$destdir" ]
then
echo "$var" > "$destdir"
fi
The if tests that $destdir represents a file.
The > appends the text after truncating ...
HTML5 Email Validation
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The input type=email page of the www.w3.org site notes that an email address is any string which matches the following regular expression:
/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/
Use the required attribute and a patter...
top -c command in linux to filter processes listed based on processname
... is any easy way to filter the processes based on processname listed under COMMAND column of the top output.
9 Answers
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vs vs for inline and block code snippets
...is current, and has much more control if you wish.
– www-0av-Com
Mar 19 '18 at 20:20
@user1863152 - it's a very bad us...
Batch script: how to check for admin rights
...r everything except Windows 8. Running AT on Windows 8 results in:
The AT command has been deprecated. Please use schtasks.exe instead.
The request is not supported.
(see screenshot #1) and will return %errorLevel% 1.
Research
So, I went searching for other commands that require elevated p...
pandas: How do I split text in a column into multiple rows?
I'm working with a large csv file and the next to last column has a string of text that I want to split by a specific delimiter. I was wondering if there is a simple way to do this using pandas or python?
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multiprocessing: How do I share a dict among multiple processes?
A program that creates several processes that work on a join-able queue, Q , and may eventually manipulate a global dictionary D to store results. (so each child process may use D to store its result and also see what results the other child processes are producing)
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WAMP/XAMPP is responding very slow over localhost
I don't know what the problem is. WAMP was very slow, so I reformatted my computer and installed WAMP. Still, accessing localhost is very, very slow, and sometimes it doesn't even load at all. I even removed it and replaced it with XAMPP, but I still got the same result. What might possibly be the p...
Running Selenium WebDriver python bindings in chrome
... selenium import webdriver
driver = webdriver.Chrome()
driver.get("http://www.google.com")
print driver.page_source.encode('utf-8')
driver.quit()
display.stop()
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class
...y. It has a Singleton Module just as an FYI.
This is pretty good.
https://www.youtube.com/watch?v=i4uiyWA8eFk
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