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How to change the output color of echo in Linux
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It may be more convenient to insert tput's output directly into your echo strings using command substitution:
echo "$(tput setaf 1)Red text $(tput setab 7)and white background$(tput sgr 0)"
Example
The above command produces this on Ubuntu:
Foreground & background colour commands
tp...
What is the difference between MediaPlayer and VideoView in Android
...e most appropriate app for playing the video, which is even easier to do:
String url = "rtsp://yourrtsplink.com/blah";
Uri uri = Uri.parse(url);
startActivity(new Intent(Intent.ACTION_VIEW, uri));
Video should be tested on a device, since emulator playback is poor, and you should also be aware th...
How to update two tables in one statement in SQL Server 2005?
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Gosh! I should use the Sorry word more often for extra kudos :P
– Fandango68
Mar 12 '18 at 5:43
add a comment
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String concatenation vs. string substitution in Python
In Python, the where and when of using string concatenation versus string substitution eludes me. As the string concatenation has seen large boosts in performance, is this (becoming more) a stylistic decision rather than a practical one?
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How do I check if a given string is a legal/valid file name under Windows?
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This does not answer the question; there are many strings consisting only of valid characters (e.g. "....", "CON", strings hundreds of chars long) that are not valid filenames.
– Dour High Arch
Jul 21 '13 at 17:57
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Remove all unused resources from an android project
I want to remove all unused layouts, strings, drawables, colors, etc from my Android res directory. Are there any tools that will give me a list of files and I can remove from my repository and elements within specifics files (e.g. unused string entries) that are no longer used?
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Extract part of a regex match
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Use ( ) in regexp and group(1) in python to retrieve the captured string (re.search will return None if it doesn't find the result, so don't use group() directly):
title_search = re.search('<title>(.*)</title>', html, re.IGNORECASE)
if title_search:
title = title_search.gr...
Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety
... search for packages on Ubuntu/Debian based systems:
apt-cache search <string>
e.g:
apt-cache search freetype | grep dev
Redhat/CentOS/Fedora:
yum -y install freetype-devel
To search for packages on Redhat/CentOS/Fedora based systems:
yum search <string>
e.g:
yum search fr...
Instagram how to get my user id from username?
...orking (but its not public endpoint anymore), you must send a request with extra information to that endpoint. (Press F12 to open developer toolbar, then click to Network Tab and trace the request.)
Sorry because I'm too busy. Hope this information help you guys.
Hmm, feel free to give me a down-v...
How to check that a string is a palindrome using regular expressions?
... all palindromes. The proof relies on the facts that we can easily build a string that requires an arbitrarily large number of nodes, namely the string
a^x b a^x (eg., aba, aabaa, aaabaaa, aaaabaaaa, ....)
where a^x is a repeated x times. This requires at least x nodes because, after seeing the 'b...