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How to convert a string to lower case in Bash?
...ous ways:
POSIX standard
tr
$ echo "$a" | tr '[:upper:]' '[:lower:]'
hi all
AWK
$ echo "$a" | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all
sed
$ echo "$a" | sed -e 's/\(.*\)/\L\1/'
hi all
# t...
Removing array item by value
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The most powerful solution would be using array_filter, which allows you to define your own filtering function.
But some might say it's a bit overkill, in your situation...
A simple foreach loop to go trough the array and remove the item you don't want should be enough.
Something lik...
Deny access to one specific folder in .htaccess
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Create site/includes/.htaccess file and add this line:
Deny from all
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How do I install imagemagick with homebrew?
...nough to brew install Imagemagick. You have to also PECL install it so the PHP module is loaded.
From this SO answer:
brew install php
brew install imagemagick
brew install pkg-config
pecl install imagick
And you may need to sudo apachectl restart. Then check your phpinfo() within a simple php s...
XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12
...RVER)" also uses port 80 and so it should be stopped if MS-SQL sever is insalled on your machine.
– johnkarka
Nov 21 '15 at 12:01
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Detecting iOS / Android Operating system
... @feeela sometimes the feature is something like being able to install apks, which isn't possible to detect.
– Daniel Lubarov
Mar 7 '16 at 21:11
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When should I use a trailing slash in my URL?
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In my personal opinion trailing slashes are misused.
Basically the URL format came from the same UNIX format of files and folders, later on, on DOS systems, and finally, adapted for the web.
A typical URL for this book on a Unix-like operating system would be a file path such as...
How to get random value out of an array?
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Since PHP 7.1, array_rand() uses the Mersenne Twister generator: rand() aliased to mt_rand() and srand() aliased to mt_srand(). In practice it should now be good enough.
– Gras Double
Jun 29 '...
Biggest differences of Thrift vs Protocol Buffers?
...tter documentation/examples
Thrift has a builtin Set type
Protocol Buffers allow "extensions" - you can extend an external proto to add extra fields, while still allowing external code to operate on the values. There is no way to do this in Thrift
I find Protocol Buffers much easier to read
Basica...
Force to open “Save As…” popup open at text link click for PDF in HTML
... the time of this comment, I've tested it on Chrome, Opera, Edge, Mozilla. All latest. Is working on all except on Mozilla.
– S.I.
Sep 29 '17 at 5:07
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