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Searching for UUIDs in text with regex
I'm searching for UUIDs in blocks of text using a regex. Currently I'm relying on the assumption that all UUIDs will follow a patttern of 8-4-4-4-12 hexadecimal digits.
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Running a command in a Grunt Task
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@funseiki just put the commands inside a batch or shell which calls the commands in you preferred order. Or you define task e.g. mycmds and write "exec:cmd1", "exec:cmd2" then you also have synchronously order.
– Sebastian
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How to close activity and go back to previous activity in android
...ave described will occur in following two ways:
EITHER
You have set android:noHistory = "true" for MainActivity inside AndroidManifest.xml which causes MainActivity to finish automatically on pressing the back key.
OR
Before switching to your 'SettingsActivity', you have called finish() in your ...
Parsing a JSON string in Ruby
...s looks like JavaScript Object Notation (JSON). You can parse JSON that resides in some variable, e.g. json_string, like so:
require 'json'
JSON.parse(json_string)
If you’re using an older Ruby, you may need to install the json gem.
There are also other implementations of JSON for Ruby that ...
Can you use if/else conditions in CSS?
...nse, but you can use classes for this, if you have access to the HTML. Consider this:
<p class="normal">Text</p>
<p class="active">Text</p>
and in your CSS file:
p.normal {
background-position : 150px 8px;
}
p.active {
background-position : 4px 8px;
}
That's the CS...
What is the zero for string?
... string cannot be nil (but a *string can).
You can simply test
if stringId=="" {
To pass a zero string in stringID, use
k := NewKey(c, "kind", "", 0, p)
From the specification :
When memory is allocated to store a value, either through a
declaration or a call of make or new, and no exp...
How do you set up use HttpOnly cookies in PHP
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For your cookies, see this answer.
For PHP's own session cookie (PHPSESSID, by default), see @richie's answer
The setcookie() and setrawcookie() functions, introduced the httponly parameter, back in the dark ages of PHP 5.2.0, making this nice and easy. Simply set the 7th parameter to true, as ...
How to center an iframe horizontally?
Consider the following example: ( live demo )
11 Answers
11
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Count how many files in directory PHP
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to get rid of the . and .. try this: $files = array_diff( scandir("/dir"), array(".", "..") );
– JKirchartz
Oct 9 '12 at 13:48
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Change all files and folders permissions of a directory to 644/755
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On
https://help.directadmin.com/item.php?id=589 they write:
If you need a quick way to reset your public_html data to 755 for directories and 644 for files, then you can use something like this:
cd /home/user/domains/domain.com/public_html
find . -type d -exec chm...