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How to declare a global variable in JavaScript?
...
With jQuery you can just do this, no matter where the declaration is:
$my_global_var = 'my value';
And will be available everywhere.
I use it for making quick image galleries, when images are spread in different places, like so:
$gallery = $('img');
$current = 0;
$gallery.each(function(i,v){
...
How can I extract a good quality JPEG image from a video file with ffmpeg?
...n 2).
To output a series of images:
ffmpeg -i input.mp4 -qscale:v 2 output_%03d.jpg
See the image muxer documentation for more options involving image outputs.
To output a single image at ~60 seconds duration:
ffmpeg -ss 60 -i input.mp4 -qscale:v 4 -frames:v 1 output.jpg
This will work with any v...
Eclipse Android Plugin — libncurses.so.5
... i do have libncurses5 [root@t520 init.d]# yum install ncurses-libs.x86_64 Loaded plugins: langpacks, presto, refresh-packagekit Setting up Install Process Package ncurses-libs-5.9-2.20110716.fc16.x86_64 already installed and latest version Nothing to do
– amphibient
...
Creating folders inside a GitHub repository without using Git
...ile with the names of other files in it. tldp.org/LDP/intro-linux/html/sect_03_01.html I know it doesn't make sense to Windows folk, but it's true.
– Rick Henderson
Apr 6 '16 at 1:57
...
Color text in terminal applications in UNIX [duplicate]
...[0m", and then printf(KMAG "magenta RESET \n");
– mf_
Jan 7 '14 at 19:41
2
Better yet, puts( KMA...
Opening Android Settings programmatically
... answer:
startActivityForResult(new Intent(android.provider.Settings.ACTION_SETTINGS), 0);
It opens the device settings in the same window, thus got the users of my android application (finnmglas/Launcher) for android stuck in there.
The answer for 2020 and beyond (in Kotlin):
startActivity(Intent(...
How to destroy an object?
...way.
You will need to figure out which is best for you. Also you can use __destruct() for an object which will be called on unset or null but it should be used carefully and like others said, never be called directly!
see:
http://www.stoimen.com/blog/2011/11/14/php-dont-call-the-destructor-expl...
How do I create a simple 'Hello World' module in Magento?
...les named as follows
cd /path/to/store/app
touch etc/modules/MyCompanyName_HelloWorld.xml
<?xml version="1.0"?>
<config>
<modules>
<MyCompanyName_HelloWorld>
<active>true</active>
<codePool>local</codePool>
...
how do I make a single legend for many subplots with matplotlib?
...
There is also a nice function get_legend_handles_labels() you can call on the last axis (if you iterate over them) that would collect everything you need from label= arguments:
handles, labels = ax.get_legend_handles_labels()
fig.legend(handles, labels, loc...
How to get Url Hash (#) from server side
...xample.com/yourDirectory/index.php:
function redirect()
{
if (!empty($_GET['hash'])) {
/** Sanitize & Validate $_GET['hash']
If valid return string
If invalid: return empty or false
******************************************************/
...