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Crop MP3 to first 30 seconds
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I also recommend ffmpeg, but the command line suggested by John Boker has an unintended side effect: it re-encodes the file to the default bitrate (which is 64 kb/s in the version I have here at least). This might give your customers a false impression of the qu...
Pass request headers in a jQuery AJAX GET call
...xhr.setRequestHeader('X-Test-Header', 'test-value');} works well in chrome and firefox but not in IE8. there is no X-Test-Header send. how to fix it? Thx
– user1940268
Jan 31 '15 at 0:01
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How do I make JavaScript beep?
...directly in JavaScript. You'll need to embed a short WAV file in the HTML, and then play that via code.
An Example:
<script>
function PlaySound(soundObj) {
var sound = document.getElementById(soundObj);
sound.Play();
}
</script>
<embed src="success.wav" autostart="false" width=...
Using psql how do I list extensions installed in a database?
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@SoichiHayashi \dx is a psql command which was introduced with 9.0 when the create extension feature was released. So yes, you need to upgrade your psql as well (you should always use the psql version that matches your DB version)
– a_h...
How to add target=“_blank” to JavaScript window.location?
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@BenRacicot well yes, popups are blocked by default and most people don't change that
– twinlakes
Nov 5 '15 at 0:11
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Why Android Studio says “Waiting For Debugger” if am NOT debugging?
I am working with Android Studio. Since last night, when I Run my project on my device, appear the message "Waiting For Debugger". It is a very strange behavior because I am not debugging application.
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How to execute ipdb.set_trace() at will while running pytest tests
...my_test.py --pdb --pdbcls=IPython.terminal.debugger:Pdb
From the help command:
pytest -h
--pdb start the interactive Python debugger on errors.
--pdbcls=modulename:classname
start a custom interactive Python debugger on errors.
Fo...
How can I create an Asynchronous function in Javascript?
...iscussing this with a friend yesterday so this answer is perfect! I understand and can identify the async functions and use them in JS properly. But simply why can't we implement custom ones is not clear to me. It's like a black box that we know how make it work (using, say, setInterval) but that we...
How to run travis-ci locally
I've just joined a project, and I'm new to travis-ci. I'd rather not have to push every little change to .travis.yml and every little change I make to the source in order to run the build. With jenkins you can download jenkins and run locally. Does travis offer something like this?
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How can I check the size of a collection within a Django template?
... |length I always get confused with jinja templating in Flask and with django. Thanks for the information. Really helpful.
– Doogle
Jul 29 '18 at 9:42
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