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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...th access to execution. When you are done, just remove the lock. In script form this might look like:
#!/bin/bash
lockfile -r 0 /tmp/the.lock || exit 1
# Do stuff here
rm -f /tmp/the.lock
share
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What is a message pump?
... this back in .NET programs, the entry point of the UI thread of a Windows Forms or WPF program has the [STAThread] attribute. The apartment model for other threads is set by the Thread.SetApartmentState() method.
Large parts of Windows plumbing won't work correctly if the UI thread is not STA. N...
How to view AndroidManifest.xml from APK file?
...irectory. Inside it you can find the AndroidManifest.xml file in decrypted format, and you can also find other XML files inside the "HelloWorld/res/layout" directory.
Here HelloWorld.apk is your Android APK file.
See the below screen shot for more information:
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What's the fastest way to loop through an array in JavaScript?
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After performing this test with most modern browsers:
https://jsben.ch/wY5fo
Currently, the fastest form of loop (and in my opinion the most syntactically obvious).
A standard for-loop with length caching
var i = 0, len = myArray....
How can I avoid Java code in JSP files, using JSP 2?
...iting business logic. Rather, JSP scriptlets are used if necessary to transform data (also called "value objects") returned from processing the client's requests into a proper client-ready format. Even then, this would be better done with a front controller servlet or a custom tag.
How to replac...
nginx upload client_max_body_size issue
I'm running nginx/ruby-on-rails and I have a simple multipart form to upload files.
Everything works fine until I decide to restrict the maximum size of files I want uploaded.
To do that, I set the nginx client_max_body_size to 1m (1MB) and expect a HTTP 413 (Request Entity Too Large) status in...
Cross-browser custom styling for file upload button [duplicate]
...something else or is another label. Source: html.spec.whatwg.org/multipage/forms.html#the-label-element
– Derek Johnson
Nov 13 '14 at 22:53
2
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How to undo 'git reset'?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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Can jQuery get all CSS styles associated with an element?
..., but I have the solution you're looking for. Not intending to take credit form the original author, here's a plugin which I found works exceptionally well for what you need, but gets all possible styles in all browsers, even IE.
Warning: This code generates a lot of output, and should be used spar...
How to Update Multiple Array Elements in mongodb
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Can we not do this without using Javascript? I want to perform this update directly from a mongo shell without using Javascript API.
– Meliodas
Mar 12 '17 at 5:28
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