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Shell script - remove first and last quote (") from a variable
Below is the snippet of a shell script from a larger script. It removes the quotes from the string that is held by a variable. I am doing it using sed, but is it efficient? If not, then what is the efficient way?
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Determining the current foreground application from a background task or service
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With regards to "2. How my background application can know what the application currently running in the foreground is."
Do NOT use the getRunningAppProcesses() method as this returns all sorts of system rubbish from my expe...
How to calculate “time ago” in Java?
...is a feature that allows you to take any Date and print out how "long ago" it was.
30 Answers
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Recursively list files in Java
...st all files under a directory in Java? Does the framework provide any utility?
26 Answers
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Finish all previous activities
...ent(getApplicationContext(), Home.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
This will clear all the activities on top of home.
Assuming you are finishing the login screen when the user logs in and home is created and afterwards all the screens from 1 to 5 on...
Multiple Updates in MySQL
...serted. what should id do? because i am fetching information from another site which maintains tables with id's. I am inserting values with respect to that id. if the site has new records then i will end up inserting only the ids and count except all other information. if and only if there is an ent...
OOP vs Functional Programming vs Procedural [closed]
...the differences between these programming paradigms, and are they better suited to particular problems or do any use-cases favour one over the others?
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JavaScript global event mechanism
...ery undefined function error thrown. Is there a global error handling facility in JavaScript? The use case is catching function calls from flash that are not defined.
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Unpacking, extended unpacking and nested extended unpacking
..., but I decided to opt for completeness.
Once you know a few basic rules, it's not hard to generalize them. I'll do my best to explain with a few examples. Since you're talking about evaluating these "by hand," I'll suggest some simple substitution rules. Basically, you might find it easier to unde...
Django MEDIA_URL and MEDIA_ROOT
...m trying to upload an image via the Django admin and then view that image either in a page on the frontend or just via a URL.
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