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Defining a variable with or without export
...$ ALICE="Alice"; export BOB="Bob"; env | grep "ALICE\|BOB"
BOB=Bob
So, now it should be as clear as is the summer's sun! Thanks to Brain Agnew, alexp, and William Prusell.
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Listing only directories using ls in Bash?
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Alright thanks, I checked for that just now and it turns out that the only directory is the root folder.
– ytpillai
Jul 1 '15 at 0:29
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How to style dt and dd so they are on the same line?
...arth (1 AU) is the largest and densest of the inner planets, the only one known to have current geological activity.</dd>
</dl>
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how does Array.prototype.slice.call() work?
I know it is used to make arguments a real array, but I don't understand what happens when using Array.prototype.slice.call(arguments)
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How do I concatenate two strings in C?
...s not the fastest way to do this, but you shouldn't be worrying about that now. Note that the function returns a block of heap allocated memory to the caller and passes on ownership of that memory. It is the responsibility of the caller to free the memory when it is no longer needed.
Call the funct...
How to amend a commit without changing commit message (reusing the previous one)?
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Why I am not using --no-edit for a decade now?!?! Thank you :-)
– lzap
Sep 9 at 8:52
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A clean, lightweight alternative to Python's twisted? [closed]
...applications. I wouldn't confuse bloat with comprehensiveness.
It's well known that the Twisted documentation isn't the most user-friendly from first glance, and I believe this turns away an unfortunate number of people. But Twisted is amazing (IMHO) if you put in the time. I did and it proved to ...
maximum value of int
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I know it's an old question but maybe someone can use this solution:
int size = 0; // Fill all bits with zero (0)
size = ~size; // Negate all bits, thus all bits are set to one (1)
So far we have -1 as result 'till size is a ...
How to properly create composite primary keys - MYSQL
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Suppose you have already created a table now you can use this query to make composite primary key
alter table employee add primary key(emp_id,emp_name);
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How to implement OnFragmentInteractionListener
...ate for API 23: 8/31/2015
Overrided method onAttach(Activity activity) is now deprecated in android.app.Fragment, code should be upgraded to onAttach(Context context)
@Override
public void onAttach(Context context) {
super.onAttach(context);
}
@Override
public void onStart() {
super.onSt...