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Returning from a finally block in Java
...you provided are reason enough to not use flow-control from finally.
Even if there's a contrived example where it's "better," consider the developer who has to maintain your code later and who might not be aware of the subtleties. That poor developer might even be you....
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How to convert list of key-value tuples into dictionary?
... answer is that the elements of your list are not what you think they are. If you type myList[0] you will find that the first element of your list is not a two-tuple, e.g. ('A', 1), but rather a 1916-length iterable.
Once you actually have a list in the form you stated in your original question (my...
Rails :dependent => :destroy VS :dependent => :delete_all
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The difference is with the callback.
The :delete_all is made directly in your application and deletes by SQL :
DELETE * FROM users where compagny_id = XXXX
With the :destroy, there is an instantiation of all of your children. ...
kill -3 to get java thread dump
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Yes - at the point in time it is run. You can also specify -l (lowercase L) for a long listing that prints additional lock information
– Joshua McKinnon
Feb 2 '11 at 18:44
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How do you get a directory listing sorted by creation date in python?
...ay to get a list of all files in a directory, sorted by date [created | modified], using python, on a windows machine?
17 A...
Do I cast the result of malloc?
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It adds clutter to the code, casts are not very easy to read (especially if the pointer type is long).
It makes you repeat yourself, which is generally bad.
It can hide an error if you forgot to include <stdlib.h>. This can cause crashes (or, worse, not cause a crash until way later in some ...
Pythonic way to create a long multi-line string
... quotes to start and end them.
s = """ this is a very
long string if I had the
energy to type more and more ..."""
You can use single quotes too (3 of them of course at start and end) and treat the resulting string s just like any other string.
NOTE: Just as with any string, anyt...
How do I clear a search box with an 'x' in bootstrap 3?
... more Javascript for whatever functionality you need, e.g. to hide the 'x' if the input is empty, make Ajax requests and so on. See http://www.bootply.com/121508
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Get distance between two points in canvas
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You can do it with pythagoras theorem
If you have two points (x1, y1) and (x2, y2)
then you can calculate the difference in x and difference in y, lets call them a and b.
var a = x1 - x2;
var b = y1 - y2;
var c = Math.sqrt( a*a + b*b );
// c is the distance
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Determine if an HTML element's content overflows
Can I use JavaScript to check (irrespective of scrollbars) if an HTML element has overflowed its content? For example, a long div with small, fixed size, the overflow property set to visible, and no scrollbars on the element.
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