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“Comparison method violates its general contract!”
... of the library to detect this and let you know, rather than behave erratically.
One way to satisfy the transitivity requirement in compareParents() is to traverse the getParent() chain instead of only looking at the immediate ancestor.
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Make a link open a new window (not tab) [duplicate]
... @JeanGkol I rewrote my answer to clarify the issue. Technically, it is working, because it opens a new browsing context (like it is supposed to do). The problem is, that in modern browsers "browsing context" is a tab instead of a window (you can change this in the settings though).
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In Scala how do I remove duplicates from a list?
...e part of the file name of interest. Once the map is constructed, you can call the values method to get an Iterable of values--the keys will all be distinct by construction.
– Kipton Barros
Dec 19 '12 at 19:47
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Cast Double to Integer in Java
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just call intValue() then.
– hvgotcodes
Feb 1 '12 at 19:58
6
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Converting a list to a set changes element order
...ct.fromkeys(x for x in a if x not in b)
{2: None, 210: None}
b doesn't really need to be ordered here – you could use a set as well. Note that a.keys() - b.keys() returns the set difference as a set, so it won't preserve the insertion order.
In older versions of Python, you can use collections....
Migration: Cannot add foreign key constraint
...signed();
$table->string('priority_name');
$table->smallInteger('rank');
$table->text('class');
$table->timestamps('timecreated');
});
Schema::table('priorities', function($table) {
$table->foreign('user_id')->references('id')->on('...
Get the real width and height of an image with JavaScript? (in Safari/Chrome)
...eady finished downloading. If the image is not cached or if this code is called before window.onload, a height/width of 0 might be returned. In any case, I've integrated FDisk's idea into the solution above.
– Xavi
Feb 10 '11 at 2:26
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In Python, how do I iterate over a dictionary in sorted key order?
...ems() creates a list and therefore uses memory, whereas iteritems() essentially does not use memory. What to use mostly depend on the size of the dictionary. Furthermore, the automatic Python 2 to Python 3 conversion tool (2to3) automatically takes care of the conversion from iteritems() to items(),...
Is it possible to simulate key press events programmatically?
Is it possible to simulate key press events programmatically in JavaScript?
23 Answers
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Is it possible to make a Tree View with Angular?
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I was really tired of people constantly commenting on this that the URL has my name in it ( and therefore it is plagiarism! ). That is unfortunately how jsfiddle works. If you fork something while you are logged in it retains your us...