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Difference between String replace() and replaceAll()
... to java docs, each call to str.replaceAll(regex, repl) is same as Pattern.compile(regex).matcher(str).replaceAll(repl). So there is a big overhead depending on how much it's used.
– user845279
May 31 '12 at 5:31
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How do I disable “missing docstring” warnings at a file-level in Pylint?
...t provides, examples of how to use the classes. This is different from the comments that you often see at the beginning of a file giving the copyright and license information, which IMO should not go in the docstring (some even argue that they should disappear altogether, see eg. http://hackerboss.c...
Converting a list to a set changes element order
...ements while preserving the order of the list, you can do this with a list comprehension:
>>> a = [1, 2, 20, 6, 210]
>>> b = set([6, 20, 1])
>>> [x for x in a if x not in b]
[2, 210]
If you need a data structure that supports both fast membership tests and preservation ...
Get the real width and height of an image with JavaScript? (in Safari/Chrome)
...idth property after the image is loaded. Instead of using timeouts, I'd recommend using an image's onload event. Here's a quick example:
var img = $("img")[0]; // Get my img elem
var pic_real_width, pic_real_height;
$("<img/>") // Make in memory copy of image to avoid css issues
.attr("...
java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare();
...
Please don't post followup questions as comments. Comments are for talking about the question at the top, and the fitness of how well my answer answers that. It is important we follow the rules. Everyone following the rules is what keeps stackoverflow great, and...
list.clear() vs list = new ArrayList(); [duplicate]
... is lower, it might be faster to make a new ArrayList.
http://www.docjar.com/html/api/java/util/ArrayList.java.html
public void clear() {
modCount++;
// Let gc do its work
for (int i = 0; i < size; i++)
elementData[i] = null;
size = 0;
}
...
Can anyone explain this strange behavior with signed floats in C#?
Here is the example with comments:
11 Answers
11
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Android: How can I validate EditText input?
... edited May 23 '17 at 11:47
Community♦
111 silver badge
answered May 18 '10 at 9:28
NiksNiks
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How to find an available port?
... Apr 20 '10 at 13:24
Graham EdgecombeGraham Edgecombe
3,45311 gold badge1717 silver badges1212 bronze badges
...