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When should I use jQuery's document.ready function?
...cess a dom element (an anchor, an img etc), you will not be able to access it because html is interpreted from top to bottom and your html elements are not present when your jQuery code runs.
To overcome this problem, we place every jQuery/javascript code (which uses DOM) inside $(document).ready f...
How do you parse and process HTML/XML in PHP?
How can one parse HTML/XML and extract information from it?
30 Answers
30
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Copy a stream to avoid “stream has already been operated upon or closed”
I'd like to duplicate a Java 8 stream so that I can deal with it twice. I can collect as a list and get new streams from that;
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How do I “decompile” Java class files? [closed]
... can I use to decompile a class file? Will I actually get Java code, or is it just JVM assembly code?
19 Answers
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Should I use single or double colon notation for pseudo-elements?
... support the single-colon notation (e.g. :after ) for backwards compatibility, should I use solely the single-colon notation and when IE8's market share drops to a negligible level go back and find/replace in my code base? Or should I include both:
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Check if a div exists with jquery [duplicate]
Yes, I know this has been asked a lot.
But, it confuses me, since the results on google for this search show different methods (listed below)
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The name 'InitializeComponent' does not exist in the current context
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I've encountered this a couple times and keep forgetting what causes it.
I ran into this when I renamed the namespace on my code behind file but not in my XAML.
So check if you've done the same.
The namespace and class names need to match since they are both part of a partial class
namesp...
Counting the number of True Booleans in a Python List
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2
This is actually more efficient than sum, as well as being more explicit about the intent, so there's no reason to use sum:
In [1]: import random
In [2]: x = [random.choice([True, False]) for i in range(100)]
In [3]: %timeit x.count(True)
970 ns ± 41.1 ns per loop (mean ± std. dev. of 7 ru...
Why use a prime number in hashCode?
...rge enough prime that the number of buckets is unlikely to be divisible by it (and in fact, modern java HashMap implementations keep the number of buckets to a power of 2).
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Is it safe to push_back an element from the same vector?
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It looks like http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-closed.html#526 addressed this problem (or something very similar to it) as a potential defect in the standard:
1) Parameters taken by const reference can be c...