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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...
Algorithm for Determining Tic Tac Toe Game Over
I've written a game of tic-tac-toe in Java, and my current method of determining the end of the game accounts for the following possible scenarios for the game being over:
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Why is creating a new process more expensive on Windows than Linux?
... Linux. Is this true? Can somebody explain the technical reasons for why it's more expensive and provide any historical reasons for the design decisions behind those reasons?
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When to use a key/value store such as Redis instead/along side of a SQL database?
...s about key/value stores such as Redis but I can't seem to figure out when it's time to use it in an application.
4 Answers...
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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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...
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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Linq style “For Each” [duplicate]
...ult as the above use of ToList, but is (in theory) more efficient, because it streams the values directly to the delegate.
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Postgresql: Scripting psql execution with password
How can I call psql so that it doesn't prompt for a password ?
15 Answers
15
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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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