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Detect if a jQuery UI dialog box is open
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How would you do this test for any and all dialogs? Say you have ten different dialogs with separate inits and options and you want to test if ANY of them are open, not a specific selector?
– Kirk Ross
Nov 12 '14 at 21:56...
Get a list of distinct values in List
...lel()" might give some performance benefit, if we doesn't care about order and have more items in the list.
– Sai
Oct 22 '15 at 20:58
1
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What is the most “pythonic” way to iterate over a list in chunks?
...rks for any iterable (not just sequences as the above code); it is concise and probably just as fast or even faster. Though it might be a bit obscure (unclear) for people unfamiliar with itertools module.
– jfs
Jan 12 '09 at 14:39
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Copy array by value
...e.log({newArray});
Basically, the slice() operation clones the array and returns a reference to a new array.
Also note that:
For references, strings and numbers (and not the actual object), slice() copies object references into the new array. Both the original and new array refer to the same o...
Android: Specify two different images for togglebutton using XML
... following manner to ensure they will all be utilized:
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_checked="true" android:state_pressed="true" /> //currently pressed turning the toggle on
<item android:state_pressed="true" /> /...
pythonic way to do something N times without an index variable?
Every day I love python more and more.
8 Answers
8
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Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
...o something quite different.
The first one takes the anonymous delegate, and runs multiple threads on this code in parallel for all the different items.
The second one not very useful in this scenario. In a nutshell it is intended to do a query on multiple threads, and combine the result, and giv...
Is there a CSS selector for text nodes?
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I'm nevertheless desperately missing ::before and ::after on text nodes.
– shabunc
Apr 8 '13 at 16:31
6
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sys.argv[1] meaning in script
I'm currently teaching myself Python and was just wondering (In reference to my example below) in simplified terms what the sys.argv[1] represents. Is it simply asking for an input?
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Make a negative number positive
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The concept you are describing is called "absolute value", and Java has a function called Math.abs to do it for you. Or you could avoid the function call and do it yourself:
number = (number < 0 ? -number : number);
or
if (number < 0)
number = -number;
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