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Detect backspace in empty UITextField
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37
This may be a long shot but it could work. Try setting the text field's text to a zero width s...
Iterating each character in a string using Python
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vallentin
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answered Feb 11 '09 at 19:30
hasenhasen
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Java Serializable Object to Byte Array
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edited Jan 1 at 3:28
Decoded
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answered May 14 '10 at 18:3...
Why use the params keyword?
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With params you can call your method like this:
addTwoEach(1, 2, 3, 4, 5);
Without params, you can’t.
Additionally, you can call the method with an array as a parameter in both cases:
addTwoEach(new int[] { 1, 2, 3, 4, 5 });
That is, params allows you to use a shortcut when calling...
How do I update the GUI from another thread?
...ControlPropertyThreadSafe(myLabel, "Text", status);
If you're using .NET 3.0 or above, you could rewrite the above method as an extension method of the Control class, which would then simplify the call to:
myLabel.SetPropertyThreadSafe("Text", status);
UPDATE 05/10/2010:
For .NET 3.0 you shoul...
map vs. hash_map in C++
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134
They are implemented in very different ways.
hash_map (unordered_map in TR1 and Boost; use tho...
Callback when CSS3 transition finishes
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336
For transitions you can use the following to detect the end of a transition via jQuery:
$("#s...
How to dynamically insert a tag via jQuery after page load?
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Rocket HazmatRocket Hazmat
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Where do alpha testers download Google Play Android apps?
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answered May 27 '13 at 14:41
HolgerHolger
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How to round a number to significant figures in Python
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You can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if you need only most significant digit:
>>> from math import log10, floor
>>> def round_to_1(x):
... return round(x, -int(floor(log10(abs(x)))))
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>>> round_to_1(0.0232)...