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Display Animated GIF
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@Bicou On post-HC devices you should setLayerType(LAYER_TYPE_SOFTWARE) on your View. But it still only works for some gifs and for some devices.
– Michał K
Jun 16 '13 at 12:35
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Use tab to indent in textarea
... var start = this.selectionStart;
var end = this.selectionEnd;
// set textarea value to: text before caret + tab + text after caret
$(this).val($(this).val().substring(0, start)
+ "\t"
+ $(this).val().substring(end));
// put caret at right position a...
Pandas dataframe get first row of each group
...ourth
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 2 first
2 3 first
3 4 second
4 5 first
5 6 first
6 7 fourth
To get n first records, you can use head():
>>> df.groupby('id').head(2).reset_index(drop...
Why does Pycharm's inspector complain about “d = {}”?
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This can be disabled in the Project Settings or Default Settings.
Navigate to Settings -> Inspections -> Python
Uncheck "Dictionary creation could be rewritten by dictionary literal"
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How do you implement a Stack and a Queue in JavaScript?
...the property. JavaScript also has a new operator, but that is just used to set this to a new empty object when calling a function. In C++ you need to pair every new with a delete, but not in JavaScript because GC. To stop using memory in JavaScript, just stop referencing the object and it will event...
How to match “any character” in regular expression?
...ncode this is with a character class whose members form a partition of the set of all possible characters.
Usually people write that as [\s\S] (whitespace or non-whitespace), though [\w\W], [\d\D], etc. would all work.
shar...
Is there a “do … while” loop in Ruby?
I'm using this code to let the user enter in names while the program stores them in an array until they enter an empty string (they must press enter after each name):
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UIImage: Resize, then Crop
...de - it's part of a categeory on UIImage. Target size in my code is always set to the full screen size of the device.
@implementation UIImage (Extras)
#pragma mark -
#pragma mark Scale and crop image
- (UIImage*)imageByScalingAndCroppingForSize:(CGSize)targetSize
{
UIImage *sourceImage = self...
How can I write text on a HTML5 canvas element?
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Yes of course you can write a text on canvas with ease, and you can set the font name, font size and font color.
There are two method to build a text on Canvas, i.e. fillText() and strokeText(). fillText() method is used to make a text that can only be filled with color, whereas strokeText()...
Removing carriage return and new-line from the end of a string in c#
How do I remove the carriage return character (\r) and the new line character (\n) from the end of a string?
12 Answers
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