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Android splash screen image sizes to fit all devices
...ixel sizes is as always hard to find).
Here's the tl/dr version
Create 4 images, one for each screen density:
xlarge (xhdpi): 640x960
large (hdpi): 480x800
medium (mdpi): 320x480
small (ldpi): 240x320
Read 9-patch image introduction in Android Developer Guide
Design images that have areas th...
Set mouse focus and move cursor to end of input using jQuery
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145
Looks like clearing the value after focusing and then resetting works.
input.focus();
var tmpS...
Getting current date and time in JavaScript
...correct month you need to add 1, so calling .getMonth() in may will return 4 and not 5.
So in your code we can use currentdate.getMonth()+1 to output the correct value. In addition:
.getDate() returns the day of the month <- this is the one you want
.getDay() is a separate method of the Date o...
How do I initialize an empty array in C#?
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454
If you are going to use a collection that you don't know the size of in advance, there are bet...
Random string generation with upper case letters and digits
...hically more secure version; see https://stackoverflow.com/a/23728630/2213647:
''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(N))
In details, with a clean function for further reuse:
>>> import string
>>> import random
>>> d...
Adding new column to existing DataFrame in Python pandas
...
24 Answers
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Programmatically add custom event in the iPhone Calendar
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edited May 18 '19 at 4:03
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answe...
Swift - How to convert String to Double
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Swift 4.2+ String to Double
You should use the new type initializers to convert between String and numeric types (Double, Float, Int). It'll return an Optional type (Double?) which will have the correct value or nil if the String ...
How do I create a copy of an object in PHP?
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In PHP 5+ objects are passed by reference. In PHP 4 they are passed by value (that's why it had runtime pass by reference, which became deprecated).
You can use the 'clone' operator in PHP5 to copy objects:
$objectB = clone $objectA;
Also, it's just objects that are pass...