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How do I make a semi transparent background?
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sprintf like functionality in Python
...g a C-style sprintf functionality in Python. Because of conditional statements, I can’t write them directly to the file.
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How to format a java.sql Timestamp for displaying?
How do I formate a java.sql Timestamp to my liking ? ( to a string, for display purposes)
7 Answers
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How to use null in switch
In the code above I cant use null in switch case statement. How can I do this differently?
I can't use default because then I want to do something else.
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Fastest way to get the first object from a queryset in django?
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Use the convenience methods .first() and .last():
MyModel.objects.filter(blah=blah).first()
They both swallow the resulting exception and return None if the queryset returns no objects.
These were added in Django 1.6, which was released in Nov ...
How to enable file sharing for my app?
...file sharing) key in the info plist of your app. Here's a link for the documentation. Scroll down to the file sharing support part.
In the past, it was also necessary to define CFBundleDisplayName (Bundle Display Name), if it wasn't already there. More details here.
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Imitating a blink tag with CSS3 animations
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The original Netscape <blink> had an 80% duty cycle. This comes pretty close, although the real <blink> only affects text:
.blink {
animation: blink-animation 1s steps(5, start) infinite;
-webkit-animation: blink-animation 1s steps(5, start) infinite;
}
@keyframes b...
How to “test” NoneType in python?
I have a method that sometimes returns a NoneType value. So how can I question a variable that is a NoneType? I need to use if method, for example
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How to check if a symlink exists
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Just wanted to add a little something to the tip given by @Sam; when doing these sorts of operations make sure to put your file name in quotes, to prevent issues with whitespaces. e.g. if [ ! -L "$mda" ]; then ... fi (note: if [ ! ... ] and if ! [ ... ] ...
Can I query MongoDB ObjectId by date?
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Popping Timestamps into ObjectIds covers queries based on dates embedded in the ObjectId in great detail.
Briefly in JavaScript code:
/* This function returns an ObjectId embedded with a given datetime */
/* Accepts both Date object an...