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Filtering for empty or NULL names in a queryset
...lude(alias__isnull=True)
If you need to exclude null values and empty strings, the preferred way to do so is to chain together the conditions like so:
Name.objects.exclude(alias__isnull=True).exclude(alias__exact='')
Chaining these methods together basically checks each condition independently:...
Simple way to repeat a String in java
I'm looking for a simple commons method or operator that allows me to repeat some String n times. I know I could write this using a for loop, but I wish to avoid for loops whenever necessary and a simple direct method should exist somewhere.
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How do I work with a git repository within another repository?
I have a Git media repository where I'm keeping all of my JavaScript and CSS master files and scripts that I'll use on various projects.
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In Javascript, how to conditionally add a member to an object?
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In pure Javascript, I cannot think of anything more idiomatic than your first code snippet.
If, however, using the jQuery library is not out of the question, then $.extend() should meet your requirements because, as the docu...
Converting file size in bytes to human-readable string
I'm using this function to convert a file size in bytes to a human-readable file size:
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CSS technique for a horizontal line with words in the middle
I'm trying to make a horizontal rule with some text in the middle.
For example:
24 Answers
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Docker - a way to give access to a host USB or serial device?
Last time I checked, Docker didn't have any means to give container access to host serial or USB port . Is there a trick which allows doing that?
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Conveniently Declaring Compile-Time Strings in C++
Being able to create and manipulate strings during compile-time in C++ has several useful applications. Although it is possible to create compile-time strings in C++, the process is very cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
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Create array of all integers between two numbers, inclusive, in Javascript/jQuery [duplicate]
Say I have the following checkbox:
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How to lay out Views in RelativeLayout programmatically?
I'm trying to achieve the following programmatically (rather than declaratively via XML):
9 Answers
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