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How to pull a random record using Django's ORM?
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Nathan Tuggy
2,24499 gold badges2727 silver badges3636 bronze badges
answered Jan 22 '10 at 16:27
Emil IvanovEmil ...
Add a background image to shape in XML Android
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225
Use following layerlist:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:an...
What's the “Content-Length” field in HTTP header?
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246
rfc2616
The Content-Length entity-header field indicates the size of the
entity-body, in...
Hide/Show Column in an HTML Table
...assuming style rules like:
table.hide1 .col1 { display: none; }
table.hide2 .col2 { display: none; }
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This is going to be faster than any JS loop approach; for really long tables it can make a significant difference to responsiveness.
If you can get away with not supporting IE6, you could use...
How to check if a string contains an element from a list in Python
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edited Aug 22 '18 at 11:55
Nam G VU
26.9k5656 gold badges194194 silver badges326326 bronze badges
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How do I get a human-readable file size in bytes abbreviation using .NET?
...ble len = new FileInfo(filename).Length;
int order = 0;
while (len >= 1024 && order < sizes.Length - 1) {
order++;
len = len/1024;
}
// Adjust the format string to your preferences. For example "{0:0.#}{1}" would
// show a single decimal place, and no space.
string result = St...
How to require a fork with composer
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230
The most common (and easier) way of doing it is using a VCS repository.
All you have to do...
Android Studio suddenly cannot resolve symbols
Android Studio 0.4.2 was working fine and today I opened it and almost everything was red and the auto-completion had stopped working. I look at the imports and AS seems to be telling me it can't find android.support.v4 all of a sudden (offering me the option to remove the unused imports). ( andro...
Understanding colors on Android (six characters)
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172
If you provide 6 hex digits, that means RGB (2 hex digits for each value of red, green and blue)...
What is better, adjacency lists or adjacency matrices for graph problems in C++?
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128
It depends on the problem.
Adjacency Matrix
Uses O(n^2) memory
It is fast to lookup and che...