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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
MySQL has something like this:
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How to set a stroke-width:1 on only certain sides of SVG shapes?
Setting a stroke-width: 1 on a <rect> element in SVG places a stroke on every side of the rectangle.
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Format number to 2 decimal places
I would like to know how can I output a number with 2 decimal places, without rounding the original number.
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int value under 10 convert to string two digit number
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Flatten an irregular list of lists
Yes, I know this subject has been covered before ( here , here , here , here ), but as far as I know, all solutions, except for one, fail on a list like this:
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Python: using a recursive algorithm as a generator
Recently I wrote a function to generate certain sequences with nontrivial constraints. The problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of usin...
What is the default initialization of an array in Java?
So I'm declaring and initializing an int array:
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Reference list item by index within Django template?
This may be simple, but I looked around and couldn't find an answer. What's the best way to reference a single item in a list from a Django template?
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How can I check the size of a collection within a Django template?
I have a list in my Django template. I want to do something only if the size of the list is greater than zero.
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How to write iOS app purely in C
I read here Learn C Before Objective-C?
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