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Fastest way to determine if record exists
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Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
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Get image data url in JavaScript?
...Javascripted one is smaller and I'd love them to be exactly the same. One more thing: the input image is a small (594 bytes), 28x30 PNG with transparent background -- if that changes anything.
– Detariael
Jun 1 '09 at 14:22
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How many bytes does one Unicode character take?
... create a new logical character. A character therefore can consist of 1 or more codepoints.
To be useful in computing systems we need to choose a representation for this information. Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the ...
What is the difference between a generative and a discriminative algorithm?
...om the description above, you might be thinking that generative models are more generally useful and therefore better, but it's not as simple as that. This paper is a very popular reference on the subject of discriminative vs. generative classifiers, but it's pretty heavy going. The overall gist is ...
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
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@Raithlin, Many many more gotchas. In JavaScript: "000" != "00", "000" == null, "000" == false, "0x0" == false, array() == 0, false != null, array() != null, false == "0x0", false == "000". In PHP, it's opposite behavior: "000" == "00", "000" != ...
Singleton with Arguments in Java
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A singleton, by definition, is an object you want to be instantiated no more than once. If you are trying to feed parameters to the constructor, what is the point of the singleton?
You have two options. If you want your singleton to be initialized with some data, you may load it with data after ...
Accessing dict_keys element by index in Python3
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What is `related_name` used for in Django?
...model that have a relation to current_user.
The Django documentation has more details.
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