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What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
When should certain image file types be used when building websites or interfaces, etc?
13 Answers
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Mimicking sets in JavaScript?
I'm working in JavaScript. I'd like to store a list of unique , unordered string values, with the following properties:
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javascript function leading bang ! syntax
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That means declare anonymous function and execute it. But that will not work due to specifics of JS grammar.
So shortest form of achieving this is to use some expression e.g. UnaryExpression (and so CallExpression):
!function(){
// do stuff
}();
Or for the fun:
-function(){
// do stuff
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How to index into a dictionary?
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Dictionaries are unordered in Python versions up to and including Python 3.6. If you do not care about the order of the entries and want to access the keys or values by index anyway, you can use d.keys()[i] and d.values()[i] or d.items()[i]. ...
Deleting a resource using http DELETE
...potent, when I issue the following request, what should happen the second (or third, or fourth, etc...)?
4 Answers
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Regular expression for a hexadecimal number?
...fA-F]+
Matches expression starting with a 0, following by either a lower or uppercase x, followed by one or more characters in the ranges 0-9, or a-f, or A-F
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When do you use the “this” keyword? [closed]
I was curious about how other people use the this keyword. I tend to use it in constructors, but I may also use it throughout the class in other methods. Some examples:
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Why does Math.Round(2.5) return 2 instead of 3?
...thod returns a Double instead of an
integral type.
RemarksThe behavior of this method follows IEEE Standard 754,
section 4. This kind of rounding is
sometimes called rounding to nearest,
or banker's rounding. It minimizes
rounding errors that result from
consistently rounding a midp...
Unit tests vs Functional tests
...s will test many methods and may interact with dependencies like Databases or Web Services.
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Automatic exit from bash shell script on error [duplicate]
...e execution of said shell script if any of the commands failed. See below for an example:
8 Answers
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