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Factors in R: more than an annoyance?
...ng, merging and generally manipulating the data, factors are a total pain. More recently, as in the past few years a lot of the functions have improved to handle the factors better. For instance, rbind plays nicely with them. I still find it a total nuisance to have left over empty levels after a su...
How to schedule a function to run every hour on Flask?
... two of these schedulers will be launched when Flask is in debug mode. For more information, check out this question.
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Java Timer vs ExecutorService?
...ledThreadPoolExecutor can be configured with any number of threads. Furthermore, you have full control over created threads, if you want (by providing ThreadFactory).
Runtime exceptions thrown in TimerTask kill that one thread, thus making Timer dead :-( ... i.e. scheduled tasks will not run anymore...
Check if a number is int or float
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wouldn't issubclass be more generic?
– David Heffernan
Dec 27 '10 at 19:26
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jQuery - add additional parameters on submit (NOT ajax)
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What's the best way to put a c-struct in an NSArray?
... which always must be fully known. If it could get "larger" by referencing more data, then you would probably implement that with a pointer, and the @encode would describe the structure with that pointer, but not fully describe the pointed-to data, which could indeed change.
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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
...Javascript. Find it in the specification at the ToBoolean section.
Furthermore, if you do not know whether a variable exists (that means, if it was declared) you should check with the typeof operator. For instance
if( typeof foo !== 'undefined' ) {
// foo could get resolved and it's defined
}
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Simplest way to read json from a URL in java
...n, and I have to concatenate the lines instead of the characters, which is more expensive. That wouldn't keep the code as short as it is now. Furthermore, in JSON notation there is no concept of "lines", so why should I read them as such?
– Roland Illig
Dec 1 '...
Sort array of objects by string property value
...pare is important when using accented characters in foreign languages, and more elegant as well.
– Marcos Lima
Jun 1 '16 at 16:38
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How to deal with floating point number precision in JavaScript?
...th integers, e.g. do money
calculations entirely in cents. But
this is more work and has some
drawbacks.
Note that the first point only applies if you really need specific precise decimal behaviour. Most people don't need that, they're just irritated that their programs don't work correct...