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Linking R and Julia?

...at replacement for how Matlab is currently used--for computation-heavy results that still require more mathematical intuition than C and its ilk provide. For that, R and Julia could be an amazing complement. Even if Julia supplants R (and I'd be fine with that, frankly), it will be at least a deca...
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WaitAll vs WhenAll

... } static void Main(string[] args) { Task.Run(async () => { await MyAmazingMethodAsync(); }).Wait(); } static async Task MyAmazingMethodAsync() { try { Task[] taskArray = { Task.Factory.StartNew(() => WaitA...
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What is the most efficient way to concatenate N arrays?

...hrome at least. Test case: [].concat.apply([], Array(300000).fill().map(_=>[1,2,3])). (I've also gotten the same error using the currently accepted answer, so one is anticipating such use cases or building a library for others, special testing may be necessary no matter which solution you choose....
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Broken references in Virtualenvs

...vs/my-virtual-env ... lrwxr-xr-x 1 ryan staff 78 Jun 25 13:21 .Python -> /usr/local/Cellar/python/2.7.7/Frameworks/Python.framework/Versions/2.7/Python ... When you upgrade Python using Homebrew and then run brew cleanup, the symlinks in the virtualenv point to paths that no longer exist (be...
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How to present popover properly in iOS 8

...func adaptivePresentationStyle(for controller: UIPresentationController) -> UIModalPresentationStyle { return UIModalPresentationStyle.none } share | improve this answer |...
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How does the new automatic reference counting mechanism work?

...will be referenced from its children and also from its parent. Like: A -> [B1, B2, B3] B1 -> A, B2 -> A, B3 -> A All is fine while you are using A (say via a local variable). When you are done with it (and B1/B2/B3), a GC system will eventually decide to look at everything it can fi...
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Detect IF hovering over element with jQuery

...zzle) when you prefix it with a selector $($(this).selector + ":hover").length > 0, and it seems to work! Also, hoverIntent plugin mentioned in a another answer looks very nice as well. Edit 2 (September 21, 2013): .is(":hover") works Based on another comment I have noticed that the original w...
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Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat

...nsware.cwac:camera:0.5.4 | \--- com.android.support:support-v4:18.0.+ -> 18.0.0 \--- com.android.support:support-v4:18.0.+ -> 18.0.0 Then, use the exclude directive to block that dependency. In my case, it is coming from my CWAC-Camera library, and so I use: dependencies { compile('c...
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Do the JSON keys have to be surrounded by quotes?

...r keys essentially it makes perfect sense not to. In Json you can put... >var keyName = "someKey"; >var obj = {[keyName]:"someValue"}; >obj Object {someKey: "someValue"} just fine without issues, if you need a value for a key and none quoted won't work, so if it doesn't, you can't, so y...
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Call a stored procedure with parameter in c#

... @DylanChen: That depends on the database settings. The default setting is that identifiers are not case sensetive. – Guffa May 10 '16 at 8:37 1 ...