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Simple explanation of MapReduce?
...rite it like this
A = [7, 8, 9]
sum = A.reduce( 0, (x, y) => x + y )
Now it's a little confusing why there are 2 arguments (0 and the function with x and y) passed. For a reduce function to be useful, it must be able to take 2 items, compute something and "reduce" that 2 items to just one sing...
How can I force a hard reload in Chrome for Android
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Now its changed to Clear Browsing Data, where you can check clear cache using check box.
– shaijut
Dec 3 '15 at 7:39
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Hibernate, @SequenceGenerator and allocationSize
We all know the default behaviour of Hibernate when using @SequenceGenerator - it increases real database sequence by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID.
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Why is rbindlist “better” than rbind?
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rbindlist is an optimized version of do.call(rbind, list(...)), which is known for being slow when using rbind.data.frame
Where does it really excel
Some questions that show where rbindlist shines are
Fast vectorized merge of list of data.frames by row
Trouble converting long list of data.fra...
How do I make an asynchronous GET request in PHP?
...This is a handy code snippet, and I've been using it here and there, but I now find that I need to do the same thing, but with an SSL site. Is there anything I need to change besides the HTTP/1.1 type and the port?
– Kevin Jhangiani
Apr 12 '11 at 21:59
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How can I push a specific commit to a remote, and not previous commits?
...cific git setup. Perhaps you rebased past the remote HEAD commit? I don't know what a protected branch is, sounds like a permission issue.
– Samuel
Jan 13 '16 at 16:49
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
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As far as I know, there are only two kinds of functions, destructive and constructive.
While constructive function, as the name implies, constructs something, a destructive one destroys something, but not in the way you may think now.
F...
Is there a way to change the spacing between legend items in ggplot2?
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Now that opts is deprecated in ggplot2 package, function theme should be used instead:
library(grid) # for unit()
... + theme(legend.key.height=unit(3,"line"))
... + theme(legend.key.width=unit(3,"line"))
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shortcut in Android Studio to locate the current editing src file
Do you know how to check the location of current editing file in the project tree panel (the very left panel of the Android Studio), except manually. (The worst case is that all the folders there are collapsed)
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Placeholder Mixin SCSS/CSS
...event you from using it at the root level. sassmeister.com/gist/9469073. Now if you're using LibSass, that's a different story.
– cimmanon
Mar 10 '14 at 16:58
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