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Where does the “flatmap that s***” idiomatic expression in Scala come from?
... story I heard was that two preeminent Scala programmers were pairing when one of them started writing some code like this:
option match {
case Some ...
At which point the other said "What is this? Amateur hour? Flat map that shit!"
As to what's so powerful about flatMap, well... First, it's...
Running script upon login mac [closed]
I am wondering if anyone is able to help me out with getting a .sh file to run when I log in to my account on my computer. I am running Mac OS X 10.6.7.
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How to send a simple string between two programs using pipes?
...and exists independently of the processes; meaning it can exist even if no one is using it. A FIFO is created using the mkfifo() library function.
Example
writer.c
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
int main()
{
int fd;
...
What does $.when.apply($, someArray) do?
...little unclear on what this does exactly, looking for an explanation that one line works exactly (not the entire code snippet). Here's some context:
...
Empty arrays seem to equal true and false at the same time
...because toString called on Array returns Array.join(), and empty string is one of falsy values in JavaScript.
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Encoding URL query parameters in Java
How does one encode query parameters to go on a url in Java? I know, this seems like an obvious and already asked question.
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What is “callback hell” and how and why does RX solve it?
Can someone give a clear definition together with a simple example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
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Vim and Ctags tips and tricks [closed]
...
g C-] is very useful. It opens a quick dialog to select one between multiple definitions.
– Vincenzo Pii
Mar 22 '12 at 10:23
3
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Can I specify a custom location to “search for views” in ASP.NET MVC?
...er if we skip Clearing the already registered engines and just add the new one and viewLocations shall have only the new ones?
– Prasanna
Sep 1 '14 at 11:43
3
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Postgres: INSERT if does not exist already
... @TusharJain prior to PostgreSQL 9.5 you can do an "old fashioned" UPSERT (with CTE) but you may experience problems with race conditions and it will not be performant as 9.5 style. There is a good detail about upsert on this blog (in the updated area at the bottom) including some link...