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Installing Ruby Gem in Windows
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I downloaded this and now I am stuck with a file that crashes my pc when i try to run, move or delete it, even after rebooting. Never had this before.
– Daan Luttik
May 30 '15 at 12:45
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Should I use px or rem value units in my CSS? [closed]
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TL;DR: use px.
The Facts
First, it's extremely important to know that per spec, the CSS px unit does not equal one physical display pixel. This has always been true – even in the 1996 CSS 1 spec.
CSS defines the reference pixel, which measures the size of a pixel on a 96 dpi displa...
git error: failed to push some refs to remote
For some reason, I can't push now, whereas I could do it yesterday.
Maybe I messed up with configs or something.
39 Answers...
Failed to locate the winutils binary in the hadoop binary path
...ing hadoop version folder on GITHUB from the location as mentioned above.]
Now, create a folder 'winutils' in C:\ drive. Now create a folder 'bin' inside folder 'winutils' and copy the winutils.exe in that folder.
So the location of winutils.exe will be C:\winutils\bin\winutils.exe
Now, open enviro...
Why would I want stage before committing in Git?
...t.
Commits
In Git, a commit saves a full snapshot of every file that Git knows about. (Which files does Git know about? We'll see that in the next section.) These snapshots are stored in a special, read-only, Git-only, compressed and de-duplicated form, that in general only Git itself can read. ...
JavaScript function order: why does it matter?
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var foo = 42;
//the interpreter turns it into this:
var foo;
foo = 42;
Now, how function declarations are handled:
var foo = 42;
function bar() {}
//turns into
var foo; //Insanity! It's now at the top
function bar() {}
foo = 42;
The var statements "throws" the creation of foo to the very top...
Generate random numbers using C++11 random library
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@chris we all know the difference between a vector and a map, not everyone knows the difference between mt19937 and ranlux24, if someone managed to become a programmer without knowing what a vector and a dictionary are maybe they should hav...
Android Studio doesn't see device
... One M8 and I was able to debug on it last week. Something changed that is now causing Abdroid Studio to fail to see my phone as a viable debugging device. I tried it on another computer running Android Studio and it worked fine. So there must be some other setting or maybe even a driver someplace t...
How can a time function exist in functional programming?
I've to admit that I don't know much about functional programming. I read about it from here and there, and so came to know that in functional programming, a function returns the same output, for same input, no matter how many times the function is called. It's exactly like a mathematical function w...
what is difference between success and .done() method of $.ajax
...ange is for compatibility with jQuery 1.5's deferred object. Deferred (and now Promise, which has full native browser support in Chrome and FX) allow you to chain asynchronous actions:
$.ajax("parent").
done(function(p) { return $.ajax("child/" + p.id); }).
done(someOtherDeferredFunction).
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