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What is “git remote add …” and “git push origin master”?
...o answer your first question.
What is git remote add ...
As you probably know, git is a distributed version control system. Most operations are done locally. To communicate with the outside world, git uses what are called remotes. These are repositories other than the one on your local disk which y...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
... evicted) than there is no problem with cache misses with matice2 either.
Now to go deeper in how caches works, if byte address of your variable is X, than the cache line for it would be (X >> 6) & (L - 1). Where L is total number of cache lines in your cache. L is always power of 2.
The...
CSS text-transform capitalize on all caps
... = ucwords(strtolower($text)); // All Caps
jQuery example (it's a plugin now!):
// Uppercase every first letter of a word
jQuery.fn.ucwords = function() {
return this.each(function(){
var val = $(this).text(), newVal = '';
val = val.split(' ');
for(var c=0; c < val.length; c++) ...
Convert list to array in Java [duplicate]
...; list.size(); i++) array[i] = list.get(i);
Update:
It is recommended now to use list.toArray(new Foo[0]);, not list.toArray(new Foo[list.size()]);.
From JetBrains Intellij Idea inspection:
There are two styles to convert a collection to an array: either using
a pre-sized array (like c.t...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
...e remote or branch, git looks at the branch.<name>.merge setting to know where to pull from. git push -u sets this information for the branch you're pushing.
To see the difference, let's use a new empty branch:
$ git checkout -b test
First, we push without -u:
$ git push origin test
$ git...
Configure apache to listen on port other than 80
...-default.conf
And change the first line as
<VirtualHost *: 8079>
Now restart
sudo service apache2 restart
Apache will now listen on port 8079 and redirect to /var/www/html
share
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impr...
Application Error - The connection to the server was unsuccessful. (file:///android_asset/www/index.
...ing after around 30 seconds of trying to load. I changed it to 120000 and now they load successfully in 3-4 seconds. That's all I changed. Argh.
– Brian Knoblauch
Jul 25 '17 at 14:38
...
How can I get a count of the total number of digits in a number?
...t is still slow for Platform = x86 (I could not find the reason why, until now).
The STRING method is consistently slow: it greedily allocates too much memory for nothing. Interestingly, in .NET Core, string allocation seems to be much faster than in .NET Framework. Good to know.
The IF-CHAIN meth...
Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
...get a crash. This is because our storyboard file hasn’t been updated to know about the new class! So open up the Main.storyboard, select your ‘View Controller’ object in the scene (the left-hand side nav), and then select the Identity Inspector (right-hand side, third button.)
From here let’...
How to use shell commands in Makefile
...e not found a quick reference link to a POSIX document for this, nor do I know off-hand which make variants support ::= assignment, although GNU make does today, with the same meaning as :=, i.e., do the assignment right now with expansion.
Note that VAR := $(shell command args...) can also be spel...