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Ternary operation in CoffeeScript
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Since everything is an expression, and thus results in a value, you can just use if/else.
a = if true then 5 else 10
a = if false then 5 else 10
You can see more about expression examples here.
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Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
...or blink browsers slice() is the fastest method, concat() is a bit slower, and while loop is 2.4x slower.
for other browsers while loop is the fastest method, since those browsers don't have internal optimizations for slice and concat.
This remains true in Jul 2016.
Below are simple scripts that ...
HTTP could not register URL http://+:8000/HelloWCF/. Your process does not have access rights to thi
I'm a beginner in WCF, but trying to improve my experience. And on the first step I faced the problem. I created the simplest WCF service. The listing of code: (all the code in one file)
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Undo “git add ”?
I mistakenly added files using the command "git add dir". I have not yet run "git commit". Is there a way to remove this dir and everything contained within it from the commit?
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laravel throwing MethodNotAllowedHttpException
I am trying to get something very basic running. I am used to CI and now learning Laravel 4, and their docs are not making it easy! Anyways, I am trying to create a login form and just make sure that data is posted successfully by printing it in the next form. I am getting this exception:
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
... "security" risk.
You can get around it by using absolute paths
File.expand_path(__FILE__) et al
or doing
require './filename' (ironically).
or by using
require_relative 'filename'
or adding an "include" directory
ruby -I . ...
or the same, using irb;
$irb -I .
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How to get a password from a shell script without echoing
...ds access to a password protected system. The system is accessed via a command-line program that accepts the user password as an argument.
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Is the practice of returning a C++ reference variable evil?
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In general, returning a reference is perfectly normal and happens all the time.
If you mean:
int& getInt() {
int i;
return i; // DON'T DO THIS.
}
That is all sorts of evil. The stack-allocated i will go away and you are referring to nothing. This is also evil:
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How to compare arrays in JavaScript?
..... ideally, efficiently. Nothing fancy, just true if they are identical, and false if not. Not surprisingly, the comparison operator doesn't seem to work.
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Does hosts file exist on the iPhone? How to change it? [closed]
... answered Jan 8 '10 at 15:41
Andrew BullockAndrew Bullock
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