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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
...ndition is false */ ;
syntax is not a "shorthand if" operator (the ? is called the conditional operator) because you cannot execute code in the same manner as if you did:
if (condition) {
/* condition is true, do something like echo */
}
else {
/* condition is false, do something else */
...
Resetting remote to a certain commit
I want to discard all changes done after commit <commit-hash> .
So I did:
9 Answers
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How can I check in a Bash script if my local Git repository has changes?
... Hi, that was one of the best answers on a question, you just gave me all information that I needed and that others my need as well :). I'll just need the last one, "something has changed" :) and you were right, I copied it.
– kmindi
Feb 28 '11 at 15:34
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Named string formatting in C#
...ed in at {LastLoginDate}".FormatWith(user);
A third improved method partially based on the two above, from Phil Haack
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How does Access-Control-Allow-Origin header work?
...
Access-Control-Allow-Origin is a CORS (Cross-Origin Resource Sharing) header.
When Site A tries to fetch content from Site B, Site B can send an Access-Control-Allow-Origin response header to tell the browser that the content of this page...
MYSQL OR vs IN performance
...than using OR.
Do not believe people who give their "opinion", science is all about testing and evidence.
I ran a loop of 1000x the equivalent queries (for consistency, I used sql_no_cache):
IN: 2.34969592094s
OR: 5.83781504631s
Update:
(I don't have the source code for the original test, as it...
“Public key certificate and private key doesn't match” when using Godaddy issued certificate [closed
I'm trying to install a GoDaddy SSL certificate on a new load balancer I'm setting up on Amazon AWS. I originally created the certificate at Godaddy using the keytool program for direct installation on a Glassfish 3.1 server (Amazon linux ami). I had no problems getting that setup directly on the ...
Finding what methods a Python object has
Given a Python object of any kind, is there an easy way to get the list of all methods that this object has?
19 Answers
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Search and replace in Vim across all the project files
...oking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open.
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What's the difference between “Layers” and “Tiers”?
...on a single
computer or even in a single process
on a single computer. All we are doing
is discussing a way of organizing a
code into a set of layers defined by
specific function.
Physical tiers however, are only about
where the code runs. Specifically,
tiers are places where laye...