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How to shuffle a std::vector?
...Live example on Coliru
Make sure to reuse the same instance of rng throughout multiple calls to std::shuffle if you intend to generate different permutations every time!
Moreover, if you want your program to create different sequences of shuffles each time it is run, you can seed the constructor o...
What's the difference between a web site and a web application? [closed]
... website can plausibly consist of a static content repository that's dealt out to all visitors, while a web application depends on interaction and requires programmatic user input and data processing.
For example, a news site would be a "website", but a spreadsheet or a collaborative calendar would...
How to document thrown exceptions in c#/.net
...the comments), there are three types of exceptions: Ones you don't know about, ones you know about and can't do anything about, and ones you know about and can do something about.
The ones you don't know about you want to let go. Its the principal of failing fast--better your app to crash than en...
Combining CSS Pseudo-elements, “:after” the “:last-child”
...ptions">Options</a></li>
<li><a href="/member/logout">Logout</a></li>
</menu>
I style it with the following CSS:
menu > li {
display: inline;
}
menu > li::after {
content: ' | ';
}
menu > li:last-child::after {
content: '';
}
This ...
What is the difference between single-quoted and double-quoted strings in PHP?
...ing for \n backslashes and $dollar signs to do variable expansion", turned out to be the FASTEST string concatenation method in PHP - PERIOD! Single-quotes are only faster if your string is completely literal (with nothing to parse in it and nothing to concatenate), but the margin is very tiny and d...
'git branch -av' showing remote branch that no longer exists
...other words, your local repo is reporting all the branches that is knows about. These could be local branches (like 'master') or remote branches that it has fetched from a remote. Since the last fetch, the 'production' branch of the remote repo has changed, but your local repo does not know this. ...
How do I read any request header in PHP
...
I don't care about 82% of amateurs. I care about professional installations. No one in right state of mind would try to run high traffic site on mod_php.
– vartec
Jan 27 '11 at 11:55
...
Is it possible to define more than one function per file in MATLAB, and access them from outside tha
...hought...
There are some ways around the normal function scoping behavior outlined above, such as passing function handles as output arguments as mentioned in the answers from SCFrench and Jonas (which, starting in R2013b, is facilitated by the localfunctions function). However, I wouldn't suggest ...
Variable declaration placement in C
...at's not what Artelius said. He said "at the beginning of any { ... }" without qualification.
– Jens
Sep 24 at 9:46
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How do you create a read-only user in PostgreSQL?
...ace
WHERE nspname = 'public' AND relkind IN ('r', 'v', 'S');
This should output the relevant GRANT commands to GRANT SELECT on all tables, views, and sequences in public, for copy-n-paste love. Naturally, this will only be applied to tables that have already been created.
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