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How long does it take for GitHub page to show changes after changing index.html
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it takes ages sometimes if you use custom, how much of a benifit is the cdn?
– SuperUberDuper
Dec 17 '16 at 12:23
19
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Undo scaffolding in Rails
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First, if you have already run the migrations generated by the scaffold command, you have to perform a rollback first.
rake db:rollback
You can create scaffolding using:
rails generate scaffold MyFoo
(or similar), and you can...
Python dict how to create key or append an element to key?
...default(...)
D.setdefault(k[,d]) -> D.get(k,d), also set D[k]=d if k not in D
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Get original URL referer with PHP?
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Store it either in a cookie (if it's acceptable for your situation), or in a session variable.
session_start();
if ( !isset( $_SESSION["origURL"] ) )
$_SESSION["origURL"] = $_SERVER["HTTP_REFERER"];
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What is the coolest thing you can do in
...I'm sure you can write a Mandelbrot set in Haskell in 15 lines but it's difficult to follow.
87 Answers
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Are 2^n and n*2^n in the same time complexity?
...r about when it is okay to ignore terms in a time complexity equation, specifically with non-polynomial examples.
5 Answer...
How to reset a timer in C#?
...he
amount of time to delay before the
invoking the callback method specified
when the Timer was constructed, in
milliseconds. Specify
Timeout.Infinite to prevent the
timer from restarting. Specify zero
(0) to restart the timer immediately.
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How do I store an array in localStorage? [duplicate]
If I didn't need localStorage, my code would look like this:
6 Answers
6
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Yes/No message box using QMessageBox
...it?",
QMessageBox::Yes|QMessageBox::No);
if (reply == QMessageBox::Yes) {
qDebug() << "Yes was clicked";
QApplication::quit();
} else {
qDebug() << "Yes was *not* clicked";
}
}
Should work on Qt 4 and 5, requires QT += widgets on Qt 5, ...
Java packages com and org
... com, edu, gov, mil, net, org, or one of the English two-letter codes identifying countries as specified in ISO Standard 3166, 1981.
Subsequent components of the package name vary according to an organization's own internal naming conventions. Such conventions might specify that certain directory na...