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How can I create an error 404 in PHP?
...sts to /word_here to /page.php?name=word_here . The PHP script then checks if the requested page is in its array of pages.
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How do I get the RootViewController from a pushed controller?
So, I push a view controller from RootViewController like:
8 Answers
8
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How to combine multiple conditions to subset a data-frame using “OR”?
...columns, but I want these conditions to be inclusive. Therefore, I would like to use "OR" to combine the conditions. I have used the following syntax before with lot of success when I wanted to use the "AND" condition.
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Allow user to set up an SSH tunnel, but nothing else
I'd like to allow a user to set up an SSH tunnel to a particular machine on a particular port (say, 5000), but I want to restrict this user as much as possible. (Authentication will be with public/private keypair).
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How do I create directory if it doesn't exist to create a file?
I have a piece of code here that breaks if the directory doesn't exist:
6 Answers
6
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JavaScript: Overriding alert()
... web page, you do whatever you want to with it.
I already did this to track analytics events without modifying a library but by sneaking into events.
Use the proxy pattern:
(function(proxied) {
window.alert = function() {
// do something here
return proxied.apply(this, arguments);
};
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Could not find an implementation of the query pattern
...ry = (from p in tblPersoon.Cast<Person>() select p).Single();
This kind of error (Could not find an implementation of the query pattern) usually occurs when:
You are missing LINQ namespace usage (using System.Linq)
Type you are querying does not implement IEnumerable<T>
Edit:
Apar...
Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
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The short answer is "because C++ has moved on". Yes, back in the late 70's, Stroustrup intended to create an upgraded C with OOP capabilities, but that is a long time ago. By the time the language was standardized in 1998, it was no longer an OOP language. It was a multi-paradigm ...
DateTime.Now vs. DateTime.UtcNow
...een wondering what exactly are the principles of how the two properties work. I know the second one is universal and basically doesn't deal with time zones, but can someone explain in detail how they work and which one should be used in what scenario?
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How to get just numeric part of CSS property with jQuery?
... answered Jul 8 '09 at 21:33
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