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String was not recognized as a valid DateTime “ format dd/MM/yyyy”
I am trying to convert my string formatted value to date type with format dd/MM/yyyy .
13 Answers
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Difference between angle bracket < > and double quotes “ ” while including header files in C++? [dup
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It's compiler dependent. That said, in general using " prioritizes headers in the current working directory over system headers. <> usually is used for system headers. From to the specification (Section 6.10.2):
A preprocessing directive of the form
# include <h-ch...
How do you uninstall MySQL from Mac OS X?
...operly. I just didn't pay enough attention. Now when I try to install the correct x86 version it says that it can't install because a newer version is already installed. A Google query led me to perform these actions/delete these files to uninstall it:
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How do I expire a PHP session after 30 minutes?
I need to keep a session alive for 30 minutes and then destroy it.
15 Answers
15
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How to sort two lists (which reference each other) in the exact same way
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One classic approach to this problem is to use the "decorate, sort, undecorate" idiom, which is especially simple using python's built-in zip function:
>>> list1 = [3,2,4,1, 1]
>>> list2 = ['three', 'two', 'four', 'one', 'one2']
>>> list1, list2 = zip(...
Max parallel http connections in a browser?
...me suspended connections to an HTTP server (comet, reverse ajax, etc). It works ok, but I see the browser only allows two suspended connections to a given domain simultaneously. So if a user is looking at my website in Tab1 of their browser, then also tries loading it in Tab2, they've used up the tw...
PHP file_get_contents() and setting request headers
...e seeking to, I haven't personally tested this though. (and if it doesn't work, feel free to check out my other answer)
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Java abstract interface
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Why is it necessary for an interface to be "declared" abstract?
It's not.
public abstract interface Interface {
\___.__/
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'----> Neither this...
public void interfacing();
public abstract boolean inter...
Converting from longitude\latitude to Cartesian coordinates
I have some earth-centered coordinate points given as latitude and longitude ( WGS-84 ).
9 Answers
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What is stdClass in PHP?
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stdClass is PHP's generic empty class, kind of like Object in Java or object in Python (Edit: but not actually used as universal base class; thanks @Ciaran for pointing this out).
It is useful for anonymous objects, dynamic properties, etc.
An easy way to consider the StdClass is as an al...