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Equivalent of typedef in C#
...impact that source file. In C and C++, my experience is that typedef is usually used within .h files which are included widely - so a single typedef can be used over a whole project. That ability does not exist in C#, because there's no #include functionality in C# that would allow you to include th...
Where is my Django installation?
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Current top (accepted) answer works with my Ubuntu installation. As does yours. As do all of them!
– Adam Marshall
Apr 28 '14 at 14:24
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Count all occurrences of a string in lots of files with grep
...a bunch of log files. I need to find out how many times a string occurs in all files.
15 Answers
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What is the Java ?: operator called and what does it do?
... count = getHereCount(index);
else
count = getAwayCount(index);
It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only ternary (three-argument) operator in Java, C, C++, and probably many other languages. But theoretically there could...
Pass data to layout that are common to all pages
...website which have a layout page. However this layout page have data which all pages model must provide such page title, page name and the location where we actually are for an HTML helper I did which perform some action. Also each page have their own view models properties.
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BaseException.message deprecated in Python 2.6
...of the exception hierarchy.
Provides an 'args' attribute that contains all arguments passed
to the constructor. Suggested practice, though, is that only a
single string argument be passed to the constructor."""
__str__ and __repr__ are already implemented in a meaningful way,
especiall...
Does MongoDB's $in clause guarantee order
...d index order as shown.
If you need to preserve this order, then you basically have two options.
So let's say that you were matching on the values of _id in your documents with an array that is going to be passed in to the $in as [ 4, 2, 8 ].
Approach using Aggregate
var list = [ 4, 2, 8 ];
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Difference between getDefaultSharedPreferences and getSharedPreferences
...es a default preference-file name. This default is set per application, so all activities in the same app context can access it easily as in the following example:
SharedPreferences spref = PreferenceManager.getDefaultSharedPreferences(this);
if (spref.contains("email")) {
String sEmailAdd...
Can I see changes before I save my file in Vim?
...t=nofile bh=wipe nobl noswf ro ft=" . filetype
endfunction
com! DiffSaved call s:DiffWithSaved()
To get out of diff view you can use the :diffoff command.
Below is a similar function, adapted to mimic the 'cvs diff' command...
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Use of #pragma in C
...take some action, override some default, etc. that may or may not apply to all machines and operating systems.
See msdn for more info.
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