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Finding the number of days between two dates
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$now = time(); // or your date as well
$your_date = strtotime("2010-01-31");
$datediff = $now - $your_date;
echo round($datediff / (60 * 60 * 24));
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SQL Server: Get data for only the past year
... opinion, data from the last year is every data from 2007 (if I am in 2008 now). So the right answer would be:
SELECT ... FROM ... WHERE YEAR(DATE) = YEAR(GETDATE()) - 1
Then if you want to restrict this query, you can add some other filter, but always searching in the last year.
SELECT ... FROM...
Google Maps Android API v2 Authorization failure
...e/
to enable "Google Maps Android API v2"
to register of SHA1 in project (NOW, YOU NEED WRITE SHA1;your.app.package.name) at APIs console and get API KEY
to copy directory ANDROID_SDK_DIR/extras/google/google_play_services/libproject/google-play-services_lib to root of your project
to add next line...
What does Expression.Quote() do that Expression.Constant() can’t already do?
... is a factory for adders that are bound to the outer lambda's parameter.
Now, suppose we wish to represent this as an expression tree that will later be compiled and executed. What should the body of the expression tree be? It depends on whether you want the compiled state to return a delegate or ...
Printing a variable memory address in swift
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Swift 2
This is now part of the standard library: unsafeAddressOf.
/// Return an UnsafePointer to the storage used for `object`. There's
/// not much you can do with this other than use it to identify the
/// object
Swift 3
For Swift ...
CodeIgniter: How to get Controller, Action, URL information
...// class = controller
$this->router->fetch_method();
That way you know you are always using the correct values even if you are behind a routed URL, in a sub-domain, etc.
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Why does Python print unicode characters when the default encoding is ASCII?
...ys
>>> print sys.stdout.encoding
ANSI_X3.4-1968
Bingo!
If you now try to output some unicode character outside of ascii you should get a nice error message
>>> print u'\xe9'
UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9'
in position 0: ordinal not in range(1...
How to find server name of SQL Server Management Studio
...doesn't come with a server. I downloaded a version with Advanced Tools and now everything works as supposed. :)
– Filip Vondrášek
Jul 20 '15 at 10:02
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Which is faster: Stack allocation or Heap allocation
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On some (mostly embedded, that I know of) architectures, stack may be stored in fast on-die memory (e.g. SRAM). This can make a huge difference!
– leander
Jul 15 '09 at 1:16
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App Inventor 2 扩展 · App Inventor 2 中文网
...Choosing a package name for your extension
3.4 Sharing your extension
Acknowledgements
Appendix A: Temporary instructions for obtaining the source code
1. Overview of App Inventor extension components
App Inventor apps are built using components. Components let the apps use the built-in featu...
