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How to access the first property of a Javascript object?
...ever unofficially it is by all major browsers implementations, please read https://stackoverflow.com/a/23202095 for details on this.
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What is the difference between const_iterator and non-const iterator in the C++ STL?
... mutable exists for a very good reason. It is rarely used, and looking at Google Code Search, there appears to be fair percentage of valid uses. The keyword is a very powerful optimization tool, and it's not like removing it would improve const-correctness(coughpointerscoughandcoughreferencescough)...
ArrayBuffer to base64 encoded string
...window.btoa( binary );
}
but, non-native implementations are faster e.g. https://gist.github.com/958841
see http://jsperf.com/encoding-xhr-image-data/6
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Get the Last Inserted Id Using Laravel Eloquent
...d([
'email' => 'john@example.com',
'votes' => 0
]);
Refer: https://laravel.com/docs/5.1/queries#inserts
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Entity Framework Timeouts
... with specifying default command timeout within the EF connection string.
http://bugs.mysql.com/bug.php?id=56806
Remove the value from the connection string and set it on the data context object itself. This will work if you remove the conflicting value from the connection string.
Entity Framewor...
How to navigate through textfields (Next / Done Buttons)
...hierarchy, up to the window and its controller, and then the app delegate. Google "responder chain" for plenty of info.
– davehayden
Jan 10 '12 at 22:35
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How can I see the raw SQL queries Django is running?
... it's very useful for debugging.
Documentation and source is available at http://django-debug-toolbar.readthedocs.io/.
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Rounding a double to turn it into an int (java)
... // see the Javadoc about why we use a String in the constructor
// http://java.sun.com/j2se/1.5.0/docs/api/java/math/BigDecimal.html#BigDecimal(double)
BigDecimal bd = new BigDecimal(Double.toString(d));
bd = bd.setScale(decimalPlace,BigDecimal.ROUND_HALF_UP);
return bd.doubleVal...
What is the best way to find the users home directory in Java?
...l32",
Shell32.class, OPTIONS);
/**
* see http://msdn.microsoft.com/en-us/library/bb762181(VS.85).aspx
*
* HRESULT SHGetFolderPath( HWND hwndOwner, int nFolder, HANDLE hToken,
* DWORD dwFlags, LPTSTR pszPath);
*/
public in...
Append a dictionary to a dictionary [duplicate]
...ons.ChainMap", but I just discovered that it was only added in Python 3.3: https://docs.python.org/3.3/library/collections.html#chainmap-objects
You can try to crib the class from the 3.3 source though: http://hg.python.org/cpython/file/3.3/Lib/collections/init.py#l763
Here is a less feature-full ...