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Manually raising (throwing) an exception in Python
...error value) with sys.exc_info(), but this is way more error prone and has compatibility problems between Python 2 and 3, prefer to use a bare raise to re-raise.
To explain - the sys.exc_info() returns the type, value, and traceback.
type, value, traceback = sys.exc_info()
This is the syntax i...
How to get the concrete class name as a string? [duplicate]
...
instance.__class__.__name__
example:
>>> class A():
pass
>>> a = A()
>>> a.__class__.__name__
'A'
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What breaking changes are introduced in C++11?
...t(x == -1); // C++03
assert(x == 0); // C++11
}
Change proposal
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3246.html#23
Standard reference
[C++03: 22.2.2.1.2/11]: The result of stage 2 processing can be one of
A sequence of chars has been accumulated in stage 2 that is con...
Where to learn about VS debugger 'magic names'
If you've ever used Reflector, you probably noticed that the C# compiler generates types, methods, fields, and local variables, that deserve 'special' display by the debugger. For instance, local variables beginning with 'CS$' are not displayed to the user. There are other special naming conventions...
OnCreateOptionsMenu() not called in Fragment
...:34.468: E/AndroidRuntime(12294): Caused by: java.lang.ClassCastException: com.android.internal.view.menu.MenuItemImpl cannot be cast to android.widget.SearchView
– Android_programmer_office
Nov 26 '13 at 20:26
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byte[] to hex string [duplicate]
...d pre-build the translation table like so to achieve even faster results:
http://blogs.msdn.com/b/blambert/archive/2009/02/22/blambert-codesnip-fast-byte-array-to-hex-string-conversion.aspx
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Unmangling the result of std::type_info::name
... calling function. This should be relatively easy, standard C++ has a type_info class. This contains the name of the typeid'd class/function/etc. but it's mangled. It's not very useful. I.e. typeid(std::vector<int>).name() returns St6vectorIiSaIiEE .
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How to detect user inactivity in Android
...ivity task (and prevent users from re-connecting on a back): stackoverflow.com/questions/7075349/…
– gfrigon
Nov 12 '15 at 22:03
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Biggest GWT Pitfalls? [closed]
...ser of choice, so no loss of speed, plus you can firebug/inspect it, etc.
http://code.google.com/p/google-web-toolkit/wiki/UsingOOPHM
Problem: GWT code is java, and has a different mentality to laying out a HTML page, which makes taking a HTML design and turning it into GWT harder
Solution: Aga...
Is it possible to implement a Python for range loop without an iterator variable?
...ou can just live with the extra i variable.
Here is the option to use the _ variable, which in reality, is just another variable.
for _ in range(n):
do_something()
Note that _ is assigned the last result that returned in an interactive python session:
>>> 1+2
3
>>> _
3
F...