¡@
python Programming Glossary: boolWhy is if not someobj: better than if someobj == None: in Python? http://stackoverflow.com/questions/100732/why-is-if-not-someobj-better-than-if-someobj-none-in-python In the first test Python try to convert the object to a bool value if it is not already one. Roughly we are asking the object.. and float it calls this method. It must either return a bool value which is then directly used or an int value that is considered.. it is called and the return value is then converted to a bool value and used to determine the outcome of the if . Otherwise..
Is False == 0 and True == 1 in Python an implementation detail or is it guaranteed by the language? http://stackoverflow.com/questions/2764017/is-false-0-and-true-1-in-python-an-implementation-detail-or-is-it-guarante would be appreciated too Edit As noted in many answers bool inherits from int . The question can therefore be recast as.. documentation officially say that programmers can rely on booleans inheriting from integers with the values 0 and 1 . This.. that won't fail because of implementation details python boolean share improve this question In Python 2.x this is not..
Is it Pythonic to use bools as ints? http://stackoverflow.com/questions/3174392/is-it-pythonic-to-use-bools-as-ints it Pythonic to use bools as ints False is equivalent to 0 and True is equivalent 1.. 1 so it's possible to do something like this def bool_to_str value value should be a bool return 'No' 'Yes' value.. like this def bool_to_str value value should be a bool return 'No' 'Yes' value bool_to_str True Notice how value is..
Remove empty strings from a list of strings http://stackoverflow.com/questions/3845423/remove-empty-strings-from-a-list-of-strings str_list filter None str_list # fastest str_list filter bool str_list # fastest str_list filter len str_list # a bit of slower.. a 1000' number 100000 2.4797441959381104 timeit 'filter bool str_list ' 'str_list a 1000' number 100000 2.4788150787353516..
Why is python ordering my dictionary like so? http://stackoverflow.com/questions/526125/why-is-python-ordering-my-dictionary-like-so int realOwner int x int y int description char 255 port bool secret bool dead bool nomadic bool population int slaves int.. int x int y int description char 255 port bool secret bool dead bool nomadic bool population int slaves int But when I.. int y int description char 255 port bool secret bool dead bool nomadic bool population int slaves int But when I print it out..
Why I can't extend bool in Python? http://stackoverflow.com/questions/2172189/why-i-cant-extend-bool-in-python I can't extend bool in Python class BOOL bool ... print why ... why Traceback most recent call last File..
Is possible send a array in Obj-c for a variable arguments function? http://stackoverflow.com/questions/431910/is-possible-send-a-array-in-obj-c-for-a-variable-arguments-function to a function with variable parameters I have this BOOL executeUpdate NSString sql ... And the manual way is do this..
Using a struct as a function argument with the python ctypes module http://stackoverflow.com/questions/8744246/using-a-struct-as-a-function-argument-with-the-python-ctypes-module c_void_p LPSECURITY_ATTRIBUTES c_void_p NULL 0 FALSE BOOL 0 TRUE BOOL 1 def CreateFile filename access sharemode creation.. LPSECURITY_ATTRIBUTES c_void_p NULL 0 FALSE BOOL 0 TRUE BOOL 1 def CreateFile filename access sharemode creation flags return.. reparseInfo.ReparseTarget returnedLength DWORD 0 result BOOL windll.kernel32.DeviceIoControl hFile DWORD FSCTL_SET_REPARSE_POINT..
Windows cmd encoding change causes Python crash http://stackoverflow.com/questions/878972/windows-cmd-encoding-change-causes-python-crash windll POINTER byref c_int from ctypes.wintypes import BOOL HANDLE DWORD LPWSTR LPCWSTR LPVOID original_stderr sys.stderr.. msdn.microsoft.com en us library ms683167 VS.85 .aspx # BOOL WINAPI GetConsoleMode HANDLE hConsole LPDWORD lpMode GetStdHandle.. 0x0002 FILE_TYPE_REMOTE 0x8000 GetConsoleMode WINFUNCTYPE BOOL HANDLE POINTER DWORD GetConsoleMode windll.kernel32 INVALID_HANDLE_VALUE..
Running Python script from Cocoa application using GCD http://stackoverflow.com/questions/8862085/running-python-script-from-cocoa-application-using-gcd to setup a manager class that runs the Python script BOOL setupPythonEnvironment if Py_IsInitialized return YES Py_SetProgramName..
|