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Python element-wise tuple operations like sum
...so that it returns a tuple:
import operator
class stuple(tuple):
def __add__(self, other):
return self.__class__(map(operator.add, self, other))
# obviously leaving out checking lengths
>>> a = stuple([1,2,3])
>>> b = stuple([3,2,1])
>>> a + b
(4, 4,...
How to make a variadic macro (variable number of arguments)
...way, also supported by VC++ compiler.
#define FOO(fmt, ...) printf(fmt, ##__VA_ARGS__)
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Is bool a native C type?
...ent C - C99, but not in C89/90.
In C99 the native type is actually called _Bool, while bool is a standard library macro defined in stdbool.h (which expectedly resolves to _Bool). Objects of type _Bool hold either 0 or 1, while true and false are also macros from stdbool.h.
Note, BTW, that this imp...
Check OS version in Swift?
...OS8 = floor(NSFoundationVersionNumber) > floor(NSFoundationVersionNumber_iOS_7_1)
let iOS7 = floor(NSFoundationVersionNumber) <= floor(NSFoundationVersionNumber_iOS_7_1)
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How can I use threading in Python?
....dummy import Pool as ThreadPool
pool = ThreadPool(4)
results = pool.map(my_function, my_array)
Which is the multithreaded version of:
results = []
for item in my_array:
results.append(my_function(item))
Description
Map is a cool little function, and the key to easily injecting parallelism i...
How do I hide a menu item in the actionbar?
...nu>
Show button in code
But the share button can optionally be shown based on some condition.
MainActivity.java
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main_menu, menu);
MenuItem shareItem = menu.findIte...
Where is a complete example of logging.config.dictConfig?
...
How about here!
LOGGING_CONFIG = {
'version': 1,
'disable_existing_loggers': True,
'formatters': {
'standard': {
'format': '%(asctime)s [%(levelname)s] %(name)s: %(message)s'
},
},
'handlers': {
...
@try - catch block in Objective-C
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Eclipse ctrl+right does nothing
...ews like console window.
You can disable welcome screen ( in most eclipse based IDEs it's a checkbox in the welcome screen ) and then restart eclipse just to be sure it won't happend again. Everything will work again.
shar...
Is there a short contains function for lists?
..., you may also be interested to know that what in does is to call the list.__contains__ method, that you can define on any class you write and can get extremely handy to use python at his full extent.
A dumb use may be:
>>> class ContainsEverything:
def __init__(self):
retu...