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Which is more preferable to use: lambda functions or nested functions ('def')?
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108
If you need to assign the lambda to a name, use a def instead. defs are just syntactic sugar f...
Is it possible to declare two variables of different types in a for loop?
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for (auto p = std::make_pair(5, std::string("Hello World")); p.first < 10; ++p.first) {
std::cout << p.second << std::endl;
}
std::make_pair will return the two arguments in a std::pair. The elements can be accessed with .first and .second.
For more than two objects, you'll n...
Does Python have “private” variables in classes?
... same question
– IanS
Feb 17 '16 at 10:47
5
@watashiSHUN "in short, this is not encapsulation" =&...
Get the _id of inserted document in Mongo database in NodeJS
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10 Answers
10
Active
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Use numpy array in shared memory for multiprocessing
...()
logger.setLevel(logging.INFO)
# create shared array
N, M = 100, 11
shared_arr = mp.Array(ctypes.c_double, N)
arr = tonumpyarray(shared_arr)
# fill with random values
arr[:] = np.random.uniform(size=N)
arr_orig = arr.copy()
# write to arr from different proce...
How do I change the working directory in Python?
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answered Jan 10 '09 at 20:41
Michael LabbéMichael Labbé
10.4k44 gold badges2525 silver badges3232 bronze badges
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How to avoid explicit 'self' in Python?
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101
Python requires specifying self. The result is there's never any confusion over what's a memb...
Getting Django admin url for an object
...nersfbskinnersf
2,49011 gold badge1717 silver badges1010 bronze badges
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PHP shell_exec() vs exec()
...shell_exec('ifconfig')
string(1244) "eth0 Link encap:Ethernet HWaddr 10:bf:44:44:22:33 \n inet addr:192.168.0.90 Bcast:192.168.0.255 Mask:255.255.255.0\n inet6 addr: fe80::12bf:ffff:eeee:2222/64 Scope:Link\n UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1\n ...
facebook: permanent Page Access Token?
...the Facebook docs, make a GET request to
https://graph.facebook.com/v2.10/oauth/access_token?grant_type=fb_exchange_token&client_id={app_id}&client_secret={app_secret}&fb_exchange_token={short_lived_token}
entering in your app's ID and secret and the short-lived token generated in ...