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Getting the docstring from a function
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On ipython or jupyter notebook, you can use all the above mentioned ways, but i go with
my_func?
or
?my_func
for quick summary of both method signature and docstring.
I avoid using
my_func??
(as commented by @rohan) for docstring and use it only to check th...
Can a pointer to base point to an array of derived objects?
...= 0; i < 10; ++i) shapes[i]->draw();
}
Note that you have to do an extra step of initializing the Rectangle, since initializing the array only sets up the pointers, and not the objects themselves.
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unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
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OK, first of all, you don't have to get a reference to the module into a different name; you already have a reference (from the import) and you can just use it. If you want a different name just use import swineflu as f.
Second, you are...
Why is volatile not considered useful in multithreaded C or C++ programming?
...ic operations necessary to implement a mutex; it only has volatile to make extra guarantees about ordinary operations.
Now you have something like this:
pthread_mutex_lock( &flag_guard_mutex );
my_local_state = my_shared_flag; // critical section
pthread_mutex_unlock( &flag_guard_mutex );
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How to make a SIMPLE C++ Makefile
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@jcoe It does an unnecessary extra preprocessor pass to generate dependencies. Doing unnecessary work it just dissipates heat melting the ice poles and, on a bigger scale, is nearing the heat death of our universe.
– Maxim Egorushki...
How to use HttpWebRequest (.NET) asynchronously?
...DoWork += (sender, args) => {
args.Result = new WebClient().DownloadString(settings.test_url);
};
worker.RunWorkerCompleted += (sender, e) => {
if (e.Error != null) {
connectivityLabel.Text = "Error: " + e.Error.Message;
} else {
connectivityLabel.Text = "Connectiv...
What are deferred objects?
...As of jQuery 1.5, the Deferred object provides a way to register multiple callbacks into self-managed callback queues, invoke callback queues as appropriate, and relay the success or failure state of any synchronous or asynchronous function.
Deferred Methods:
deferred.done()
Add handlers to be cal...
Python loop that also accesses previous and next values
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The edited version of this is still not logically sound: At the end of the loop obj and next_ will be the same object for the last iteration, which may have unintended side effects.
– TemporalWolf
Dec 5 '17 at 22:01
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Difference between classification and clustering in data mining? [closed]
...nomy" model. Airline example: coach, coach with early boarding, coach with extra leg room.
– GDB
Jun 24 '16 at 13:37
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Multiple Inheritance in PHP
...tMessage class, and sending algorithm is delegated to dispatcher. This is called Strategy Pattern, you can read more on it here.
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