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How to limit the amount of concurrent async I/O operations?
...hould be using since it's more performant than the original Semaphore), it now boasts the WaitAsync(...) series of overloads, with all of the expected arguments - timeout intervals, cancellation tokens, all of your usual scheduling friends :)
Stephen's also written a more recent blog post about the...
Print all properties of a Python Class [duplicate]
...name': 'Dog', 'color': 'Spotted', 'age': 10, 'legs': 2, 'smell': 'Alot'}
# now dump this in some way or another
print(', '.join("%s: %s" % item for item in attrs.items()))
If you want to store Python objects on the disk you should look at shelve — Python object persistence.
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Why does ++[[]][+[]]+[+[]] return the string “10”?
... itself.
In this case, + sees two operands: a number and an array. It’s now trying to coerce the two into the same type. First, the array is coerced into the string "0", next, the number is coerced into a string ("1"). Number + String === String.
"1" + "0" === "10" // Yay!
Specification deta...
How to check whether a script is running under Node.js?
...re and B: The modules exports things via properties on the exports object. Now how that is implement is left to the underlying system. Node.js wraps the module's content in an anonymous function:
function (exports, require, module, __filename, __dirname) {
See: https://github.com/ry/node/blob/ma...
Run certain code every n seconds [duplicate]
...le, I guess I pasted the code from the web user manual. The above code is now corrected (still not tested, but it comes from my own working code and I am using it constantly). PS: maybe we are looking at different versions / modules? I'm sure my line is "from apscheduler.scheduler import Schedule...
How can I select and upload multiple files with HTML and PHP, using HTTP POST?
...t explained the PHP part. Over time, this became a popular answer, so I've now expanded to cover both HTML and PHP.
– Mark E. Haase
Mar 7 '15 at 17:26
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Chain-calling parent initialisers in python [duplicate]
...l return the init method of your obj as if init in class X not been there. Now, if class X has two parents, and X.__init__ doesnt exist, the default behavior is to call init of only one of the parents, not both. This is effectively what super is doing... giving you one of the parents.
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Databinding an enum property to a ComboBox in WPF
...Description("Available.")]
Available,
[Description("Not here right now.")]
Away,
[Description("I don't have time right now.")]
Busy
}
At the top of your XAML:
xmlns:my="clr-namespace:namespace_to_enumeration_extension_class
and then...
<ComboBox
ItemsSource="{Bi...
How to get the parent dir location
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I know the OP knows about dirname. It isn't obvious to everyone that applying dirname to a directory yields the parent directory.
– Marcelo Cantos
May 12 '10 at 9:09
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Can I specify multiple users for myself in .gitconfig?
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This is the best answer now that git 2.13 has been released.
– tejasbubane
May 10 '17 at 11:18
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