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How do I know if a generator is empty from the start?
..., there is no simple way. There are a whole lot of work-arounds.
There really shouldn't be a simple way, because of what generators are: a way to output a sequence of values without holding the sequence in memory. So there's no backward traversal.
You could write a has_next function or maybe eve...
HttpClient.GetAsync(…) never returns when using await/async
...(within the ASP.NET request context).
AsyncAwait_GetSomeDataAsync executes HttpClient.GetAsync (within the ASP.NET request context).
The HTTP request is sent out, and HttpClient.GetAsync returns an uncompleted Task.
AsyncAwait_GetSomeDataAsync awaits the Task; since it is not complete, AsyncAwait_Ge...
What does the brk() system call do?
...d load the "text" and "data" blocks into RAM starting at address zero (actually a little above address zero, so that the NULL pointer genuinely didn't point to anything) and set the break address to the end of the data segment. The first call to malloc would then use sbrk to move the break up and c...
When should the volatile keyword be used in C#?
...good article on Double Checked Locking, and briefly touches on this topic:
http://en.wikipedia.org/wiki/Double-checked_locking
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How to sort with a lambda?
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Running a Python script from PHP
...the output buffer directly:
ob_start();
passthru('/usr/bin/python2.7 /srv/http/assets/py/switch.py arg1 arg2');
$output = ob_get_clean();
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How do I change bash history completion to complete what's already on the line?
...search-forward
To reload, source ~/.zshrc or relaunch terminal.
Source: https://superuser.com/a/418299/71680
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Wrapping a C library in Python: C, Cython or ctypes?
I want to call a C library from a Python application. I don't want to wrap the whole API, only the functions and datatypes that are relevant to my case. As I see it, I have three choices:
...
Initializing a struct to 0
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Effects of changing Django's SECRET_KEY
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According to this page https://docs.djangoproject.com/en/dev/topics/signing/, the SECRET_KEY is mostly used for transitory stuff -- signing data sent over the wire so you can detect tampering, for example. It looks like the things that COULD break ...