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Difference between return and exit in Bash functions
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From man bash on return [n];
Causes a function to stop executing and return the value specified by n to its caller. If n is omitted, the return status is that of the last command executed in the function body.
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Random number generator only generating one random number
... the internal state of the Random instance. If we do that at the same time from multiple threads, you could argue "we've just made the outcome even more random", but what we are actually doing is potentially breaking the internal implementation, and we could also start getting the same numbers from ...
How to get the current URL within a Django template?
...ROCESSORS = (
'django.core.context_processors.request',
)
## views.py
from django.template import *
def home(request):
return render_to_response('home.html', {}, context_instance=RequestContext(request))
## template
{{ request.path }}
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What's the difference between SortedList and SortedDictionary?
... for different operations in different situtations. Here's a nice summary (from the SortedDictionary docs):
The SortedDictionary<TKey, TValue> generic
class is a binary search tree with
O(log n) retrieval, where n is the
number of elements in the dictionary.
In this, it is similar ...
Reimport a module in python while interactive
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This should work:
reload(my.module)
From the Python docs
Reload a previously imported module. The argument must be a module object, so it must have been successfully imported before. This is useful if you have edited the module source file using an external...
Javascript - removing undefined fields from an object [duplicate]
Is there a clean way to remove undefined fields from an object?
10 Answers
10
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Custom HTTP headers : naming conventions
...in the HTTP headers of requests we send them, or even responses they get from our API.
What is the general convention to add custom HTTP headers, in terms of naming , format ... etc.
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Why we should not use protected static in java
...g cleaner and allows the people sub-classing more flexibility. Quite apart from anything else in many cases composition is preferable to inheritance, while abstract classes force inheritance.
To see one example of how this could break things and to illustrate what I mean by the variable not having ...
Force update of an Android app when a new version is available
...uld you show popup everytime the app starts and recommendUpgrade is true? (from UX point of view) Or just show the popup once and don't show again if user declines to upgrade.
– Aneesh
Sep 18 '15 at 7:34
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java.net.SocketException: Connection reset
I am getting the following error trying to read from a socket. I'm doing a readInt() on that InputStream , and I am getting this error. Perusing the documentation this suggests that the client part of the connection closed the connection. In this scenario, I am the server.
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