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How can I check if an ip is in a network in Python?

...s follows: import socket,struct def makeMask(n): "return a mask of n bits as a long integer" return (2L<<n-1) - 1 def dottedQuadToNum(ip): "convert decimal dotted quad string to long integer" return struct.unpack('L',socket.inet_aton(ip))[0] def networkMask(ip,bits): "C...
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How to create P12 certificate for iOS distribution

...created new certs in the Provisioning portal (ios_developer.cer, ios_distribution.cer) and downloaded them. I was following instructions here on Stack Overflow to convert it to PEM and then to P12 files, but I'm stuck. When I then attempt to convert the PEM to P12, it wants a private key of some...
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Get the current first responder without using a private API

I submitted my app a little over a week ago and got the dreaded rejection email today. It tells me that my app cannot be accepted because I'm using a non-public API; specifically, it says, ...
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How to manage startActivityForResult on Android?

In my activity, I'm calling a second activity from the main activity by startActivityForResult . In my second activity, there are some methods that finish this activity (maybe without a result), however, just one of them returns a result. ...
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Why do browsers match CSS selectors from right to left?

CSS Selectors are matched by browser engines from right to left. So they first find the children and then check their parents to see if they match the rest of the parts of the rule. ...
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GitHub relative link in Markdown file

...rom within a Markdown file, to another file within the same repository and branch (aka a link relative to the current branch)? ...
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How do you iterate through every file/directory recursively in standard C++?

... has no conception of directories. If you want to expand your net a little bit, you might like to look at using Boost.FileSystem. This has been accepted for inclusion in TR2, so this gives you the best chance of keeping your implementation as close as possible to the standard. An example, taken str...
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How do you test that a Python function throws an exception?

... edited May 5 '16 at 15:59 Robert Siemer 23.9k77 gold badges6767 silver badges8282 bronze badges answered Sep 24 '08 at 20:02 ...
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Size-limited queue that holds last N elements in Java

A very simple & quick question on Java libraries: is there a ready-made class that implements a Queue with a fixed maximum size - i.e. it always allows addition of elements, but it will silently remove head elements to accomodate space for newly added elements. ...
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How to find the php.ini file used by the command line?

I need to enable pdo_mysql in my EasyPhp environment, so I went to php.ini file and uncommented the following line: 14 Answ...