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Representing graphs (data structure) in Python

...f._graph[node2].add(node1) def remove(self, node): """ Remove all references to node """ for n, cxns in self._graph.items(): # python3: items(); python2: iteritems() try: cxns.remove(node) except KeyError: pass tr...
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Apache not starting on MAMP Pro

... then start. – jorisw Oct 17 '14 at 11:26 1 ...
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Why is parenthesis in print voluntary in Python 2.7?

... In Python 2.x print is actually a special statement and not a function*. This is also why it can't be used like: lambda x: print x Note that (expr) does not create a Tuple (it results in expr), but , does. This likely results in the confusion between...
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What does __FILE__ mean in Ruby?

I see this all the time in Ruby: 4 Answers 4 ...
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How do I create a nice-looking DMG for Mac OS X using command-line tools?

I need to create a nice installer for a Mac application. I want it to be a disk image (DMG), with a predefined size, layout and background image. ...
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How do I set the size of Emacs' window?

... (progn ;; use 120 char wide window for largeish displays ;; and smaller 80 column windows for smaller displays ;; pick whatever numbers make sense for you (if (> (x-display-pixel-width) 1280) (add-to-list 'default-frame-alist (cons 'width 120)) (add-to-list ...
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Undefined reference to `pow' and `floor'

... Look in /lib or /usr/lib. The libraries are all named lib<name>.a or lib<name>.so - it's the "<name>" you put after the -l. In this case, the math library is named libm.so, so we call it -lm. – ams Dec 29 '11 at ...
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Android emulator: How to monitor network traffic?

...ard/emulator.cap). Run emulator -tcpdump emulator.cap -avd my_avd to write all the emulator's traffic to a local file on your PC In both cases you can then analyse the pcap file with tcpdump or Wireshark as normal. share ...
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What is the difference between “screen” and “only screen” in media queries?

... to apply these styles. At that size you would be talking about anything smaller than a desktop screen in most cases. @media screen and (max-width:632px) This one is saying for a device with a screen and a window with max-width of 632px apply the style. This is almost identical to the above exce...
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How can I create directory tree in C++/Linux?

...C++ compilers. /* @(#)File: mkpath.c @(#)Purpose: Create all directories in path @(#)Author: J Leffler @(#)Copyright: (C) JLSS 1990-2020 @(#)Derivation: mkpath.c 1.16 2020/06/19 15:08:10 */ /*TABSTOP=4*/ #include "posixver.h" #include "mkpath.h" #include "emalloc...