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How can you check which options vim was compiled with?

...n without GUI. Features included (+) or not (-): -arabic +autocmd -balloon_eval -browse +builtin_terms +byte_offset +cindent -clientserver -clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments -conceal +cryptv +cscope +cursorbind +cursorshape +dialog_con +diff +digraphs -dnd -ebcdic -e...
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What do people find difficult about C pointers? [closed]

...duling, actual CPU operations, or assembly-level memory management isn't really required. When I was teaching, I found the following holes in students' understanding to be the most common source of problems: Heap vs Stack storage. It is simply stunning how many people do not understand this, even...
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How to take a screenshot programmatically on iOS

...iOS7 or above - (UIImage *) screenshot { CGSize size = CGSizeMake(your_width, your_height); UIGraphicsBeginImageContextWithOptions(size, NO, [UIScreen mainScreen].scale); CGRect rec = CGRectMake(0, 0, your_width, your_height); [_viewController.view drawViewHierarchyInRect:rec afte...
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When to use volatile with multi threading?

.... However two threads both accessing a shared variable is something which calls for protection via a mutex isn't it? But in that case, between the thread locking and releasing the mutex the code is in a critical section where only that one thread can access the variable, in which case the variable ...
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Why use 'virtual' for class properties in Entity Framework model definitions?

... It allows the Entity Framework to create a proxy around the virtual property so that the property can support lazy loading and more efficient change tracking. See What effect(s) can the virtual keyword have in Entity Framework 4...
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How to print a string in fixed width?

I have this code (printing the occurrence of the all permutations in a string) 5 Answers ...
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Python ValueError: too many values to unpack [duplicate]

... for k, m in self.materials.items(): example: miles_dict = {'Monday':1, 'Tuesday':2.3, 'Wednesday':3.5, 'Thursday':0.9} for k, v in miles_dict.items(): print("%s: %s" % (k, v)) share | ...
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How can I fix WebStorm warning “Unresolved function or method” for “require” (Firefox Add-on SDK)

... edited Apr 25 at 9:45 MARSHMALLOW 1,24022 gold badges88 silver badges2323 bronze badges answered Nov 22 '13 at 15:10 ...
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Call a Server-side Method on a Resource in a RESTful Way

...ut SOAP envelopes and single-URI overloaded POST services), what some may call "lack of features", is actually its greatest strength. Right off the bat, HTTP asks you to have addressability and statelessness: the two basic design decisions that keep HTTP scalable up to today's mega-sites (and mega-s...
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Python Regex - How to Get Positions and Values of Matches

How can I get the start and end positions of all matches using the re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too. ...