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In c++ what does a tilde “~” before a function name signify?

...omatically be destructed when appropriate. Beware of Static Initialization Order Fiasco – sehe Oct 15 '12 at 7:01 ...
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How to limit the maximum value of a numeric field in a Django model?

..., make sure to call the model full_clean method before saving the model in order to trigger the validators. This is not required when using ModelForm since the forms will do that automatically. share | ...
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How do I uninstall a package installed using npm link?

...s to be uninstalled globally - the --global flag needs to be provided. In order to uninstall the globally linked foo package, the following command can be used (using sudo if necessary, depending on your setup and permissions) sudo npm rm --global foo This will uninstall the package. To check w...
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Why does i = i + i give me 0?

...rator -. If an integer addition overflows, then the result is the low-order bits of the mathematical sum as represented in some sufficiently large two's-complement format. If overflow occurs, then the sign of the result is not the same as the sign of the mathematical sum of the two oper...
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How does the Brainfuck Hello World actually work?

... Zeroes are offset. 82 is first and c5 is second byte representing ł (in order we will read them). |..| is graphical representation which is not possible in this case. Well, if you pass ł as input to your BF program that reads single byte, program memory will look like: ...[0][0][*197*][0][0].....
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What happens if you call erase() on a map element while iterating from begin to end?

... Is the order of evaluation of the increment in the postfix expression pm_it++ guaranteed to be executed before the function is entered? – David Rodríguez - dribeas Mar 3 '11 at 20:56 ...
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How to place and center text in an SVG rectangle

...ork in Firefox nor Chromium and in addition you must study the comments in order to find the correct solution on your own I took the liberty of adding another answer with code that works as expected. (For the records: Tested with FF and Chromium on Ubuntu Linux.) – Regis May ...
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How does _gaq.push(['_trackPageLoadTime']) work?

...rn zero when the load event is not fired yet. For curious parties, the ordering appears to be as follows: connectStart, connectEnd, domainLookupStart, domainLookupEnd, fetchStart, navigationStart, requestStart, responseStart, domLoading, responseEnd, domContentLoadedEventStart, d...
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How to convert a dictionary to query string in Python?

...query variable names and the values are lists of values for each name. In order to pass this information into urllib.urlencode(), you must "flatten" these lists. Here is how you can do it with a list comprehenshion of tuples: query_pairs = [(k,v) for k,vlist in d.iteritems() for v in vlist] urlli...
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How to enter in a Docker container already running with a new TTY

...und. I would like to be able to access the container from another shell in order to "poke around" inside it and examine the files. At the moment, if I attach to the container, I am left looking at the Apache daemon and cannot run any commands. ...