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How much is the overhead of smart pointers compared to normal pointers in C++?
...plementation details and CPU architecture for write barriers, atomic locks etc. once listening you will never talk about this feature being cheap. If you just want a proof of the magnitude slower, skip the first 48 minutes and watch him running example code which runs upto 180 times slower (compiled...
How can I extract embedded fonts from a PDF as valid font files?
...iety of files: images as well as fonts. These include PNG, TTF, CFF, CID, etc. The image names will be like img-0412.png if the PDF object number of the image was 412. The fontnames will be like FGETYK+LinLibertineI-0966.ttf, if the font's PDF object number was 966.
CFF (Compact Font Format) files ...
Greedy vs. Reluctant vs. Possessive Quantifiers
...tring to be checked. If that doesn't work, it trims off another character, etc. So a greedy quantifier checks possible matches in order from longest to shortest.
A reluctant quantifier tells the engine to start with the shortest possible piece of the string. If it matches, the engine can continue; i...
Replacing .NET WebBrowser control with a better browser, like Chrome?
...immediately notice js alert does nothing. Events like mouseup,mousedown... etc. doesn't work, js drag and drop is buggy and so on..
I also had some difficulties installing it since it requires specific version of VC redistributable installed, so after exception I looked at event log, found version o...
Should I use Java date and time classes or go with a 3rd party library like Joda Time?
... with an API of >100 classes, a different formatting/parsing mechanism etc.
Of course, if you do need complete representation of different chronologies (e.g. Hebrew) or wish to be able to define your own imaginary Calendar system (e.g. for a game you are writing) then perhaps JODA or JRS-310 is...
What Does 'Then' Really Mean in CasperJS
...ng CasperJS to automate a series of clicks, completed forms, parsing data, etc through a website.
3 Answers
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What are the use cases for selecting CHAR over VARCHAR in SQL?
...tinct or union operation, or if it chooses a merge during it's query plan, etc. Move could also mean the time it takes to get the data from the server to my local pc or to another computer or wherever it is going to be consumed.
But there is some overhead in using varchar. SQL Server has to use a...
javac is not recognized as an internal or external command, operable program or batch file [closed]
...very directory in the list, and checks if javac.com, javac.exe, javac.bat, etc. is present. When it finds javac, it runs it. When it does not, it prints 'javac' is not recognized as an internal or external command, operable program or batch file.
You must add the Java executables directory to PATH....
Generate a heatmap in MatPlotLib using a scatter data set
...s some sort of normal axes instance, where I can add a title, axis labels, etc. and then do the normal savefig() like I would do for any other typical matplotlib plot.
– gotgenes
Jul 15 '11 at 19:19
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Can a class member function template be virtual?
...to a
normal function call, a virtual function call requires two extra
fetches (one to get the value of the v-pointer, a second to get the
address of the method). None of this runtime activity happens with
non-virtual functions, since the compiler resolves non-virtual
functions exclusively ...