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What is the purpose of the “final” keyword in C++11 for functions?
...y disadvantage of vtables is that for any such virtual object (assuming 64-bits on a typical Intel CPU) the pointer alone eats up 25% (8 of 64 bytes) of a cache line. In the kind of applications I enjoy to write, this hurts very badly. (And from my experience it is the #1 argument against C++ from a...
Convert blob to base64
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Arun KilluArun Killu
10.6k55 gold badges2828 silver badges5656 bronze badges
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How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
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You know what has worked for me really well on windows.
My Computer > Properties > Advanced System Settings > Environment Variables >
Just add the path as C:\Python27 (or wherever you installed python)
OR
Then under system variables I create a new Variabl...
“The breakpoint will not currently be hit. The source code is different from the original version.”
...will never be built!
Go to Build --> Configuration Manager ... (in VS2010) and check if the project with the code you're trying to debug is checked for the current build configuration.
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Why is 1/1/1970 the “epoch time”?
...ons of unix measured system time in 1/60 s intervals. This meant that a 32-bit unsigned integer could only represent a span of time less than 829 days. For this reason, the time represented by the number 0 (called the epoch) had to be set in the very recent past. As this was in the early 1970s, the ...
Oracle SQL: Update a table with data from another table
...s will occur in an unpredictable manner (i.e. last value in unordered data wins). Thirdly: It will be much slower. Assuming the outcome of the for loop was intended, the original subselect could have been rewritten in some controlled way to return only 1 value for each record... simplest contrived w...
Javascript: Extend a Function
...}
return publicSymbols;
})();
(Much of the above could be written a bit more compactly, but I wanted to use clear names like publicSymbols rather than my usual pubs or anonymous object literal. You can write it a lot more compactly if you want to have anonymous functions, but I don't much car...
Creating a BLOB from a Base64 string in JavaScript
...n server, when users were using Chrome or IE to download files larger than 100mb. We found that the in IE following line was raising memory exception "var byteNumbers = new Array(slice.length)". However in chrome, it was the for loop causing same issue. We couldn't find a proper resolution to this i...
Which is the correct shorthand - “regex” or “regexp” [closed]
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this answer is full of win
– meder omuraliev
Jun 17 '10 at 1:09
12
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How to read a single char from the console in Java (as the user types it)?
...o test it in various environments (different Windows/Linux versions, 64/32 bit, Linux via SSH, Telnet, serial port or desktop console, etc.). So far I only use it in my private test tools. But the source code is relatively small, compared to other solutions (like JLine2 which uses Jansi). So there i...