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Skip List vs. Binary Search Tree
...tly linked to the affected node need to be locked.
Update from Jon Harrops comments
I read Fraser and Harris's latest paper Concurrent programming without locks. Really good stuff if you're interested in lock-free data structures. The paper focuses on Transactional Memory and a theoretical ope...
Should I use tag for icons instead of ? [closed]
...web designers care about alt tags. the spec is there for a reason. like ramps in buildings, alt, title and aria tags exist for a reason.
– osiris
Jul 30 '15 at 14:47
3
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绘画动画组件 · App Inventor 2 中文网
... 真，则坐标为 球形精灵 的中心；否则，它是球形精灵的最左边的点。
Y坐标
球形精灵的垂直坐标，随着球形精灵向下移动而增加。
如果属性 中心坐标 为 真，则坐标为 球形精灵 的中心，否则为 球形精灵 的最高点。
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What GRANT USAGE ON SCHEMA exactly do?
...user, and they affected the "postgres" database. I thought that if you run psql without -d db you're operating "outside" any db, but you're always connected to a db and by default you're connected to the db with the same name of your role. db = role = user = group... it's a bit confusing :D
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How to read a large file - line by line?
.... I use something like 1000+ partial files commonly. Doing these tricks helps immensely with processing speed and memory limits.
The pandas dataframe.read_csv is single threaded so you can do these tricks to make pandas quite faster by running a map() for parallel execution. You can use htop to ...
What is the difference D3 datum vs. data?
...nd datum within an array (["a"] in the example above).
Hopefully this helps clarify how selection.data and selection.datum() differ from each other both when providing data as an input argument and when querying for the bound datum by not providing any input arguments.
PS - The best way to unders...
Optional Parameters with C++ Macros
... <code for four arguments>
// The interim macro that simply strips the excess and ends up with the required macro
#define XXX_X(x,A,B,C,D,FUNC, ...) FUNC
// The macro that the programmer uses
#define XXX(...) XXX_X(,##__VA_ARGS__,\
...
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...andard library on Windows, but you can create a portable interface that wraps the standard library on other platforms and converts from UTF-8 to wchar_t directly before using Win32 W functions.
– bames53
Jun 25 '12 at 15:56
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How can I get a count of the total number of digits in a number?
...;
sw1.Stop();
Console.WriteLine($"IfChain: {sw1.ElapsedMilliseconds} ms");
Stopwatch sw2 = new Stopwatch();
sw2.Start();
for (int i = 0; i < size; ++i) samples[i].Digits_Log10();
sw2.Stop();
Console.WriteLine($"L...
How does SSL really work?
...
HTTPS is combination of HTTP and SSL(Secure Socket Layer) to provide encrypted communication between client (browser) and web server (application is hosted here).
Why is it needed?
HTTPS encrypts data that is transmitted from ...