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Java string to date conversion
...m the javadoc, listing all available format patterns:
Letter Date or Time Component Presentation Examples
------ ---------------------- ------------------ -------------------------------------
G Era designator Text AD
y Year Year ...
Compile time string hashing
...rent places that using C++11's new string literals it might be possible to compute a string's hash at compile time. However, no one seems to be ready to come out and say that it will be possible or how it would be done.
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
...some systems cheap/fast syscalls are used to implement the mutexes, they become slow (normal) system calls only in case of contention.)
Locking unlocked mutex is really cheap. Unlocking mutex w/o contention is cheap too.
How much does a mutex cost? Is it a problem to have really a lot of mutexe...
Is there a MySQL option/feature to track history of changes to records?
...ld vs new is available and the date this took place. Is there a feature or common technique to do this?
8 Answers
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Performance optimization strategies of last resort [closed]
...dictable. In other words, don't "interpret" the sequence of things to do, "compile" it.
That redesign is done, shrinking the source code by a factor of 4, and the time is reduced to 10 seconds.
Now, because it's getting so quick, it's hard to sample, so I give it 10 times as much work to do, but...
Is gcc's __attribute__((packed)) / #pragma pack unsafe?
In C, the compiler will lay out members of a struct in the order in which they're declared, with possible padding bytes inserted between members, or after the last member, to ensure that each member is aligned properly.
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Setting up a common nuget packages folder for all solutions when some projects are included in multi
... this scenario in mind (although it shouldn't be hard to adapt to have the common packages folder else where).
Codebase
Project A
Project B
Project C
Solutions
Solution 1
Solution 2
Solution 3
Packages (this is the common one shared by all solutions)
Updated answer as of NuGet 3.5.0.1484 w...
What are the mathematical/computational principles behind this game?
...k.
Put card instead of point and picture instead of line and the axioms become:
Every two cards have exactly one picture in common.
For every two pictures there is exactly one card that has both of them.
Now, lets take n=7 and we have the order-7 finite geometry with Q = 7^2 + 7 + 1 . That make...
Function overloading by return type?
...less useful or reasonable than supporting overload by parameter type. How come it's so much less popular?
14 Answers
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How to measure time in milliseconds using ANSI C?
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To be precise: In ISO C99 (which I think is compatible in this part with ANSI C) there isn't even a guarantee of any time resolution. (ISO C99, 7.23.1p4)
– Roland Illig
Nov 26 '10 at 23:28
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