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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
... = A[i][j];
which is just horrible for a modern CPU. One solution is to know the details about your cache system and tweak the algorithm to avoid those problems. Works great as long as you know those details.. not especially portable.
Can we do better than that? Yes we can: A general approach to ...
How do I make a Git commit in the past?
... with multiple, independent problems here.
Specifying Dates Other Than “now”
Each commit has two dates: the author date and the committer date. You can override each by supplying values through the environment variables GIT_AUTHOR_DATE and GIT_COMMITTER_DATE for any command that writes a new c...
Options, Settings, Properties, Configuration, Preferences — when and why?
...s style was ‘Options’ on the ‘Tools’ menu, though all bets are off now as more MS apps drop the menu bar and throw the old predictable controls all over the place with no consistent pettern.
RISC OS style was ‘Choices’ on the icon bar menu, just to add yet another pointless possibility....
Search for executable files using find command
...ric questions, it is sufficient to use the POSIX-compliant -perm primary (known as a test in GNU find terminology).
-perm allows you to test for any file permissions, not just executability.
Permissions are specified as either octal or symbolic modes. Octal modes are octal numbers (e.g., 111), whe...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...le is changed upstream).
skip-worktree is more than that: even where git knows that the file has been modified (or needs to be modified by a reset --hard or the like), it will pretend it has not been, using the version from the index instead. This persists until the index is discarded.
There is a ...
How do you represent a graph in Haskell?
...ated before the other exists. Because Haskell is lazy you can use a trick known as Tying the Knot to get around this, but that makes my brain hurt (because I haven't done much of it yet). I've done more of my substantial programming in Mercury than Haskell so far, and Mercury is strict so knot-tying...
What is the most effective way for float and double comparison?
...the order of operations can produce different results, it is important to know how "equal" you want the numbers to be.
Comparing floating point numbers by Bruce Dawson is a good place to start when looking at floating point comparison.
The following definitions are from The art of computer progr...
SVN: Is there a way to mark a file as “do not commit”?
...text to the top of a-file, like "i want a conflict". Update from WC2, and now a-file should be in conflict.
Git branch strategy for small dev team [closed]
...velop into master.
Deploy to production from master any time, because you know it's stable.
For more details on this workflow, check out the Branching Workflows chapter in Pro Git.
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windows service vs scheduled task
... of date. Since TopShelf came along Windows Services development got easy. Now you just need to figure out how to support failover...
Original Answer:
I'm really not a fan of Windows Scheduler. The user's password must be provided as @moodforall points out above, which is fun when someone changes ...
