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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...ill somewhat faster than sqrtss.
edit: If speed is critical, and you're really calling this in a loop for many values, you should be using the vectorized versions of these instructions, rsqrtps or sqrtps, both of which process four floats per instruction.
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Eclipse Android Plugin — libncurses.so.5
... i do have libncurses5 [root@t520 init.d]# yum install ncurses-libs.x86_64 Loaded plugins: langpacks, presto, refresh-packagekit Setting up Install Process Package ncurses-libs-5.9-2.20110716.fc16.x86_64 already installed and latest version Nothing to do
– amphibient
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How would you go about parsing Markdown? [closed]
...own. Its parser is based on a Parsing Expression Grammar parser generator called peg.
EDIT: Mauricio Fernandez recently released his Simple Markup Markdown parser, which he wrote as part of his OcsiBlog Weblog Engine. Because the parser is written in OCaml, it is extremely simple and short (268 SLO...
Stack Memory vs Heap Memory [duplicate]
...C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporary and heap memory is...
Creating folders inside a GitHub repository without using Git
...ile with the names of other files in it. tldp.org/LDP/intro-linux/html/sect_03_01.html I know it doesn't make sense to Windows folk, but it's true.
– Rick Henderson
Apr 6 '16 at 1:57
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How to make an anchor tag refer to nothing?
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This has a problem: it doesn't allow tab-navigation.
– Iraimbilanja
May 29 '09 at 7:26
6
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SqlDataAdapter vs SqlDataReader
...nnection open until you are finished (don't forget to close it!).
Can typically only be iterated over once
Is not as useful for updating back to the database
On the other hand, it:
Only has one record in memory at a time rather than an entire result set (this can be HUGE)
Is about as fast as you c...
Color text in terminal applications in UNIX [duplicate]
...[0m", and then printf(KMAG "magenta RESET \n");
– mf_
Jan 7 '14 at 19:41
2
Better yet, puts( KMA...
Unbound classpath container in Eclipse
... have advantages and is even recommended practice for Java projects (personally, I would not do that).
Maybe some of the following work for you:
Edit the project's properties (right-click project, Properties, Java Build Path, Libraries, Remove and Add Library.
Import the project's files without t...
How to `go test` all tests in my project?
...
This should run all tests in current directory and all of its subdirectories:
$ go test ./...
This should run all tests for given specific directories:
$ go test ./tests/... ./unit-tests/... ./my-packages/...
This should run all tests ...