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Finding quaternion representing the rotation from one vector to another
...rself).
// N.B. the arguments are _not_ axis and angle, but rather the
// raw scalar-vector components.
Quaternion(float w, Vector3 xyz);
Quaternion get_rotation_between(Vector3 u, Vector3 v)
{
// It is important that the inputs are of equal length when
// calculating the half-way vector.
u ...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
...
+1 for numerical data - although looking on raw numbers can be misleading as it does not mean that they have statistically significant difference.
– Maciej Piechotka
Jan 24 '13 at 1:40
...
How to use an existing database with an Android application [duplicate]
... String sql ="SELECT * FROM myTable";
Cursor mCur = mDb.rawQuery(sql, null);
if (mCur != null) {
mCur.moveToNext();
}
return mCur;
} catch (SQLException mSQLException) {
Log.e(TAG, "getTestData >>"+...
Why is exception.printStackTrace() considered bad practice?
...rself, use logging framework like Logback or Log4J, to not put them on the raw console because it is very hard to control it.
With logging framework you can easily redirect stack traces to file, console or even send them to a specified e-mail address. With hardcoded printStackTrace() you have to li...
How to write a CSS hack for IE 11? [duplicate]
...org/css_hacks.html to see if the ie11 one is working natively for you. The raw css-only ie10-11 media query above should still work and combining that with the ie11 one to separate ie10 from ie11 within the media query (without the javascript) should work as well.
– Jeff Clayto...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...c642cb6eb9a060e54bf8d69288fbee4904, the empty tree SHA1.
git log --pretty=raw
commit 9ed4ff9ac204f20f826ddacc3f85ef7186d6cc14
tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904 <====
author VonC <vonc@laposte.net> 1381232247 +0200
committer VonC <vonc@laposte.net> 1381232247 +0200
...
Do I cast the result of malloc?
...e (alleged) desired type right next to the arithmetic you're doing for the raw size of that variable. I bet you could do an SO study that shows that malloc() bugs are caught much faster when there's a cast. As with assertions, annotations that reveal intent decrease bugs.
Repeating yourself in a wa...
Reading a file line by line in Go
...olution, it can be run via go run main.go, or at https://play.golang.org/p/RAW3sGblbas
package main
import (
"bufio"
"bytes"
"fmt"
"io"
"os"
)
func readFileWithReadString(fn string) (err error) {
fmt.Println("readFileWithReadString")
file, err := os.Open(fn)
if err...
How to add property to a class dynamically?
...s, and easy ways to easily access everything. .x for property, ._x for the raw data the getter / setter uses ( which can be None ), and .__x for the accessor object.
– Acecool
Jan 27 at 6:12
...
What is Bootstrap?
...ify the default theme as much as you want, but it's a better baseline than raw html, css and js. And this is why it's called "framework".
Different web browsers have different default styles and can act differently, and need different CSS prefixes and things like that. A major benefit of Bootstrap ...