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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...ood to about 11-12 bits.
It's implemented with a lookup table (i.e. a ROM) indexed by the mantissa. (In fact, it's a compressed lookup table, similar to mathematical tables of old, using adjustments to the low-order bits to save on transistors.)
The reason why it's available is that it is the initia...
How to use glyphicons in bootstrap 3.0
...Put together with the other folders "css, js".
Example Before:
\css
\js
index.html
Example After Upload:
\css
\fonts
\js
index.html
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How to configure socket connect timeout
...k result = socket.ConnectAsync(host, port);
int index = Task.WaitAny(new[] { result }, timeout);
connected = socket.Connected;
if (!connected) {
socket.Close();
}
return connected;
}
...
How to iterate over the keys and values with ng-repeat in AngularJS?
...="(key, prop) in toDoListCntrlAs.toDoListItems">
<span>{{$index+1}} : {{key}} : Title = {{ prop.title}} : Status = {{ prop.completed}} </span>
</div>
</div>
</body>
...
No submodule mapping found in .gitmodule for a path that's not a submodule
...e git rm command which is advised is for removing the special entry in the index indicating a submodule (a 'folder' with a special mode 160000).
If that special entry path isn't referenced in the .gitmodule (like 'Classes/Support/Three20' in the original question), then you need to remove it, in ...
Hidden features of Scala
...
Case classes automatically mixin the Product trait, providing untyped, indexed access to the fields without any reflection:
case class Person(name: String, age: Int)
val p = Person("Aaron", 28)
val name = p.productElement(0) // name = "Aaron": Any
val age = p.productElement(1) // age = 28: Any...
Get HTML5 localStorage keys
...
You can use the localStorage.key(index) function to return the string representation, where index is the nth object you want to retrieve.
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File is universal (three slices), but it does not contain a(n) ARMv7-s slice error for static librar
...on. It removes the error, but you only get build for the current arch, not all on the market...
– esbenr
Mar 21 '13 at 9:57
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how to run two commands in sudo?
...any way how I can run two Db2 commands from a command line? (They will be called from a PHP exec command.)
10 Answers
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How can I add an empty directory to a Git repository?
...
You can't. See the Git FAQ.
Currently the design of the git index
(staging area) only permits files to
be listed, and nobody competent enough
to make the change to allow empty
directories has cared enough about
this situation to remedy it.
Directories are added automati...