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What is Bit Masking?
...esult: 00000101b
Masking is implemented using AND, so in C we get:
uint8_t stuff(...) {
uint8_t mask = 0x0f; // 00001111b
uint8_t value = 0x55; // 01010101b
return mask & value;
}
Here is a fairly common use-case: Extracting individual bytes from a larger word. We define the high-...
Should JAVA_HOME point to JDK or JRE?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Rails Observer Alternatives for 4.0
...odels you wish to run the after_save in:
class MyModel < ActiveRecord::Base
include MyConcernModule
end
Depending on what you're doing, this might get you close without observers.
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Rotating a two-dimensional array in Python
...ke it clear what zip does, it will group elements from each input iterable based on index, or in other words it groups the columns.
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What tools are there for functional programming in C?
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FFCALL lets you build closures in C -- callback = alloc_callback(&function, data) returns a function pointer such that callback(arg1, ...) is equivalent to calling function(data, arg1, ...). You will have to handle garbage collection manually, though.
Relatedly, blocks have...
Why is  appearing in my HTML? [duplicate]
...
// Tell me the root folder path.
// You can also try this one
// $HOME = $_SERVER["DOCUMENT_ROOT"];
// Or this
// dirname(__FILE__)
$HOME = dirname(__FILE__);
// Is this a Windows host ? If it is, change this line to $WIN = 1;
$WIN = 0;
// That's all I need
?>
<!DOCTYPE html PUBLIC "-//W3C/...
Android – Listen For Incoming SMS Messages
... protected override void OnCreate(Bundle bundle) {
base.OnCreate(bundle);
global::Xamarin.Forms.Forms.Init(this, bundle);
LoadApplication(new App());
// Register your receiver : RegisterReceiver(_receiver, new IntentFilter("a...
How to get all properties values of a JavaScript Object (without knowing the keys)?
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lodash is unnecessary for this and will bloat your code base
– dman
Apr 17 '18 at 18:23
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UITableView with fixed section headers
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to search a string in multiple files and return the names of files in Powershell?
... Move-Item doesn't have name parameter. Try adding | %{Move-Item $_.name <destination>}
– jon Z
Sep 5 '12 at 16:48
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