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php implode (101) with quotes
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$ids = sprintf("'%s'", implode("','", $ids ) );
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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
... is zero.
Again, this varies somewhat by platform - especially what they call these things, but this should be representative of the concepts and various mechanisms at play.
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Is “IF” expensive?
...s work.
The current instruction to be executed is stored in something typically called the instruction pointer (IP) or program counter (PC); these terms are synonymous, but different terms are used with different architectures. For most instructions, the PC of the next instruction is just the curr...
How to check if a service is running on Android?
...ce that it had started is also killed but the service's onDestroy() is not called. So the static variable cannot be updated in such a scenario resulting in inconsistent behaviour.
– faizal
Jul 10 '14 at 8:05
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Where can I download Spring Framework jars without using Maven?
...4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>spring-source-download</groupId>
<artifactId>SpringDependencies</artifactId>
<version>1.0</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build....
How to wait for async method to complete?
...shell, when I need to write data to the device, this is the code that gets called:
7 Answers
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How do I assign an alias to a function name in C++?
... old_function<T>;
Moreover, starting with C++11 you have a function called std::mem_fn that allows to alias member functions. See the following example:
struct A {
void f(int i) {
std::cout << "Argument: " << i << '\n';
}
};
A a;
auto greet = std::mem_fn(&...
How do I use $scope.$watch and $scope.$apply in AngularJS?
... cycle and $scope
First and foremost, AngularJS defines a concept of a so-called digest cycle. This cycle can be considered as a loop, during which AngularJS checks if there are any changes to all the variables watched by all the $scopes. So if you have $scope.myVar defined in your controller and t...
Looking for files NOT owned by someone
...he body. Here's one that answers the titular question but has not been provided:
$ find / -nouser
You can use it like so:
$ sudo find /var/www -nouser -exec chown root:apache {} \;
And a related one:
$ find / -nogroup
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When is finally run if you throw an exception from the catch block?
In the above block when is the finally block called? Before the throwing of e or is finally called and then catch?
7 Answer...