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How to dismiss notification after action has been clicked
Since API level 16 (Jelly Bean), there is the possibility to add actions to a notification with
9 Answers
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How do I get the current time zone of MySQL?
...like this:
mysql> SELECT @@global.time_zone, @@session.time_zone;
Edit The above returns SYSTEM if MySQL is set to slave to the system's timezone, which is less than helpful. Since you're using PHP, if the answer from MySQL is SYSTEM, you can then ask the system what timezone it's using via d...
What is the difference between the template method and the strategy patterns?
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The main difference between the two is when the concrete algorithm is chosen.
With the Template method pattern this happens at compile-time by subclassing the template. Each subclass provides a different concrete algorithm by implementing the template's abstract methods. When a clien...
Write a number with two decimal places SQL server
How do you write a number with two decimal places for sql server?
10 Answers
10
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What is a smart pointer and when should I use one?
...ue_ptr, std::shared_ptr and std::weak_ptr.
There was also std::auto_ptr. It was very much like a scoped pointer, except that it also had the "special" dangerous ability to be copied — which also unexpectedly transfers ownership.
It was deprecated in C++11 and removed in C++17, so you shouldn't u...
Why do we not have a virtual constructor in C++?
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Hear it from the horse's mouth. :)
From Bjarne Stroustrup's C++ Style and Technique FAQ Why don't we have virtual constructors?
A virtual call is a mechanism to get work done given partial
information. In particular, "virtu...
nuget 'packages' element is not declared warning
not a showstopper but when using nuget in a project, it creates a packages.config file with this shape
7 Answers
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How does the HyperLogLog algorithm work?
I've been learning about different algorithms in my spare time recently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list.
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Mercurial stuck “waiting for lock”
Got a bluescreen in windows while cloning a mercurial repository.
11 Answers
11
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Is it possible to allow didSet to be called during initialization in Swift?
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Create an own set-Method and use it within your init-Method:
class SomeClass {
var someProperty: AnyObject! {
didSet {
//do some Stuff
}
}
init(someProperty: AnyObject) {
setSomeProperty(someProperty)
}
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