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Factory Pattern. When to use factory methods?
...got someone that will need a variable number of workers. This person may know some info they need in the people they hire, but that's it.
So, when they need a new employee, they call the hiring agency and tell them what they need. Now, to actually hire someone, you need to know a lot of stuff - b...
How to get a time zone from a location using latitude and longitude coordinates?
...n R-Tree
Find the nearest city with MySQL
Please update this list if you know of any others
Also, note that the nearest-city approach may not yield the "correct" result, just an approximation.
Conversion To Windows Zones
Most of the methods listed will return an IANA time zone id. If you need to c...
MySQL COUNT DISTINCT
... countVisits
, site_id As site
From cp_visits
Where ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
Group By site_id
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How to get a json string from url?
...em.Net.WebClient()) {
var json = webClient.DownloadString(URL);
// Now parse with JSON.Net
}
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How does Facebook Sharer select Images and other metadata when sharing my URL?
...
Minimum image size is now 200x200px.
– Tr1stan
Jun 20 '13 at 16:49
1
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Combining Multiple Commits Into One Prior To Push
...ne with. So it has to be picked or 'p'. Use 'Esc' to exit insert mode.
3) Now, save the editor with the following command.
:wq
When you save that, you have a single commit that introduces the changes of all three previous commits.
Hope this will help you.
...
Abstract functions in Swift Language
...abstractFunction. The protocol would stay the same, and the classes would now look like:
class BaseThing
{
func sharedFunction(thing: Thing)
{
println("All classes share this implementation")
thing.abstractFunction()
}
}
class DerivedThing : BaseThing, Thing
{
fun...
How to test code dependent on environment variables using JUnit?
...
I know this question is old, but I wanted to say that this is the correct answer. The accepted answer encourages poor design with a hidden dependency on System, whereas this answer encourages a proper design treating System as j...
What is a serialVersionUID and why should I use it?
...ersioning support of Serialization, (a) to ensure that the class really is now serialization-incompatible way, which per the specification is quite difficult to achieve; (b) to try a scheme such as custom read/writeObject() methods, readResolve/writeReplace() methods, serializableFields declarations...
How do I unbind “hover” in jQuery?
...ing you to expressly remove each of the literal event names. Using $.off() now allows you to drop both mouse events using the same shorthand.
Edit 2016:
Still a popular question so it's worth drawing attention to @Dennis98's point in the comments below that in jQuery 1.9+, the "hover" event was de...