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Abstract classes in Swift Language
...a Java Interface.
With Swift 2.0, you can then add method implementations and calculated property implementations using protocol extensions. Your only restrictions are that you can't provide member variables or constants and there is no dynamic dispatch.
An example of this technique would be:
pro...
What is SuppressWarnings (“unchecked”) in Java?
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Sometimes Java generics just doesn't let you do what you want to, and you need to effectively tell the compiler that what you're doing really will be legal at execution time.
I usually find this a pain when I'm mocking a generic interface, but there are other examples too. It's usually wor...
Compare version numbers without using split function
... @dev_Boston only one exception...just do with these values v1=1.0001 and v2=1.1 .it gives me equal.
– Sankar M
Sep 27 '11 at 11:31
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Limiting the number of records from mysqldump?
... --no-create-info flag on pages other than the first to only dump the data and leave off the create table stuff.
– pfuri
Apr 10 '17 at 19:56
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Can't connect to MySQL server error 111 [closed]
...ut when i try to connect to this IP it alway error(111). but use localhost and 127.0.0.1 is OK.
4 Answers
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How to find elements by class
...]) It's safer if you don't have many classes.
– Nuno André
Jul 7 '15 at 14:06
4
This should be t...
jQuery $.ajax(), $.post sending “OPTIONS” as REQUEST_METHOD in Firefox
... Jul 10 '09 at 12:34
Jonas SkovmandJonas Skovmand
1,74611 gold badge1010 silver badges22 bronze badges
...
How do I concatenate two arrays in C#?
...faster than list when accessing data, because list just wraps array inside and has overhead for calling indexer.
– C0DEF52
May 26 '18 at 22:15
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Android: Tabs at the BOTTOM
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Here's the simplest, most robust, and scalable solution to get tabs on the bottom of the screen.
In your vertical LinearLayout, put the FrameLayout above the TabWidget
Set layout_height to wrap_content on both FrameLayout and TabWidget
Set FrameLayout'...
mongodb group values by multiple fields
...takes an "pipeline" expression as an argument instead of the "localFields" and "foreignFields" options. This then allows a "self-join" with another pipeline expression, in which we can apply $limit in order to return the "top-n" results.
db.books.aggregate([
{ "$group": {
"_id": "$addr",
"...