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What is the purpose of Android's tag in XML layouts?
...on1"
android:text="Button" />
</LinearLayout>
In your java code, all this is transparent: findViewById(R.id.textView1) in your activity class returns the correct widget ( even if that widget was declared in a xml file different from the activity layout).
And the cherry on top: ...
Why do we need virtual functions in C++?
...inding vs static and yes it is weird if you 're coming from languages like Java.
– peterchaula
Aug 6 '16 at 15:18
...
What is a “context bound” in Scala?
...tring]#From](t: T) = 0
f2: [T](t: T)(implicit evidence$1: (T) => java.lang.String)Int
scala> f2(1)
res1: Int = 0
A context bound must be used with a type constructor of kind * => *. However the type constructor Function1 is of kind (*, *) => *. The use of the type alias partial...
File input 'accept' attribute - is it useful?
...lication/x-internet-signup isp
application/x-iphone iii
application/x-javascript js
application/x-latex latex
application/x-msaccess mdb
application/x-mscardfile crd
application/x-msclip clp
application/x-msdownload dll
application/x-msmediaview m13
application/x-msmediaview m1...
Drawing Isometric game worlds
...er:
Note: The illustrations included in this answer were created with a Java implementation of the tile rendering code presented, with the following int array as the map:
tileMap = new int[][] {
{0, 1, 2, 3},
{3, 2, 1, 0},
{0, 0, 1, 1},
{2, 2, 3, 3}
};
The tile images are:
ti...
JPA: How to have one-to-many relation of the same Entity type
...
Not the answer you're looking for? Browse other questions tagged java orm jpa hierarchy one-to-many or ask your own question.
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
...ing it all in one block.
BEGIN and END are just like { and } in C/++/#, Java, etc.
They bound a logical block of code. I tend to use BEGIN and END at the start and end of a stored procedure, but it's not strictly necessary there. Where it IS necessary is for loops, and IF statements, etc, wher...
What is the difference between loose coupling and tight coupling in the object oriented paradigm?
...
Java interfaces are tools that can aid this. However they are not required. The concept of program to the interface not the implementation means program to the public methods/attributes (or ones that are meant to be used by e...
Is there any way to put malicious code into a regular expression?
...per on Regular Expression Matching Can Be Simple And Fast
(but is slow in Java, Perl, PHP, Python, Ruby, ...) talks about ways that most modern NFAs, which all seem to derive from Henry Spencer’s code, suffer severe performance degradation, but where a Thompson‐style NFA has no such problems.
...
How to create the most compact mapping n → isprime(n) up to a limit N?
...is this different from Derri Leahi's (non-)answer (other than C instead of Java)? How does this answer What is the algorithm that produces a data structure with lowest memory consumption for the range (1, N]?
– greybeard
Feb 3 '18 at 11:51
...