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what is the difference between XSD and WSDL
...s. For example, a company in Chicago might develop a web application using Java and another company in New York might develop an application in C# and when these two companies decided to share information then XML comes into picture. It helps to store and transport data between two different applica...
When to use nested classes and classes nested in modules?
...instantiated without being bound to an upper level class. For instance, in Java,
class Car {
class Wheel { }
}
only methods in the Car class can create Wheels.
Ruby doesn’t have that behaviour.
In Ruby,
class Car
class Wheel
end
end
differs from
class Car
end
class Wheel
end
on...
Intellij IDEA generate for-each/for keyboard shortcut
...s. Type one of the following and hit "tab":
iter Iteration according to Java SDK 1.5 style
inst Check object type with instanceof and downcast it
itco Iterate elements of java.util.Collection
itit Iterate elements of java.util.Iterator
itli Iterate elements of java.util.List
...
Why are private fields private to the type, not the instance?
... to lower mutual dependence of different pieces of code (classes in C# and Java), not different objects in memory.
For example, if you write code in one class that uses some fields in another class, then these classes are very tightly coupled. However, if you are dealing with code in which you hav...
App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...
...xtensions (extension/bluetoothle 分支)
关键文件：
- BluetoothLE.java（2975行）-- 公开API层
- BluetoothLEint.java（3165行）-- 内部实现层
二、核心发现：23字节硬编码限制
2.1 WriteStrings 的写入路径
位于 BLEWriteOperation.write() 方法第678-690...
How to change a module variable from another module?
...erence to that symbol.
In other words, importing is NOT like an import in JAVA, external declaration in C/C++ or even a use clause in PERL.
Rather, the following statement in Python:
from some_other_module import a as x
is more like the following code in K&R C:
extern int a; /* import from...
TypeError: 'NoneType' object is not iterable in Python
...ier on, and pukes up a bunch of unrelated nonsense all over the carpet.
Java or C++ doesn't have these problems because such a program wouldn't be allowed to compile since you haven't defined what to do when None occurs. Python gives the programmer lots of rope to hang himself by allowing you to...
ImageView in circular through xml
...
yes, using XML, because using java code is very expensive to the mobile. With this code it only appears a circle behind my image, not the image itself being a circle. I presume is for the border, I want the image to me rounded in a circle within this one
...
recursion versus iteration
...d the n th triangular number:
Using an iterative algorithm:
//Triangular.java
import java.util.*;
class Triangular {
public static int iterativeTriangular(int n) {
int sum = 0;
for (int i = 1; i <= n; i ++)
sum += i;
return sum;
}
public static void main(Stri...
Eclipse jump to closing brace
...
For me this only works with JAVA. When I edit javascript code inside an JSP file, it doesn't work.
– John Henckel
Feb 22 '16 at 16:46
...