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Java: Equivalent of Python's range(int, int)?
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From Java 8, IntStream and LongStream have methods range and rangeClosed.
– Jose Manuel Gomez Alvarez
Dec 19 '18 at 22:51
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MySQL combine two columns into one column
...f the values to numbers. If a value does not start with a digit, then the converted value is 0.
So try this:
select concat(column1, column2)
Two ways to add a space:
select concat(column1, ' ', column2)
select concat_ws(' ', column1, column2)
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Removing “NUL” characters
...ollowing:
//The hexidecimal 0x0 is the null character
mystring.Contains(Convert.ToChar(0x0).ToString() );
// This will replace the character
mystring = mystring.Replace(Convert.ToChar(0x0).ToString(), "");
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Passing a 2D array to a C++ function
... You're right, there're only really two cases; one is a pointer-to-pointer and other being a single pointer to an integer array of size n i.e. int (*a) [10].
– legends2k
Jul 10 '13 at 10:44
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代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
报错信息：
3月 04, 2025 9:50:11 上午 com.google.appengine.tools.development.ApiProxyLocalImpl log
严重: javax.servlet.ServletContext log: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract long com.google.appinv...
Difference between int[] array and int array[]
...d to help C programmers get used to java.
int[] array is much preferable, and less confusing.
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Placement of the asterisk in pointer declarations
I've recently decided that I just have to finally learn C/C++, and there is one thing I do not really understand about pointers or more precisely, their definition.
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Why is the asterisk before the variable name, rather than after the type?
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perhaps but I wouldn't mix and match types in one declaration.
– BobbyShaftoe
Dec 30 '08 at 3:13
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Setting an int to Infinity in C++
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And if you really need infinity as an int, write a wrapper class that overloads the comparison operators and has a boolean variable named "is_infinity".
– user142019
Dec 31 '11 at 21:22
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Static fields on a null reference in Java
...ver you access a static variable or method with objects at compile time it converted to Class name. eg:
Main main = null;
System.out.println(main.value);
It will print the value of static variable value because at compile time It will be converted to
System.out.println(Main.value);
Proof:
do...