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How do I get java logging output to appear on a single line?
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As of Java 7, java.util.logging.SimpleFormatter supports getting its format from a system property, so adding something like this to the JVM command line will cause it to print on one line:
-Djava.util.logging.SimpleFormatter.format='%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS %4$s %2$s %5$s%6$s%...
XPath OR operator for different nodes
How can I do with XPath:
3 Answers
3
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Give examples of functions which demonstrate covariance and contravariance in the cases of both over
...per {
String getSomething() {}
}
Sub#getSomething is covariant because it returns a subclass of the return type of Super#getSomething (but fullfills the contract of Super.getSomething())
Contravariance
class Super{
void doSomething(String parameter)
}
class Sub extends Super{
void doSometh...
Convert a positive number to negative in C#
You can convert a negative number to positive like this:
22 Answers
22
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How do you allow spaces to be entered using scanf?
...n).
Remember than scanf stands for "scan formatted" and there's precious little less formatted than user-entered data. It's ideal if you have total control of the input data format but generally unsuitable for user input.
Use fgets() (which has buffer overflow protection) to get your input into a ...
What is the difference between Type and Class?
...d .The class
defines object's internal state and
the implementation of its
operations.
In contrast, an object's
type only refers to its interface - a
set of requests to which it can
respond.
An object can have many types,
and objects of different classes can
have the same t...
How to get ALL child controls of a Windows Forms form of a specific type (Button/Textbox)?
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Here's another option for you. I tested it by creating a sample application, I then put a GroupBox and a GroupBox inside the initial GroupBox. Inside the nested GroupBox I put 3 TextBox controls and a button. This is the code I used (even includes the recursion you...
How do I enumerate the properties of a JavaScript object? [duplicate]
...ll not get private variables this way because they are not available.
EDIT: @bitwiseplatypus is correct that unless you use the hasOwnProperty() method, you will get properties that are inherited - however, I don't know why anyone familiar with object-oriented programming would expect anything le...
How to round a number to n decimal places in Java
... rounds using the half-up method - i.e. if the decimal to be rounded is 5, it always rounds up to the next number. This is the standard method of rounding most people expect in most situations.
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How line ending conversions work with git core.autocrlf between different operating systems
...ad a lot of different questions and answers on Stack Overflow as well as git documentation on how the core.autocrlf setting works.
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