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Explicitly calling a default method in Java
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A.super.foo();
This could be used as follows (assuming interfaces A and C both have default methods foo())
public class ChildClass implements A, C {
@Override
public void foo() {
//you could completely override the default implementations
doSomethingElse();
/...
How can I disable editing cells in a WPF Datagrid?
I'm constructing a datagrid in Windows Presentation Foundation, and I have a problem. When a user double-clicks on a cell in my datagrid, the cell goes into edit mode. I want to prevent that. Instead I want users to be able to select the full row - not edit values in it.
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Can I set null as the default value for a @Value in Spring?
...ckoverflow.com/questions/9347929/… mentions using ${some.param:#{null}}, and that worked for me without having to set nullValue, seems that this is the default? (In a Spring Boot application.)
– vorburger
Oct 5 '14 at 21:43
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Correct way to use get_or_create?
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@zypro It's like create(), create object and save it all in one step and doesn't need any save()
– Amin Mir
Jun 19 at 6:05
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ASP.Net: Literal vs Label
I just wanted to hear some authorities on when and where you should use a LITERAL control over a LABEL .
4 Answers
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C++ Structure Initialization
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I personally like and recommend this style
– Dinesh P.R.
Jul 17 '12 at 6:22
40
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How to monitor the memory usage of Node.js?
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node-memwatch : detect and find memory leaks in Node.JS code.
Check this tutorial Tracking Down Memory Leaks in Node.js
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Java Garbage Collection Log messages
...sample of these entries are posted below. I've searched around on Google and have not found solid explanations.
3 Answers...
Multiplication on command line terminal
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For more advanced and precise math consider using bc(1).
echo "3 * 2.19" | bc -l
6.57
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Is it safe to assume a GUID will always be unique?
...h. There are so many GUIDs that if you generate several trillion of them randomly, you're still more likely to get hit by a meteorite than to have even one collision (from Wikipedia). And if you aren't generating them randomly, but are e.g. using the MAC-address-and-time-stamp algorithm, then they...