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What is meant by immutable?
...nterface is immutable but behind the scenes actual mutables private state (and therefore can't be shared safely between threads).
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How can I initialise a static Map?
...ght? I don't see why you need an extra anonymous class just to initialize. And it won't work if the class being created is final.
You can create an immutable map using a static initialiser too:
public class Test {
private static final Map<Integer, String> myMap;
static {
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jQuery .data() does not work, but .attr() does
...e doc loads, I loop some elements that originally have data-itemname="" , and I set those values using .attr("data-itemname", "someValue") .
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Effects of changing Django's SECRET_KEY
I made a mistake and committed my Django project's SECRET_KEY into a public repository.
5 Answers
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Spring @PostConstruct vs. init-method attribute
Is there any difference between using the @PostConstruct annotation and declaring the same method as init-method in Spring XML configuration?
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Check if an array contains any element of another array in JavaScript
I have a target array ["apple","banana","orange"] , and I want to check if other arrays contain any one of the target array elements.
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How to get a key in a JavaScript object by its value?
...allowing me to get the key for a value, or do I have to iterate the object and find it out manually?
27 Answers
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How to kill zombie process
I launched my program in the foreground (a daemon program), and then I killed it with kill -9 , but I get a zombie remaining and I m not able to kill it with kill -9 . How to kill a zombie process?
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Convert tuple to list and back
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@Jimmy that's because list is a debugger command, run p list(...) instead.
– moritz
Jan 24 '19 at 2:26
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Stack smashing detected
...elated errors, but like a debugger, it may help you pin-point the location and reason for the crash.
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