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Is iterating ConcurrentHashMap values thread safe?
...t.Executors;
public class ConcurrentMapIteration
{
private final Map<String, String> map = new ConcurrentHashMap<String, String>();
private final static int MAP_SIZE = 100000;
public static void main(String[] args)
{
new ConcurrentMapIteration().run();
}
public Concur...
How to remove new line characters from a string?
I have a string in the following format
11 Answers
11
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Casting to string in JavaScript
I found three ways to cast a variable to String in JavaScript.
I searched for those three options in the jQuery source code, and they are all in use .
I would like to know if there are any differences between them:
...
Why Func instead of Predicate?
...x)
{
Console.WriteLine(x.Message);
}
static void Main(string[] args)
{
// can assign any method having the right pattern
ExceptionHandler1 x1 = MyExceptionHandler;
// and yet cannot assign a delegate with identical declaration!
ExceptionHand...
get string value from HashMap depending on key name
...t: you edited your question with the following:
I'm expecting to see a String, such as "ABC" or "DEF" as that is what I put in there initially, but if I do a System.out.println() I get something like java.lang.string#F0454
Sorry, I'm not too familiar with maps as you can probably guess ;)
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Concatenating null strings in Java [duplicate]
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Why must it work?
The JLS 5, Section 15.18.1.1 JLS 8 § 15.18.1 "String Concatenation Operator +", leading to JLS 8, § 5.1.11 "String Conversion", requires this operation to succeed without failure:
...Now only reference values need to be considered. If the reference is null, it is co...
Given an emacs command name, how would you find key-bindings ? (and vice versa)
...t for Emacs users to use in their init files but this function having a docstring seems to suggest otherwise. Anyone considering use of where-is-internal should first check if remapping keys instead can achieve their goal.
An alternative for finding the keys that are bound to a specific command (e....
How to get the last char of a string in PHP?
I need to get the last character of a string.
Say I have "testers" as input string and I want the result to be "s". how can I do that in PHP?
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Replace a character at a specific index in a string?
I'm trying to replace a character at a specific index in a string.
8 Answers
8
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Is there a splice method for strings?
...he Javascript splice only works with arrays. Is there similar method for strings? Or should I create my own custom function?
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