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How to synchronize a static variable among threads running different instances of a class in Java?
I know that using the synchronize keyword before a method brings synchronization to that object. That is, 2 threads running the same instance of the object will be synchronized.
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Using lambda expressions for event handlers
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There are no performance implim>cat m>ions since the compiler will translate your lambda expression into an equivalent delegate. Lambda expressions are nothing more than a language feature that the compiler translates into the exact same code that ...
Reading a string with scanf
I'm a little bit confused about something. I was under the impression that the correct way of reading a C string with scanf() went along the lines of
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Cannot pass null argument when using type hinting
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PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be null with this syntax
function foo(?Type $t) {
}
this will result in
$this->foo(new Type()); // ok
$this->foo(null); // ok
$this->foo(); // error
So, if y...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
I can't seem to be able to find a summary that distinguishes the difference between these three annotations.
3 Answers
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How can I format a String number to have commas and round?
What is the best way to format the following number that is given to me as a String?
10 Answers
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C/C++ Struct vs Class
After finishing my C++ class it seemed to me the structs/classes are virtually identical except with a few minor differences.
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Intellij Idea 9/10, what folders to check into (or not check into) source control?
Our team has just moved from Netbeans to Intellij 9 Ultimate and need to know what files/folders should typically be excluded from source control as they are not "workstation portable", i.e.: they reference paths that only exist on one user's computer.
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Setting up two different static directories in node.js Express framework
...up two different directories to serve static files. Let's say /public and /mnt
4 Answers
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“find: paths must precede expression:” How do I specify a recursive search that also finds files in
I am having a hard time getting find to look for matches in the current directory as well as its subdirectories.
6 Answe...