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Difference between core and processor
...
@Leeor I think I did the test incorrectly. it loooks like my online workspace has virtual CPUs (4) but a single processor. Thats why all of them get busy. When I performed the test on a 2 cpu physical machine (dual core), i can see that the cpu utili...
How to split a String by space
...from rich text editors or web pages. They are not handled by .trim() which tests for characters to remove using c <= ' '; \s will not catch them either.
Instead, you can use \p{Blank} but you need to enable unicode character support as well which the regular split won't do. For example, this will...
How to specify function types for void (not Void) methods in Java8?
...sing a static method reference, in your case by doing:
myForEach(theList, Test::displayInt);
Ultimately, you could even get rid of your myForEach method altogether and simply do:
theList.forEach(Test::displayInt);
About Functions as First Class Citizens
All been said, the truth is that Java 8...
How would one write object-oriented code in C? [closed]
...http) {
http->open = &httpOpen;
return 0;
}
And finally a test program to show it in action:
// Test program.
int main (void) {
int status;
tCommClass commTcp, commHttp;
// Same 'base' class but initialised to different sub-classes.
tcpInit (&commTcp);
ht...
What Are the Differences Between PSR-0 and PSR-4?
...gs;
| +-- Road
| | +-- Car.php - namespace Vehicle\Road;
+-- tests
+-- test.php
+-- vendor
Difference between psr-0 and psr-4
psr-0
It is deprecated. Looking at vendor/composer/autoload_namespaces.php file you can see the namespaces and the directories that they are mapped to.
...
jQuery Popup Bubble/Tooltip [closed]
...function createTooltip(event){
$('<div class="tooltip">test</div>').appendTo('body');
positionTooltip(event);
};
Then you create a function that position the tooltip with the offset position of the DOM-element that triggered the mouseover event, this is doable...
Best Practice for Exception Handling in a Windows Forms Application?
...s which might be thrown have a performance hit compared with pre-emptively testing things like whether a file on disk exists?"
The naive rule of thumb is "try/catch blocks are expensive." That's not actually true. Trying isn't expensive. It's the catching, where the system has to create an Excep...
Is it possible to focus on a using JavaScript focus() function?
...div only focus-able by script, not the user.
document.getElementById('test').onclick = function () {
document.getElementById('scripted').focus();
};
div:focus {
background-color: Aqua;
}
<div>Element X (not focusable)</div>
<div tabindex="0">Element Y (user or s...
Logger slf4j advantages of formatting with {} instead of string concatenation
...out knowing if it is needed or not (the traditional "is debugging enabled" test known from log4j), and should be avoided if possible, as the {} allows delaying the toString() call and string construction to after it has been decided if the event needs capturing or not. By having the logger format a ...
Format a Go string without printing?
...b",
"UserName": "bob92",
"Roles": []string{"dbteam", "uiteam", "tester"},
}
Normally output of templates are written to an io.Writer, so if you want the result as a string, create and write to a bytes.Buffer (which implements io.Writer). Executing the template and getting the result as ...