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Why is volatile not considered useful in multithreaded C or C++ programming?
...ed in this answer I recently posted, I seem to be confused about the utility (or lack thereof) of volatile in multi-threaded programming contexts.
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Can you use a trailing comma in a JSON object?
When manually generating a JSON object or array, it's often easier to leave a trailing comma on the last item in the object or array. For example, code to output from an array of strings might look like (in a C++ like pseudocode):
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Why are interface variables static and final by default?
...follow
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edited Mar 17 '15 at 17:25
Dave Jarvis
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Importing CSV with line breaks in Excel 2007
... behave differently depending on whether a CSV file is imported by opening it from the File->Open menu or by double-clicking on the file in Explorer.
I have a CSV file that is in UTF-8 encoding and contains newlines in some cells. If I open this file from Excel's File->Open menu, the "import ...
When to use static vs instantiated classes
PHP is my first programming language. I can't quite wrap my head around when to use static classes vs instantiated objects.
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What does void* mean and how to use it?
...neric" pointer type. A void * can be converted to any other pointer type without an explicit cast. You cannot dereference a void * or do pointer arithmetic with it; you must convert it to a pointer to a complete data type first.
void * is often used in places where you need to be able to work wit...
Detect when an image fails to load in Javascript
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You could try the following code. I can't vouch for browser compatibility though, so you'll have to test that.
function testImage(URL) {
var tester=new Image();
tester.onload=imageFound;
tester.onerror=imageNotFound;
tester.src=URL;
}
function imageFound() {
alert('That im...
What is a plain English explanation of “Big O” notation?
I'd prefer as little formal definition as possible and simple mathematics.
41 Answers
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float:left; vs display:inline; vs display:inline-block; vs display:table-cell;
...asked about:
float:left;
I dislike floats because of the need to have additional markup to clear the float. As far as I'm concerned, the whole float concept was poorly designed in the CSS specs. Nothing we can do about that now though. But the important thing is it does work, and it works in all b...
How do I write a correct micro-benchmark in Java?
How do you write (and run) a correct micro-benchmark in Java?
11 Answers
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