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How do you get the “object reference” of an object in java when toString() and hashCode() have been
... to make sure that the object is the same (or different) depending on the situation.
6 Answers
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Google Docs/Drive - number the headings
Is it possible to number the headings in a Google Docs/Drive document?
6 Answers
6
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getResourceAsStream() vs FileInputStream
...erent, but thus not C:\Tomcat\webapps\contextname or whatever you'd expect it to be. In a normal Eclipse project, that would be C:\Eclipse\workspace\projectname. You can learn about the current working directory the following way:
System.out.println(new File(".").getAbsolutePath());
However, the wo...
Which, if any, C++ compilers do tail-recursion optimization?
It seems to me that it would work perfectly well to do tail-recursion optimization in both C and C++, yet while debugging I never seem to see a frame stack that indicates this optimization. That is kind of good, because the stack tells me how deep the recursion is. However, the optimization would be...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...rent memory addresses
one of those moved instructions was an important conditional branch
that branch was being incorrectly predicted due to aliasing in the branch prediction table
moving the branch eliminated the alias and allowed the branch to be predicted correctly
Your Core2 doesn't keep a sep...
JavaScript string newline character?
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I've just tested a few browsers using this silly bit of JavaScript:
function log_newline(msg, test_value) {
if (!test_value) {
test_value = document.getElementById('test').value;
}
console.log(msg + ': ' + (test_value.match(/\r/) ? 'CR' : '')
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How do I update Node.js?
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Use Node Version Manager (NVM)
It's a Bash script that lets you download and manage different versions of node. Full source code is here.
There is a separate project for nvm for Windows: github.com/coreybutler/nvm-windows
Below are the full steps to use ...
Calculate number of hours between 2 dates in PHP
...l, DateTimeZone and DatePeriod. The cool thing about this classes is, that it considers different timezones, leap years, leap seconds, summertime, etc. And on top of that it's very easy to use. Here's what you want with the help of this objects:
// Create two new DateTime-objects...
$date1 = new Da...
Tick symbol in HTML/XHTML
We need to display a tick symbol (✓ or ✔) within an internal web app and would ideally like to avoid using an image.
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Difference between Java Enumeration and Iterator
...xact difference between these two interfaces? Does Enumeration have benefits over using Iterator ? If anyone could elaborate, a reference article would be appreciated.
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