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Subtract days from a date in JavaScript
Does anybody know of an easy way of taking a date (e.g. Today) and going back X days?
32 Answers
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How JavaScript closures are garbage collected
...ndow.f_ = f();
window.f_('some');
In example above the GC has no way of knowing if the variable is used or not (code tested and works in Chrome30, FF25, Opera 12 and IE10).
The memory is released if the reference to the object is broken by assigning another value to window.f_.
In my opinion this...
Select parent element of known element in Selenium
...her icons and texts -->
<span>Close</span>
</a>
Now that you need to select parent tag 'a' based on <span> text, then use
driver.findElement(By.xpath("//a[.//span[text()='Close']]"));
Explanation: Select the node based on its child node's value
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How do I update a GitHub forked repository?
...itHub. When you create a forked repository on GitHub and clone it, GitHub knows that the repository is a fork; Git has no reason to, and does not. (Why doesn't the clone copy the Git remotes? Git is decentralized; different people will want different remotes; it would make no sense to do this.) See ...
What is a classpath and how do I set it?
...n you say:
MyClass mine = new MyClass();
The Java Virtual Machine will know where to find your compiled class.
It would be impractical to have the VM look through every folder on your machine, so you have to provide the VM a list of places to look. This is done by putting folder and jar files on...
list every font a user's browser can display
... it down from the server. (Intuitively, it seems like the browser should know what fonts it has and this should be exposed to javascript somehow.)
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What is the correct JSON content type?
...some time, just pushing it out as text and it hasn't hurt anybody (that I know of), but I'd like to start doing things properly.
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Convert file path to a file URI?
...- somehow it decides that some sequences should be decoded but not others. Now we could just prefix with "file:///" ourselves, however this fails to take UNC paths like \\remote\share\foo.txt into account - what seems to be generally accepted on Windows is to turn them into pseudo-urls of the form f...
What are the minimum margins most printers can handle?
...
i thought .25 as well. Didnt know laser printers had larger margins - good thing I asked. Thanks for your replies.
– robodisco
Aug 19 '10 at 6:29
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Does const mean thread-safe in C++11?
...ration --at least not in respect to data races--.
Does that mean const is now the equivalent of Java's synchronized?
No. Not at all...
Consider the following overly simplified class representing a rectangle:
class rect {
int width = 0, height = 0;
public:
/*...*/
void set_size( int ne...