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When is std::weak_ptr useful?
...want to keep them in memory, so you hold a strong pointer to them. Periodically, you scan the cache and decide which objects have not been accessed recently. You don't need to keep those in memory, so you get rid of the strong pointer.
But what if that object is in use and some other code holds a s...
What do the return values of node.js process.memoryUsage() stand for?
...
Heap: a memory segment dedicated to storing reference types like objects, strings and closures.
Now it is easy to answer the question:
rss: Resident Set Size
heapTotal: Total Size of the Heap
heapUsed: Heap actually Used
Ref: http://apmblog.dynatrace.com/2015/11/04/understanding-garbage-col...
How to get notified about changes of the history via history.pushState?
...);
}
// ... whatever else you want to do
// maybe call onhashchange e.handler
return pushState.apply(history, arguments);
};
})(window.history);
Your jsfiddle becomes:
window.onpopstate = history.onpushstate = function(e) { ... }
You can monkey-patch window.h...
What is a semaphore?
...ic static Semaphore Bouncer { get; set; }
public static void Main(string[] args)
{
// Create the semaphore with 3 slots, where 3 are available.
Bouncer = new Semaphore(3, 3);
// Open the nightclub.
OpenNightclub();
}
...
JavaScript: filter() for Objects
...rible things will happen to your code. Things will break. You're extending all object types, including object literals.
Here's a quick example you can try:
// Extend Object.prototype
Object.prototype.extended = "I'm everywhere!";
// See the result
alert( {}.extended ); // "I'm ev...
Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
...project): it almost work - with \v... regexp work find; in the replacement string, & works but \ are protected (\1\r are lost)
– JJoao
May 6 '15 at 8:11
...
convert_tz returns null
...ving these files to a different location such as /usr/share/zoneinfo/.bak/ allows for the command
mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root -p mysql
to fully populate all of the expected timezone information.
This may or may not be a bug in my installed version of MySQL:
$ mysql -...
Using msbuild to execute a File System Publish Profile
...
Found the answer here:
http://www.digitallycreated.net/Blog/59/locally-publishing-a-vs2010-asp.net-web-application-using-msbuild
Visual Studio 2010 has great new Web Application Project publishing
features that allow you to easy publish your web app project ...
Best Practice: Access form elements by HTML id or name attribute?
...nterface of an HTMLFormElement which has caller getter any namedItem(in DOMString name);. More at whatwg.org/specs/web-apps/current-work/multipage/…
– Anurag
Mar 13 '10 at 3:49
1...
What is setup.py?
Can anyone please explain what setup.py is and how it can be configured or used?
10 Answers
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