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What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
...@some_var.is_a?(Hash)
It's worth noting that the "is_a?" method is true if the class is anywhere in the objects ancestry tree. for instance:
@some_var.is_a?(Object) # => true
the above is true if @some_var is an instance of a hash or other class that stems from Object. So, if you want a str...
Prevent scroll-bar from adding-up to the Width of page on Chrome
...small issue trying to keep my .html pages at a consistent width on Chrome,
For example I have a page (1) with lots of contents that overflows the viewport's (right word?) height, so there's a vertical scroll-bar on that page (1). On page (2) i have the same layout (menus, divs,...etc) but less conte...
What are the differences between mocks and stubs on Rhino Mocks?
...ion.login method worked, we might want to check that user.lastLoggedIn was set. We could create a mock User that implements this method. When we call session.login, we can assert that user.lastLoggedIn has the state we expected.
To sum up
A mock is a stub with an implementation, which lets us test...
Matplotlib (pyplot) savefig outputs blank image
...
My solution plt.show() plt.draw() fig.set_dpi(200) fig.savefig('/image.png')
– EduardoUstarez
Apr 9 at 23:32
...
Choosing the best concurrency list in Java [closed]
...re are a lot more options for concurrent Queues and Maps (and you can make Sets from Maps), and those structures tend to make the most sense for many of the types of things you want to do with a shared data structure.
For queues, you have a huge number of options and which is most appropriate depen...
How to copy files from 'assets' folder to sdcard?
I have a few files in the assets folder. I need to copy all of them to a folder say /sdcard/folder. I want to do this from within a thread. How do I do it?
...
Find nearest latitude/longitude with an SQL query
...e $tableName for matches within a 10 mile ($dist) radius.
*/
include("./assets/db/db.php"); // Include database connection function
$db = new database(); // Initiate a new MySQL connection
$tableName = "db.table";
$origLat = 42.1365;
$origLon = -71.7559;
$dist = 10; // This is the maximum distance ...
JavaScript/JQuery: $(window).resize how to fire AFTER the resize is completed?
...Id]) {
clearTimeout (timers[uniqueId]);
}
timers[uniqueId] = setTimeout(callback, ms);
};
})();
Usage:
$(window).resize(function () {
waitForFinalEvent(function(){
alert('Resize...');
//...
}, 500, "some unique string");
});
CMS's solution is fine if you only...
UTF-8 without BOM
...log and select "Save with encoding". Or if you you want to get rid of this setting permanently just open File menu and select "Advanced save options" and there you should select "UTF-8 without signature" (and that also answered your last question :). Yes "UTF-8 without signature" is same as without ...
Yes or No confirm box using jQuery
I want yes/No alerts using jQuery, instead of ok/Cancel button:
9 Answers
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