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The differences between .build, .create, and .create! and when should they be used?
...ore succinct.
.create! is equivalent to .new followed by .save! (throws an error if saving fails). It's also just a wee bit shorter
I think .build is mostly an alias for .new. It works one way in Rails 3 and another way in Rails < 3.x
The most important part, however, is that these methods can...
d3 axis labeling
...trick for days scaling with a date format ?
d3.json("data.json", function(error, data) {
if (error) throw error;
data.forEach(function(d) {
d.year = parseTime(d.year);
d.value = +d.value;
});
x.domain(d3.extent(data, function(d) { return d.year; }));
y.domain([d3.min(data, function(d) { retur...
Reloading/refreshing Kendo Grid
...
Thanks, but this gives "TypeError: $(...).data(...) is undefined" error. I also looked on many pages and tried different variations of this solution but still get the same error. Any idea?
– Jack
Dec 5 '15 at 15:35...
How to write asynchronous functions for Node.js
...ted immediately but passed around as callbacks.
How should I implement error event handling correctly
Generally API's give you a callback with an err as the first argument. For example
database.query('something', function(err, result) {
if (err) handle(err);
doSomething(result);
});
Is ...
How to define an alias in fish shell?
... Thanks Jerub. For some reason after funcsave it gave me an error: troff: fatal error: can't open `/usr/share/fish/man/save_function.1': No such file or directory
– armandino
May 4 '10 at 5:41
...
Refresh image with a new one at the same url
...s the image in an <img> tag, otherwise you'll get an "Access Denied" error when trying to call iframe.contentWindow.reload(...).
Pros: Works just like the image.reload() function you wish the DOM had! Allows images to by cached normally (even with in-the-future expiry dates if you want them, ...
Link vs compile vs controller
...nt or its parent. The name can be prefixed with:
? – Will not raise any error if a mentioned directive does not exist.
^ – Will look for the directive on parent elements, if not available on the same element.
Use square bracket [‘directive1′, ‘directive2′, ‘directive3′] to require...
Understanding ibeacon distancing
...uracy. Following URLs to start with: http://en.wikipedia.org/wiki/Standard_error, http://en.wikipedia.org/wiki/Uncertainty
In physical world, when you make some measurement, you always get different results (because of noise, distortion, etc) and very often results form Gaussian distribution. There...
Setting up a JavaScript variable from Spring model by using Thymeleaf
...
Doesn't work... javascript error uncaught syntax error
– szxnyc
Oct 23 '14 at 1:58
...
Checking for empty arrays: count vs empty
...
empty() is too forgiving of errors. I just spent 2 hours debugging a subclass that tested empty() on a private member variable of its superclass (the scope of the superclass's member variable SHOULD have been protected, but empty() returned no errors ...