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Using the HTML5 “required” attribute for a group of checkboxes?
...t optional extensions like this one.
It even allows you to write your own custom validity rules. For example, I needed to create a checkbox group that wasn't based on the input's name, so I wrote my own validity rule for that...
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How do I find the caller of a method using stacktrace or reflection?
...to this request for enhancement.
It uses the getClassContext() method of a custom SecurityManager and seems to be faster than the stack trace method.
The following program tests the speed of the different suggested methods (the most interesting bit is in the inner class SecurityManagerMethod):
/**...
jQuery: $().click(fn) vs. $().bind('click',fn);
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There is one difference in that you can bind custom events using the second form that you have. Otherwise, they seem to be synonymous. See: jQuery Event Docs
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Vertical (rotated) label in Android
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@blackst0ne instead of <TextView> tags, use a custom view tag: <com.YOUR_PACKAGE_NAME.VerticalTextView>
– Daiwik Daarun
Apr 28 '15 at 19:39
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Get the current displaying UIViewController on the screen in AppDelegate.m
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What about custom container VC?
– Mingming
Dec 31 '15 at 4:20
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Run single test from a JUnit class using command-line
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You can make a custom, barebones JUnit runner fairly easily. Here's one that will run a single test method in the form com.package.TestClass#methodName:
import org.junit.runner.JUnitCore;
import org.junit.runner.Request;
import org.junit....
Reference list item by index within Django template?
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If you're willing to create a custom tag, you can do a lot more. Here we're just working with the built-in stuff.
– Mike DeSimone
Apr 16 '15 at 13:55
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Twitter bootstrap 3 two columns full height
...on't support the layout that you describe, however, we can integrate some custom CSS which make use of css tables to achieve this.
Bootply demo / Codepen
Markup:
<header>Header</header>
<div class="container">
<div class="row">
<div class="col-md-3 no-float...
Creating a singleton in Python
...t will only be called once, when the only instance is created. You want to customize what it means to call the class, which is decided by it's type.
In general, it makes sense to use a metaclass to implement a singleton. A singleton is special because is created only once, and a metaclass is the way...
How to elegantly deal with timezones
...eated { get; set; }
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}
2 - In a global helper we make our custom function "ToLocalTime":
public static DateTime ToLocalTime(DateTime utcDate)
{
var localTimeZoneId = "China Standard Time";
var localTimeZone = TimeZoneInfo.FindSystemTimeZoneById(localTimeZone...