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Is there a better alternative than this to 'switch on type'?
...ack detailing how to build a TypeSwitch structure.
https://docs.microsoft.com/archive/blogs/jaredpar/switching-on-types
Short version: TypeSwitch is designed to prevent redundant casting and give a syntax that is similar to a normal switch/case statement. For example, here is TypeSwitch in action ...
How can I count text lines inside an DOM element? Can I?
...
var element = document.getElementById('content');
document.defaultView.getComputedStyle(element, null).getPropertyValue("lineHeight");
You will also need to take padding and inter-line spacing into account.
EDIT
Fully self-contained test, explicitly setting line-height:
function countLines...
What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...unction expression (also known as fat arrow function) has a shorter syntax compared to function expressions and lexically binds the this value (does not bind its own this, arguments, super, or new.target). Arrow functions are always anonymous. These function expressions are best suited for non-metho...
HTML 5: Is it , , or ?
...
Simply <br> is sufficient.
The other forms are there for compatibility with XHTML; to make it possible to write the same code as XHTML, and have it also work as HTML. Some systems that generate HTML may be based on XML generators, and thus do not have the ability to output just a b...
How does the extend() function work in jQuery?
...ny subsequent parameter.
Returns the first parameter.
This is useful for combining user and default option-objects together to get a complete set of options:
function foo(userOptions) {
var defaultOptions = {
foo: 2,
bar: 2
};
var someOtherDefaultOptions = {
baz: 3
};
var a...
Visual Studio popup: “the operation could not be completed”
...ause there is an error in some source code, and due to that error VS can't compile the code, and then crash because without compiled code it's unable to show form in design mode.
In this case, deleting the .suo file will solve the situation because it reset the open files list, so the solution can s...
Why compile Python code?
Why would you compile a Python script? You can run them directly from the .py file and it works fine, so is there a performance advantage or something?
...
How to calculate the CPU usage of a process by PID in Linux from C?
.......................
Field Content
pid process id
tcomm filename of the executable
state state (R is running, S is sleeping, D is sleeping in an
uninterruptible wait, Z is zombie, T is traced or stopped)
ppid process id of the pare...
Easy idiomatic way to define Ordering for a simple case class
...ends Ordered[A] {
// Required as of Scala 2.11 for reasons unknown - the companion to Ordered
// should already be in implicit scope
import scala.math.Ordered.orderingToOrdered
def compare(that: A): Int = (this.tag, this.load) compare (that.tag, that.load)
}
This works because the compani...
What is the purpose of std::make_pair vs the constructor of std::pair?
...her from various docs anyways.
See this example from http://www.cplusplus.com/reference/std/utility/make_pair/
pair <int,int> one;
pair <int,int> two;
one = make_pair (10,20);
two = make_pair (10.5,'A'); // ok: implicit conversion from pair<double,char>
Aside from the implicit...