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classical inheritance vs prototypal inheritance in javascript
...ams.
Theoretically an abstraction is defined as "a general concept formed by extracting common features from specific examples". However for the sake of this explanation we're going to use the aforementioned definition instead.
Now some objects have a lot of things in common. For example a mud bik...
Difference between static memory allocation and dynamic memory allocation
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It may be better to think that the allocation of static memory is handled by the compiler rather than allocated at compile time.
For example the compiler may create a large data section in the compiled binary and when the program is loaded in memory, the address within the data segment of the pro...
Rotated elements in CSS that affect their parent's height correctly
...uires some knowledge of CSS trivia to understand. Let's go through it step by step.
The core of the problem we face is that transformations applied to an element using its transform CSS property all happen after layout has taken place. In other words, using transform on an element does not affect t...
How do I calculate the date six months from the current date using the datetime Python module?
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I'm curious: does anyone know why this isn't included by default? Timedelta seems packaged with datetime by default. I actually assumed I could pass "months" into timedelta.
– dTanMan
Nov 12 '19 at 3:14
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Javascript : natural sort of alphanumerical strings
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This is now possible in modern browsers using localeCompare. By passing the numeric: true option, it will smartly recognize numbers. You can do case-insensitive using sensitivity: 'base'. Tested in Chrome, Firefox, and IE11.
Here's an example. It returns 1, meaning 10 goes after 2:
'...
Deploying just HTML, CSS webpage to Tomcat
...eveloping a website . All I have at the moment is a HTML page supported by a couple of CSS stylesheets .
4 Answers
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Converting an array of objects to ActiveRecord::Relation
...lizarHristov That's because it's now a relation, which can only be ordered by a column, and not any way you want. Relations are faster to handle large data sets, and there will be some trade-offs.
– Marco Prins
Mar 17 '15 at 9:45
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How do I use $scope.$watch and $scope.$apply in AngularJS?
...ich AngularJS checks if there are any changes to all the variables watched by all the $scopes. So if you have $scope.myVar defined in your controller and this variable was marked for being watched, then you are implicitly telling AngularJS to monitor the changes on myVar in each iteration of the loo...
What are all the different ways to create an object in Java?
...n a typical implementation).
Causing an exception to be created and thrown by the runtime. For instance throw null; or "".toCharArray()[0].
Oh, and boxing of primitives (unless cached), of course.
JDK8 should have lambdas (essentially concise anonymous inner classes), which are implicitly converted ...
How do I close a single buffer (out of many) in Vim?
I open several files in Vim by, for example, running
10 Answers
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