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Simplest/Cleanest way to implement singleton in JavaScript?
...ake the object immutable, preventing any modification to the its structure and values.
Additionally I would like to mention that if you are using ES6, you can represent a singleton using ES Modules very easily, and you can even hold private state by declaring variables at the module scope:
// my-s...
Initialization of an ArrayList in one line
... end up with is a subclass of ArrayList which has an instance initializer, and that class is created just to create one object -- that just seems like a little bit overkill to me.
What would have been nice was if the Collection Literals proposal for Project Coin was accepted (it was slated to be in...
Has Facebook sharer.php changed to no longer accept detailed parameters?
...eters in sharer.php
The sharer will no longer accept custom parameters and facebook will
pull the information that is being displayed in the preview the same
way that it would appear on facebook as a post from the url OG meta
tags.
Use dialog/feeds instead of sharer.php
https://www.face...
MongoDb query condition on comparing 2 fields
I have a collection T , with 2 fields: Grade1 and Grade2 , and I want to select those with condition Grade1 > Grade2 , how can I get a query like in MySQL?
...
Volatile boolean vs AtomicBoolean
...ranteed that every method is "atomic".
Thus, if you use an AtomicInteger and getAndAdd(int delta), you can be sure that the result will be 10. In the same way, if two threads both negate a boolean variable concurrently, with an AtomicBoolean you can be sure it has the original value afterwards, wi...
How To Check If A Key in **kwargs Exists?
... but it seems **kwargs play by different rules... so why doesn't this work and how can I check to see if a key in **kwargs exists?
...
With CSS, use “…” for overflowed block of multi-lines
...re also several jquery plugins that deal with this issue, but many do not handle multiple lines of text. Following works:
http://pvdspek.github.com/jquery.autoellipsis/
http://dotdotdot.frebsite.nl/
http://keith-wood.name/more.html
http://github.com/tbasse/jquery-truncate
There also some prefor...
Populate a Razor Section From a Partial
...red by a partial at the bottom of the page with the rest of the Javascript and not in the middle of the page where the partial is rendered.
...
Android search with Fragments
Does somebody know of a tutorial or an example of how to implement the standard Android search interface with Fragment s? In other words, is it possible to put a standard search with a SearchManager in a Fragment?
...
List of standard lengths for database fields
I'm designing a database table and once again asking myself the same stupid question: How long should the firstname field be?
...