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Select random row from a sqlite table
...a look at Selecting a Random Row from an SQLite Table
SELECT * FROM table ORDER BY RANDOM() LIMIT 1;
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Deprecated warning for Rails 4 has_many with order
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In Rails 4, :order has been deprecated and needs to be replaced with lambda scope block as shown in the warning you've posted in the question. Another point to note is that this scope block needs to be passed before any other association...
setImmediate vs. nextTick
...t loop, preventing any I/O from occurring. setImmediates are queued in the order created, and are popped off the queue once per loop iteration. This is different from process.nextTick which will execute process.maxTickDepth queued callbacks per iteration. setImmediate will yield to the event loop af...
Sorting an ArrayList of objects using a custom sorting order
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Here's a tutorial about ordering objects:
The Java Tutorials - Collections - Object Ordering
Although I will give some examples, I would recommend to read it anyway.
There are various way to sort an ArrayList. If you want to define a natural ...
What's the difference between Require.js and simply creating a element in the DOM? [closed]
... want, and don't have to worry about keeping track of dependencies or load order.
RequireJS makes it possible to write an entire, modular app without touching window object.
Taken from rmurphey's comments here in this Gist.
Layers of abstraction can be a nightmare to learn and adjust to, but wh...
IPN vs PDT in Paypal
...etc, and thus you really should implement it.
PayPal's PDT system sends order confirmations to merchant sites that use PayPal Payments Standard and lets them authenticate this information. Such sites can then display this data locally in an "order confirmation" page.
When to Use PDT?
IPN provid...
What are Maven goals and phases and what is their difference?
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Goals are executed in phases which help determine the order goals get executed in. The best understanding of this is to look at the default Maven lifecycle bindings which shows which goals get run in which phases by default. The compile phase goals will always be executed befo...
Logging best practices [closed]
...You need at least to set the ActivityId once for each logical operation in order to correlate.
Start/Stop and the LogicalOperationStack can then be used for simple stack-based context. For more complex contexts (e.g. asynchronous operations), using TraceTransfer to the new ActivityId (before changi...
What is token-based authentication?
... system is
simple. Allow users to enter their
username and password in order to
obtain a token which allows them to
fetch a specific resource - without
using their username and password.
Once their token has been obtained,
the user can offer the token - which
offers access to a speci...
orderBy multiple fields in Angular
...jsfiddle.net/JSWorld/Hp4W7/32/
<div ng-repeat="division in divisions | orderBy:['group','sub']">{{division.group}}-{{division.sub}}</div>
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