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Design Patterns: Factory vs Factory method vs Abstract Factory
I was reading design patterns from a website
7 Answers
7
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Check if a variable is of function type
...efficient, but the best way to check, when efficiency isn't an issue, is written on underscore's page linked by @Paul Rosania.
Inspired by underscore, the final isFunction function is as follows:
function isFunction(functionToCheck) {
return functionToCheck && {}.toString.call(functionToC...
Where am I? - Get country
An android mobile actually does know quite well where it is - but is there a way of retrieving the country by something like a country code?
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Open terminal here in Mac OS finder [closed]
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As of Mac OS X Lion 10.7, Terminal includes exactly this functionality as a Service. As with most Services, these are disabled by default, so you'll need to enable this to make it appear in the Services menu.
System Preferences > Keyboard > Shortcuts > Services
Enable New Term...
Automatic Retina images for web sites
With the new Apple MacBook Pro with retina display, if you provide a "standard" image on your website, it'll be a little fuzzy. So you have to provide a retina image.
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Deleting queues in RabbitMQ
I have a few queues running with RabbitMQ. A few of them are of no use now, how can I delete them? Unfortunately I had not set the auto_delete option.
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Using python's eval() vs. ast.literal_eval()?
I have a situation with some code where eval() came up as a possible solution. Now I have never had
to use eval() before but, I have come across plenty of information about the potential
danger it can cause. That said, I'm very wary about using it.
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How do I parse an ISO 8601-formatted date?
...uestion, but also other ISO 8601 date and time strings that don't comply with RFC 3339 (such as ones with no UTC offset, or ones that represent only a date).
>>> import dateutil.parser
>>> dateutil.parser.isoparse('2008-09-03T20:56:35.450686Z') # RFC 3339 format
datetime.datetime...
Cleanest way to build an SQL string in Java
...above query:
update_query=UPDATE user_table SET name=? WHERE id=?
Then with the help of a simple utility class:
public class Queries {
private static final String propFileName = "queries.properties";
private static Properties props;
public static Properties getQueries() throws SQLE...
How to configure Eclipse build path to use Maven dependencies?
...pendencies in a project. My brief understanding of how Maven works is that it will aquire the JARs needed and then build the project with these libraries.
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