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The Singleton pattern is designed to restrict creation of a class to exactly one single instance. This pattern is used in a scenario where it makes sense to have only one of something, such as: a single class that orchestrates other objects' interactions, ex. Manager class or one class that rep...

Detailed instructions on getting iOS 9 set up or installed.

A LEFT OUTER JOIN performs a join between two tables that requires an explicit join clause but does not exclude unmatched rows from the first table. Example: SELECT ENAME, DNAME, ...

A FULL OUTER JOIN performs a join between two tables that requires an explicit join clause but does not exclude unmatched rows in either table. In other words, it returns all the rows in each table. Example: SELECT * ...

reduce(_:combine:) can be used in order to combine the elements of a sequence into a single value. It takes an initial value for the result, as well as a closure to apply to each element – which will return the new accumulated value. For example, we can use it to sum an array of numbers: let numbe...

Normal Update UPDATE TESTTABLE SET TEST_COLUMN= 'Testvalue',TEST_COLUMN2= 123 WHERE EXISTS (SELECT MASTERTABLE.TESTTABLE_ID FROM MASTERTABLE WHERE ID_NUMBER=11);

Using Inline View (If it is considered updateable by Oracle) Note: If you face a non key preserved row error add an index to resolve the same to make it update-able UPDATE (SELECT TESTTABLE.TEST_COLUMN AS OLD, 'Testvalue' AS NEW FROM TESTTA...

This example shows how to create a table, insert data, and select from the database using SQLAlchemy Core. For information re: the SQLAlchemy ORM, see here. First, we'll need to connect to our database. from sqlalchemy import create_engine engine = create_engine('sqlite://') The engine is ...

Reading line by line awk '/^>/ {printf("%s%s\t",(N>0?"\n":""),$0);N++;next;} {printf("%s",$0);} END {printf("\n");}' < input.fa one can read this awk script as: if the current line ($0) starts like a fasta header (^>). Then we prin...

download and linearize the 10 first FASTA sequences from UniProt: $ curl -s "ftp://ftp.uniprot.org/pub/databases/uniprot/current_release/knowledgebase/complete/uniprot_sprot.fasta.gz" |\ gunzip -c |\ awk '/^>/ {printf("%s%s\t",(N>0?"\n":""),$0);N...

Default config is configured in import org.fusesource.restygwt.client.Defaults; Service root. By default, RestyGWT will use module name to get rest service root, to change it, call on module load: Defaults.setServiceRoot("/rest/"); Date format. By default, RestyGWT will send u...

Import and initialize Every module needs to be imported and pygame is no exception. Although we need to call the function pygame.init() for all imported modules in pygame to be initialized properly. If we forget this some modules won't work. The function also returns a tuple of all successfully a...

To detect the environment on the server, we have to create a helper method on the server, as the server will determine which environment it is in, and then call the helper method from the client. Basically, we just relay the environment info from the server to the client. //------------------------...

As of Meteor 1.3, Meteor now exposes the NODE_ENV variable on the client by default. if (Meteor.isClient) { Meteor.startup(function () { if(process.env.NODE_ENV === "testing"){ console.log("In testing..."); } if(process.env.NODE_ENV === "production&...

Development usually begins with an editor or an Integrated Development Environment. The following IDEs are known to support Meteor to some extent: Atom - Javascript IDE that can fully leverage Meteor's isomorphic javascript framework. If you want to be able to hack on your editor itself, this i...

Once you get past your 'Hello World' app, you'll need to start paying attention to your collection and document schemas, and will need some tools for managing your database. Robomongo - A longtime community favorite for managing Mongo. Highly recommended. JSON Generator - Invaluable utility for...

Developing Meteor apps usually means developing multi-client reactivity, which requires collaboration tools. The following tools have proven to be popular within the Meteor community. Google Hangouts - Video conferencing and chat. Zenhub.io - Kanban boards for GitHub. InVision - Collaborative ...

If you want to integrate Meteor with an external API, it's likely that it's going to exposed as a REST interface. We tend to use the following Chrome apps for testing REST APIs. Postman DHC Rest Client Online tools: Hurl.it RequestBin

A release manifest is similar to an NPM package.json file, in that it's primary concern is specify a list of Atmosphere packages, and providing a bit of metadata about that list of packages. The basic format looks like this: { "track":"distroname:METEOR", "version&qu...

If you need to extend the meteor tool or the command line, you'll need to create and publish your own meteor-tool package. Ronen's documentation is the best out there for this process: http://practicalmeteor.com/using-meteor-publish-release-to-extend-the-meteor-command-line-tool/1 It's easy to get...