Tutorial by Examples: st

layout.scss nav { ul { margin: 0; padding: 0; list-style: none; li { margin: 0 5px; } } } output nav ul { margin: 0; padding: 0; list-style: none; } nav ul li { margin: 0 5px; }

GNU awk supports a sub-string extraction function to return a fixed length character sequence from a main string. The syntax is *substr(string, start [, length ])* where, string is source string and start marks the start of the sub-string position you want the extraction to be done for an optio...

From an action controller: $this->getLayout()->getBlock('head')->getTemplate(); /** * Get specified tab grid */ public function gridOnlyAction() { $this->_initProduct(); $this->getResponse()->setBody( $this->getLayout()->createBlock('adminhtml/catalog_product_edit_...

Simple The Simple Products type should be used for that generally have a single configuration (one-size-fits-all). This might include items such as: A Box of Crayons, Small (24 Colors) A Box of Crayons, Large (64 Colors) SuperHighTech 26” HD Computer Monitor Barrack Obama Action Figure (6”) ...

NSTextAttachment *attachment = [[NSTextAttachment alloc] init]; attachment.image = [UIImage imageNamed:@"imageName"]; attachment.bounds = CGRectMake(0, 0, 35, 35); NSAttributedString *attachmentString = [NSAttributedString attributedStringWithAttachment:attachment];

Since Sphinx is available on the Python Package Index, it can be installed using pip: pip install Sphinx or you can also install using easy_install easy_install -U sphinx Then you can check that it has been correctly installed by executing the following command: > sphinx-quickstart --ver...

Some CSS properties belong to a namespace, for instance border-right belongs to the border namespace. To write less, we can utilize property nesting, and skip these prefixes, even on multiple levels. If we needed to create a border on the right and left of a class named .borders we could write this...

Before proceeding, it is recommended to have a brief idea about Adjacency Matrix and BFS Dijkstra's algorithm is known as single-source shortest path algorithm. It is used for finding the shortest paths between nodes in a graph, which may represent, for example, road networks. It was conceived by E...

Detailed instructions on getting acumatica set up or installed.

I common problem encounter when scrapping a web is how to enter a userid and password to log into a web site. In this example which I created to track my answers posted here to stack overflow. The overall flow is to login, go to a web page collect information, add it a dataframe and then move to t...

Small, simple csv files can be built using just a text editor, because a CSV file is simply text. If you have spreadsheet software available these are usually an easy way to open and save CSV files. Reading and writing them, or otherwise processing their contents is done more efficiently using the ...

To store a graph, two methods are common: Adjacency Matrix Adjacency List An adjacency matrix is a square matrix used to represent a finite graph. The elements of the matrix indicate whether pairs of vertices are adjacent or not in the graph. Adjacent means 'next to or adjoining something el...

Copy constructor on the other hand , is the complete opposite of the Assignment Constructor. This time, it is used to initialize an already nonexistent(or non-previously initialized) object. This means it copies all the data from the object you are assigning it to , without actually initializing the...

Ok we have briefly looked over what the copy constructor and assignment constructor are above and gave examples of each now let's see both of them in the same code. This code will be similar as above two. Let's take this : // Copy vs Assignment Constructor #include <iostream> #include <s...

After you've enabled migrations (please refer to this example) you are now able to create your first migration containing an initial creation of all database tables, indexes and connections. A migration can be created by using the command Add-Migration <migration-name> This command will c...

Note that the allowDiskUse: true option is optional but will help mitigate out of memory issues as this aggregation can be a memory intensive operation if your collection size is large - so i recommend to always use it. var duplicates = []; db.transactions.aggregate([ { $group: { _id: { c...

Here's a quick GIF to make the process as easy as it can be. Labels can be applied to issues and pull requests to signify priority, category, or any other information that you find useful. On GitHub, navigate to the main page of the repository. Under your repository name, click Issues or ...

GO TO label GO TO label-1 label-2 label-3 DEPENDING ON identifier-1 GO TO label OF section GO. The last line example indicates that an ALTER statement is in play, and another part of the code will specify which actual label is the target of the jump.

Consider the dataframes left and right left = pd.DataFrame([['a', 1], ['b', 2]], list('XY'), list('AB')) left A B X a 1 Y b 2 right = pd.DataFrame([['a', 3], ['b', 4]], list('XY'), list('AC')) right A C X a 3 Y b 4 join Think of join as wanting to combine to dat...