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How do I create a simple 'Hello World' module in Magento?
...ck our work). In the admin application
Go to System->Cache Management
Select Refresh from the All Cache menu
Click Save Cache settings
Now, we make sure that Magento knows about the module
Go to System->Configuration
Click Advanced
In the "Disable modules output" setting box, look for yo...
Set environment variables on Mac OS X Lion
...
Edit: Here are some instructions for creating a plist file.
Open Xcode
Select File -> New -> New File...
Under Mac OS X select Resources
Choose a plist file
Follow the rest of the prompts
To edit the file, you can Control-click to get a menu and select Add Row. You then can add a key val...
How to un-escape a backslash-escaped string?
...WARNING: value.encode('utf-8').decode('unicode_escape') corrupts non-ASCII characters in the string. Unless the input is guaranteed to only contain ASCII characters, this is not a valid solution.
– Alex Peters
Jun 9 '19 at 11:46
...
iOS - Dismiss keyboard when touching outside of UITextField
... the view, and then call resign first responder on the UITextField on it's selector.
The code:
In viewDidLoad
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismissKeyboard)];
[self.view addGestureRecognizer:tap];
In dismissKeyboard:
-(void)...
Could not load file or assembly 'System.Web.Mvc'
...
In VS2010, right click the project in the Solution Explorer and select 'Add Deployable Dependencies'. Then check the MVC related check boxes in the following dialog.
This creates a '_bin_deployableAssemblies' folder in the project which contains all the .dll files mentioned in other answ...
How can I get a web site's favicon?
...tain this via the agility pack:
var favicon = "/favicon.ico";
var el=root.SelectSingleNode("/html/head/link[@rel='shortcut icon' and @href]");
if (el != null) favicon = el.Attributes["href"].Value;
Note the icon is theirs, not yours.
...
Trimming a huge (3.5 GB) csv file to read into R
...
My try with readLines. This piece of a code creates csv with selected years.
file_in <- file("in.csv","r")
file_out <- file("out.csv","a")
x <- readLines(file_in, n=1)
writeLines(x, file_out) # copy headers
B <- 300000 # depends how large is one pack
while(length(x)) {
...
How to select first parent DIV using jQuery?
...
Use .closest() to traverse up the DOM tree up to the specified selector.
var classes = $(this).parent().closest('div').attr('class').split(' '); // this gets the parent classes.
share
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URLs: Dash vs. Underscore [closed]
...
also worth noting that underscored_text is selectable as a whole by double clicking in some devices and long-pressing on mobiles, whereas with dash-separated-text the same actions select each separated word. Think about if a user would ever try to copy out something f...
if A vs if A is not None:
... method returns None if there were no rows in the result. Suppose you were selecting a value that might return 0 and need to know whether it's actually 0 or whether the query had no results at all.
A common idiom is to give a function or method's optional argument the default value of None, and the...