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How to paste in a new line with vim?
...ly I've nmapped Enter (CR) like this:
nmap <CR> o<Esc>k
...based on this Vim Wikia article.
This way I can make newlines directly from normal mode, and combining this with wanting to paste to a newline below I'd do:
<CR>jp
You could also skip k in the nmap above, depending ...
Validating URL in Java
...uthority component of this URI is defined but cannot be parsed as a server-based authority according to RFC 2396". While this is much better than most other proposals, it cannot validate a URL.
– Martin
Apr 16 '19 at 10:52
...
How to force an entire layout View refresh?
...n);
public void setTheme (int resid)
Since: API Level 1
Set the base theme for this context. Note that this should be called before any views are instantiated in the Context (for example before calling setContentView(View) or inflate(int, ViewGroup)).
The API doc reference is here: http...
Batch Renaming of Files in a Directory
...os.path.join(dir, pattern)):
title, ext = os.path.splitext(os.path.basename(pathAndFilename))
os.rename(pathAndFilename,
os.path.join(dir, titlePattern % title + ext))
You could then use it in your example like this:
rename(r'c:\temp\xx', r'*.doc', r'new(%s)')
...
PHP and Enumerations
...ever, other use cases may require more validation of constants and values. Based on the comments below about reflection, and a few other notes, here's an expanded example which may better serve a much wider range of cases:
abstract class BasicEnum {
private static $constCacheArray = NULL;
...
How to mock the Request on Controller in ASP.Net MVC?
...
Using Moq:
var request = new Mock<HttpRequestBase>();
// Not working - IsAjaxRequest() is static extension method and cannot be mocked
// request.Setup(x => x.IsAjaxRequest()).Returns(true /* or false */);
// use this
request.SetupGet(x => x.Headers).Returns(
...
How to redirect to previous page in Ruby On Rails?
...to(request.env['HTTP_REFERER'])
http://apidock.com/rails/ActionController/Base/redirect_to (pre Rails 3) or http://apidock.com/rails/ActionController/Redirecting/redirect_to (Rails 3)
Please note that redirect_to(:back) is being deprecated in Rails 5. You can use
redirect_back(fallback_location:...
How do I use regex in a SQLite query?
...r defined function which must first be defined and loaded into the the database. Maybe some sqlite distributions or GUI tools include it by default, but my Ubuntu install did not. The solution was
sudo apt-get install sqlite3-pcre
which implements Perl regular expressions in a loadable module in ...
Adding List.add() another list
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to randomize (or permute) a dataframe rowwise and columnwise?
...is in matrix form convert into data.frame
use the sample function from the base package
indexes = sample(1:nrow(df1), size=1*nrow(df1))
Random Samples and Permutations