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How can I convert spaces to tabs in Vim or Linux?
...ist', so that I can see the whitespace and change.
I have the following mapping in my .vimrc for this:
nnoremap <F2> :<C-U>setlocal lcs=tab:>-,trail:-,eol:$ list! list? <CR>
share
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Getting reference to the top-most view/window in iOS application
I'm creating a reusable framework for displaying notifications in an iOS application. I'd like the notification views to be added over the top of everything else in the application, sort of like a UIAlertView. When I init the manager that listens for NSNotification events and adds views in response,...
How to enable mod_rewrite for Apache 2.2
...llo.png
js/
jquery.js
css/
style.css
includes/
app/
app.php
Any file that exists in httpdocs will be served to the requester using the .htaccess shown above, however, everything else will be redirected to httpdocs/index.php. Your application files in includes/ap...
Node.js EACCES error when listening on most ports
I'm testing out an app (hopefully to run on heroku, but am having issues locally as well). It's giving me an EACCES error when it runs http.Server.listen() - but it only occurs on some ports.
...
How to set my default shell on Mac?
...
These are applicable to MacOS Sierra 10.12.5 (16F73) and probably some other recent and upcoming versions of MacOS.
chsh is not enough to change the default shell. Make sure you press Command+, while your terminal is open and change ...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
... seem to cause the most angst...
To sync your django db, from within your app directory, within terminal, type:
$ python manage.py syncdb
Edit: Note that if you are using django-south, running the '$ python manage.py migrate' command may also resolve this issue.
Happy coding!
...
Using context in a fragment
...ers.blogspot.com/2009/01/… . If I use the getActivity() method would the app not be at risk of memory leaks? The blog suggests "Try using the context-application instead of a context-activity" which isn't really possible as getApplicationContext() only works for the Activity class and not the Frag...
What are the differences between the threading and multiprocessing modules?
...are exceptions to this. If your code's heavy computation doesn't actually happen in Python, but in some library with custom C code that does proper GIL handling, like a numpy app, you will get the expected performance benefit from threading. The same is true if the heavy computation is done by some ...
What is ng-transclude?
...oint where you want to insert the contents of the element
angular.module('app', [])
.directive('hero', function () {
return {
restrict: 'E',
transclude: true,
scope: { name:'@' },
template: '<div>' +
'<div>{{name}}</div><br>' +...
Abstract Class vs Interface in C++ [duplicate]
...s, i.e. pointers to set of function pointers). This helps defining an ABI (Application Binary Interface) that makes it possible to e.g. build a COM component in C++ and use it in Visual Basic, or build a COM component in C and use it in C++, or build a COM component with Visual C++ version X and use...