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How can I calculate the difference between two dates?
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Not all days have 86400 seconds. For a trivial example that's fine but it's not a good idea in the real world. DST changes, leap seconds, etc can all mess with it. NSCalendar can tell you how many seconds are in a given day.
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How do I clear the terminal screen in Haskell?
...nal support, with Windows compatibility You can find it in Hackage and install using cabal install ansi-terminal. It specifically has functions for clearing the screen, displaying colors, moving the cursor, etc. Using it to clear the screen is easy: (this is with GHCI) import System.Console.ANSIclea...
How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
...nteger reference and the pending intent going off, the app was updated and all of the drawable references changed. The integer that used to reference the correct drawable now referenced either the incorrect drawable or none at all (none at all - causing this crash)
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Why am I getting error for apple-touch-icon-precomposed.png
...means the configured web document-root directory, e.g. in Apache 2.4 it usually /var/www/htdocs
– Hgehlhausen
Dec 14 '16 at 19:40
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How does the bitwise complement operator (~ tilde) work?
...ng the binary representation of a number, taking its complement (inverting all the bits) and adding one. Two starts as 0000 0010, and by inverting the bits we get 1111 1101. Adding one gets us the result above. The first bit is the sign bit, implying a negative.
So let's take a look at how we get ~2...
Uses of Action delegate in C# [closed]
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Here is a small example that shows the usefulness of the Action delegate
using System;
using System.Collections.Generic;
class Program
{
static void Main()
{
Action<String> print = new Action<String>(Program...
Vim clear last search highlighting
After doing a search in Vim, I get all the occurrences highlighted. How can I disable that? I now do another search for something gibberish that can't be found.
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Tick symbol in HTML/XHTML
...splay a tick symbol (✓ or ✔) within an internal web app and would ideally like to avoid using an image.
14 Answers
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Python glob multiple filetypes
...out:
import glob
types = ('*.pdf', '*.cpp') # the tuple of file types
files_grabbed = []
for files in types:
files_grabbed.extend(glob.glob(files))
# files_grabbed is the list of pdf and cpp files
Perhaps there is another way, so wait in case someone else comes up with a better answer.
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How to count total number of watches on a page?
...his answer was missing the $isolateScope searching and the watchers potentially being duplicated in his/her answer/comment.
Thanks to Ben2307 for pointing out that the 'body' may need to be changed.
Original
I did the same thing except I checked the data attribute of the HTML element rather than...