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Count occurrences of a char in plain text file
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If all you need to do is count the number of lines containing your character, this will work:
grep -c 'f' myfile
However, it counts multiple occurrences of 'f' on the same line as a single match.
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How to hide one item in an Android Spinner
...ooking for a way to hide one item in an Android spinner widget. This would allow you to simulate a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one item in t...
Make Heroku run non-master Git branch
...e message and then move on to the next thing. That way you can test things all day long without multiple commits. It's not pretty but it gets the job done :)
– Simon
Nov 18 '14 at 15:50
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wpf: how to show tooltip when button disabled by command?
...n ToolTipService.ShowOnDisabled="True">...
– gusmally supports Monica
Nov 4 '19 at 18:44
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Convert an enum to List
...ink explanations. While you and I understand shorthand code, newbie's need all the extra details to associate it with their learnings.
– Jeremy Thompson
Sep 23 '14 at 9:16
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Eclipse shortcut “go to line + column”
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All, If you want more and more shortcuts, in eclipse: ctrl+shift+L.
– lupchiazoem
Jul 24 '19 at 6:34
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Jquery UI tooltip does not support html content
Today, I upgraded all of my jQuery plugs-in with jQuery 1.9.1. And I started to use jQueryUI tooltip with jquery.ui.1.10.2. Everything was good. But when I used HTML tags in the content (in the title attribute of the element I was applying the tooltip to), I noticed that HTML is not supported.
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Select distinct using linq [duplicate]
...le rather than IList as the Linq above is lazily evaluated: it doesn't actually do all of the work until the enumerable is iterated. When you call ToList it actually walks the entire enumerable forcing all of the work to be done up front. (And may take a little while if your enumerable is infinitely...
What does rake db:test:prepare actually do?
...orial videos and I can't figure out what the db:test:prepare command actually does. Can someone provide an explanation?
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How to add extension methods to Enums
... methods for existing classes in a way other people on your team might actually discover and use. Given that enums are classes like any other it shouldn’t be too surprising that you can extend them, like:
enum Duration { Day, Week, Month };
static class DurationExtensions
{
public static Date...