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extract part of a string using bash/cut/split
...om the end
So # means match from the beginning (think of a comment line) and % means from the end. One instance means shortest and two instances means longest.
You can get substrings based on position using numbers:
${MYVAR:3} # Remove the first three chars (leaving 4..end)
${MYVAR::3} # Retu...
Entity Framework 4 Single() vs First() vs FirstOrDefault()
...ime finding a comparison of the different ways to query for a single item, and when to use each.
6 Answers
...
How do I auto-reload a Chrome extension I'm developing?
... add a browse to
"http://reload.extensions" using Chrome to your script, and you'll
have a refreshed Chrome window.
Update: As of January 14, 2015, the extension is open-sourced and available on GitHub.
share
...
Calculate difference between two dates (number of days)?
I see that this question has been answered for Java , JavaScript , and PHP , but not C#. So, how might one calculate the number of days between two dates in C#?
...
What should Xcode 6 gitignore file include?
... did not (I repeatedly see things that should be in there but are missing, and (worse) vice-versa). Obviously, I'm not going to bother tracking / commenting on something that's clearly badly maintained to start with :) - I simply gave up, and wrote a working .gitignore instead, and shared it on Stac...
How do I remove leading whitespace in Python?
...
The lstrip() method will remove leading whitespaces, newline and tab characters on a string beginning:
>>> ' hello world!'.lstrip()
'hello world!'
Edit
As balpha pointed out in the comments, in order to remove only spaces from the beginning of the string, lstrip(' ') s...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
...o send temperature value from a microcontroller using UART to C# interface and Display temperature on Label.Content . Here is my microcontroller code:
...
p vs puts in Ruby
Is there any difference between p and puts in Ruby?
7 Answers
7
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What is the use of making constructor private in a class?
... answered Jan 14 '10 at 6:33
nandananda
23.5k1212 gold badges6565 silver badges8989 bronze badges
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Auto-loading lib files in Rails 4
...g/application.rb:
config.autoload_paths << Rails.root.join('lib')
and keep the right naming convention in lib.
in lib/foo.rb:
class Foo
end
in lib/foo/bar.rb:
class Foo::Bar
end
if you really wanna do some monkey patches in file like lib/extensions.rb, you may manually require it:
in...