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Using sed to mass rename files
...tion as &.
So what that sed command is doing is creating a mv command based on the original file (for the source) and character 1 and 3 onwards, effectively removing character 2 (for the destination). It will give you a series of lines along the following format:
mv F00001-0708-RG-biasliuyda F...
What is Delegate? [closed]
...dy for things like event handlers, and such, where you do different things based on different events, for example.
Here's a reference for C# you can look at:
In C#, for example, let's say we had a calculation we wanted to do and we wanted to use a different calculation method which we don't know u...
Javascript Confirm popup Yes, No button instead of OK and Cancel
...le in IE.
I would suggest using a Javascript library that can build a DOM-based dialog instead. Try Jquery UI: http://jqueryui.com/
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What is the purpose of the implicit grant authorization type in OAuth 2?
...
It boils down to: If a user is running a browser-based, or "public", (JavaScript) web app with no server side component, then the user implicitly trusts the app (and the browser where it runs, potentially with other browser-based apps...).
There is no 3rd-party remote serv...
Working with huge files in VIM
...
I wrote a little script based on Florian's answer that uses nano (my favorite editor):
#!/bin/sh
if [ "$#" -ne 3 ]; then
echo "Usage: $0 hugeFilePath startLine endLine" >&2
exit 1
fi
sed -n -e $2','$3'p' -e $3'q' $1 > hfnano_tempora...
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
...nclude-dir=/usr/include/c++/4.2.1 Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn) Target: x86_64-apple-darwin14.0.0 Thread model: posix So am I using gcc?
– Thomas
Dec 14 '14 at 16:11
...
Rails hidden field undefined method 'merge' error
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Best way to make Django's login_required the default
... non-matching requests
return None
Then in settings.py, list the base URLs you want to protect:
LOGIN_REQUIRED_URLS = (
r'/private_stuff/(.*)$',
r'/login_required/(.*)$',
)
As long as your site follows URL conventions for the pages requiring authentication, this model will work....
keytool error Keystore was tampered with, or password was incorrect
...ease make sure its for default debug.keystore file , not for your project based keystore file (Password might change for this).
Works well for MacOS Sierra 10.10+ too.
I heard, it works for linux environment as well. i haven't tested that in linux yet.
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Ruby custom error classes: inheritance of the message attribute
...hing similar. I wanted to pass an object to #new and have the message set based on some processing of the passed object. The following works.
class FooError < StandardError
attr_accessor :message # this is critical!
def initialize(stuff)
@message = stuff.reverse
end
end
begin
rais...