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How to go back (ctrl+z) in vi/vim
... use the u button to undo the last modification. (And Ctrl+R to redo it).
Read more about it at: http://vim.wikia.com/wiki/Undo_and_Redo
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What's the difference between RSpec and Cucumber? [closed]
...not find.
The main difference between RSpec and Cucumber are the business readability factor. Cucumber's main draw is that the specification (features) are separate from the test code, so your product owners can provide or review the specification without having to dig through code. These are the ....
How exactly do Django content types work?
...documentation. As for me I did realize what this framework does only after reading this port. Thank you.
– prokher
Feb 2 '16 at 9:15
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How can I check if a key exists in a dictionary? [duplicate]
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Interesting, I remember that I read somewhere in the official docs that it is better to ask for forgiveness than permission...
– Yannic Hamann
Jan 15 at 6:36
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How can you encode a string to Base64 in JavaScript?
...ring should be interpreted as a byte), and this code did corrupt the data. Read the source, Luke.
– Daniel Yankowsky
Nov 12 '12 at 18:27
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How to check if a file exists from inside a batch file [duplicate]
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The IF command is quite powerful. The output of IF /? will reward careful reading. For that matter, try the /? option on many of the other built-in commands for lots of hidden gems.
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Is there a MySQL command to convert a string to lowercase?
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I believe in php you can use
strtolower()
so you could make a php to read all the entries in the table then use that command to print them back as lower case
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How to pass objects to functions in C++?
...reasons. Sutter & Alexandrescu C++ Coding Standards is a great book to read and you can get quite a few of good advices, but it is not really a style guide. I don't know of any automated checker for style, other than humans and common sense.
– David Rodríguez - dribeas
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How many bits or bytes are there in a character? [closed]
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@Cody Gray: yes, usually when you read "double-byte" encoding it's legacy Asian stuff, and they are stored as multiple char, while Unicode strings are stored using the wchar_t type. By the way, when NT was started a wchar_t was enough to avoid surrogate pairs...
var.replace is not a function
... I also getting same error, I tried toString() but getting error: cannot read property "toString" is undefined and same for "replace"
– Hitesh Kumar
Jul 13 at 14:28
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