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Linux command (like cat) to read a specified quantity of characters
...d discard the rest.
To just get the first five bytes from standard input, do:
dd count=5 bs=1
Note that, if you want to specify the input file name, dd has old-fashioned argument parsing, so you would do:
dd count=5 bs=1 if=filename
Note also that dd verbosely announces what it did, so to tos...
How can I unstage my files again after making a local commit?
...
git reset --soft HEAD~1 should do what you want. After this, you'll have the first changes in the index (visible with git diff --cached), and your newest changes not staged. git status will then look like this:
# On branch master
# Changes to be committed...
Convert a list to a string in C#
How do I convert a list to a string in C#?
13 Answers
13
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Unescape HTML entities in Javascript?
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EDIT: You should use the DOMParser API as Wladimir suggests, I edited my previous answer since the function posted introduced a security vulnerability.
The following snippet is the old answer's code with a small modification: using a textarea instea...
How to elegantly check if a number is within a range?
How can I do this elegantly with C# and .NET 3.5/4?
27 Answers
27
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How to stop a goroutine
..." builtin and the special receive form for channels.
That is, once you're done sending items on the chan, you close it. Then inside your goroutine you get an extra parameter to the receive operator that shows whether the channel has been closed.
Here is a complete example (the waitgroup is used t...
How do you receive a url parameter with a spring controller mapping
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In case anyone else is also looking for the official documentation for @RequestParam, here it is: docs.spring.io/spring/docs/current/javadoc-api/org/…
– tobias
Sep 9 at 7:59
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Why is __init__() always called after __new__()?
...r returning a new
instance of your class.
In contrast,
__init__ doesn't return anything; it's only responsible for initializing the
instance after it's been created.
In general, you shouldn't need to
override __new__ unless you're
subclassing an immutable type like
str, int, ...
Why would I ever use push_back instead of emplace_back?
...nstructor to create an object in-place. It seems to me that emplace_back does everything push_back can do, but some of the time it will do it better (but never worse).
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get name of a variable or parameter [duplicate]
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This doesn't seem to work for me... {"Unable to cast object of type 'System.Linq.Expressions.TypedConstantExpression' to type 'System.Linq.Expressions.MemberExpression'."}
– weberc2
Nov 29 '1...