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How do I create a SHA1 hash in ruby?
... of ruby. Worse yet, the string being passed to hexdigest isn't dynamic at all! This method would return the same hash regardless what data you give it!
– Blixxy
Jul 7 '12 at 10:10
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invalid command code ., despite escaping periods, using sed
...of sed, the -i option expects an extension argument so your command is actually parsed as the extension argument and the file path is interpreted as the command code.
Try adding the -e argument explicitly and giving '' as argument to -i:
find ./ -type f -exec sed -i '' -e "s/192.168.20.1/new.domai...
'str' object does not support item assignment in Python
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@aix: That was literally within a few seconds of each other. :D
– Joel Cornett
May 17 '12 at 7:31
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Create whole path automatically when writing to a new file
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Use FileUtils to handle all these headaches.
Edit: For example, use below code to write to a file, this method will 'checking and creating the parent directory if it does not exist'.
openOutputStream(File file [, boolean append])
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Highlight bash/shell code in markdown
...e), then the right identifier to use at the moment is console:
```console
foo@bar:~$ whoami
foo
```
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Add table row in jQuery
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What if you had a <tbody> and a <tfoot>?
Such as:
<table>
<tbody>
<tr><td>Foo</td></tr>
</tbody>
<tfoot>
<tr><td>footer information</td></tr>
</tf...
Convert a list to a string in C#
... separator between the substrings.
var myList = new List<String> { "foo","bar","baz"};
Console.WriteLine(String.Join("-", myList)); // prints "foo-bar-baz"
Depending on your version of .NET you might need to use ToArray() on the list first..
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How to perform element-wise multiplication of two lists?
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you can multiplication using lambda
foo=[1,2,3,4]
bar=[1,2,5,55]
l=map(lambda x,y:x*y,foo,bar)
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get name of a variable or parameter [duplicate]
... I would include the variable names inside the string, i.e. string.Format("foo={0}, bar={1}", foo, bar), because: in the method they are an implementation detail, but in the file they are part of the document format, which has nothing to do with what the locals are called.
– Ma...
How to revert a Git Submodule pointer to the commit stored in the containing repository?
...or the key submodule.$name.update
is set to rebase or merge.
Run this and all should be well:
git submodule update --init
You can add the --recursive flag as well to recurse through all submodules.
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