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How to replace a single word under cursor?
... slashes (e.g. /usr/bin/bash or 1222.333)? It looks like vim interprets / and . as end of the word and won't select the entire string.
– Alexander Cska
May 1 at 21:47
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How to hash a password
... byte array you could use
var data = Encoding.ASCII.GetBytes(password);
and to get back string from md5data or sha1data
var hashedPassword = ASCIIEncoding.GetString(md5data);
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How to set environment variables in Python?
I need to set some environment variables in the Python script and I want all the other scripts that are called from Python to see the environment variables' set.
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Determine when a ViewPager changes pages
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You can use a SimpleOnPageChangeListener instead and only override onPageSelected
– clocksmith
Jul 15 '14 at 16:24
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What is null in Java?
...ceof operator is true if the value of the RelationalExpression is not null and the reference could be cast to the ReferenceType without raising a ClassCastException. Otherwise the result is false.
This means that for any type E and R, for any E o, where o == null, o instanceof R is always false.
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SQL Server NOLOCK and joins
Background: I have a performance-critical query I'd like to run and I don't care about dirty reads.
3 Answers
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How to get equal width of input and select fields
On the form, I have one select and two input fields. These elements are vertically aligned. Unfortunately, I can't get equal width of these elements.
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How to prune local tracking branches that do not exist on remote anymore
...es.
This line should do the trick (requires bash or zsh, won't work with standard Bourne shell):
git branch -r | awk '{print $1}' | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk '{print $1}' | xargs git branch -d
This string gets the list of remote branches and passes it into egrep...
What's the best practice for primary keys in tables?
...signing tables, I've developed a habit of having one column that is unique and that I make the primary key. This is achieved in three ways depending on requirements:
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Do browsers send “\r\n” or “\n” or does it depend on the browser?
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The HTTP and MIME specs specify that header lines must end with \r\n, but they aren't clear (some would argue that it isn't clear if they are clear) about what to do with the contents of a TEXTAREA. (See, for instance, this thread fro...