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Print Current Mercurial Revision Hash?
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In case people miss the solutions below if you want the full hash use: hg --debug id -i if you want template support use hg parent --template '{node}' Do not use hg log -l 1, its the latest repository changeset, not the current working copy changeset.
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How to flip windows in vim? [duplicate]
If I have 2 horizontally split windows, how to rotate them to get 2 vertically split windows?
4 Answers
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Does the use of the “Async” suffix in a method name depend on whether the 'async' modifier is used?
...ou append "Async" to the names of methods that have an
Async or async modifier.
http://msdn.microsoft.com/en-us/library/hh191443.aspx#BKMK_NamingConvention
Which doesn't even mention that your own asynchronous methods returning Task need the Async suffix, which I think we all agree they do.
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SQL Server: Make all UPPER case to Proper Case/Title Case
...;
declare @Ret varchar(8000);
declare @i int;
declare @c char(1);
if @Text is null
return null;
select @Reset = 1, @i = 1, @Ret = '';
while (@i <= len(@Text))
select @c = substring(@Text, @i, 1),
@Ret = @Ret + case when @Reset = 1 then UPPER(@c) else LOWER(@c) end,
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Regular expression to extract text between square brackets
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\[(.*?)\]
Explanation:
\[ : [ is a meta char and needs to be escaped if you want to match it literally.
(.*?) : match everything in a non-greedy way and capture it.
\] : ] is a meta char and needs to be escaped if you want to match it literally.
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Select rows of a matrix that meet a condition
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This is easier to do if you convert your matrix to a data frame using as.data.frame(). In that case the previous answers (using subset or m$three) will work, otherwise they will not.
To perform the operation on a matrix, you can define a column...
How can I export the schema of a database in PostgreSQL?
... a Windows machine but I'm pretty sure from memory that's the command. See if the help works for you too.
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How can I wait for a thread to finish with .NET?
...ManualResetEvent is a WaitHandle as jrista suggested.
One thing to note is if you want to wait for multiple threads: WaitHandle.WaitAll() won't work by default, as it needs an MTA thread. You can get around this by marking your Main() method with MTAThread - however this blocks your message pump and...
How to pull a random record using Django's ORM?
...r than the accepted answer, note that this approach makes two SQL queries. If the count changes in between, it might be possible to get an out of bounds error.
– Nelo Mitranim
Sep 12 '15 at 9:37
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StringIO in Python3
...so you can end up with TypeErrors ( string argument expected, got 'bytes') if you make this change in isolation. You need to carefully distinguish btyes and str (unicode) in python 3.
– Andy Hayden
Apr 22 '15 at 3:13
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