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Print number of keys in Redis
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You can issue the INFO command, which returns information and statistics about the server. See here for an example output.
As mentioned in the comments by mVChr, you can use info keyspace directly on the redis-cli.
redis> INFO
# Server
redis_version...
How to use > in an xargs command?
I want to find a bash command that will let me grep every file in a directory and write the output of that grep to a separate file. My guess would have been to do something like this
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How do I reverse a C++ vector?
...ed Jan 16 '12 at 8:46
Ivaylo StrandjevIvaylo Strandjev
62.1k1313 gold badges104104 silver badges159159 bronze badges
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How can I print literal curly-brace characters in python string and also use .format on it?
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You need to double the {{ and }}:
>>> x = " {{ Hello }} {0} "
>>> print(x.format(42))
' { Hello } 42 '
Here's the relevant part of the Python documentation for format string syntax:
Format strings contain “replacement fields...
MySQL indexes - what are the best practices?
...or selecting using a WHERE clause but sometimes it doesn't seem so black and white.
7 Answers
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How do you check what version of SQL Server for a database using TSQL?
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Try
SELECT @@VERSION
or for SQL Server 2000 and above the following is easier to parse :)
SELECT SERVERPROPERTY('productversion')
, SERVERPROPERTY('productlevel')
, SERVERPROPERTY('edition')
From: http://support.microsoft.com/kb/321185
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Cast int to varchar
I have below query and need to cast id to varchar
8 Answers
8
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How to create a sequence of integers in C#?
...(ending at 9). If you want 0 through 10, the second parameter would be 11. And if you need an actual array and not IEnumerable<int>, include a call .ToArray().
– Anthony Pegram
Jan 3 '11 at 22:11
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Regular expression to stop at first match
... community wiki
Daniel Vandersluis
34
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jquery-ui-dialog - How to hook into dialog close event
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I see the dialog closes first and then the alert appears, if it is same situation to everyone, can someone help me so that alert appears first and then on click of OK then the window closes? Correct me....
– changeme
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