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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
redi...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ing to be done for `install-exec-am'.
/bin/sh ../mkinstalldirs /usr/local/info
mkdir -p -- /usr/local/info
/usr/bin/install -c -m 644 ./zebra.info /usr/local/info/zebra.info
install-info --info-dir=/usr/local/info /usr/local/info/zebra.info
/bin/sh ../mkinstalldirs /usr/local/man/man1
mkdir ...
How do I base64 encode (decode) in C?
...at the end of the string). See: tutorialspoint.com/cprogramming/c_strings.htm Reading in jarFile with strlen will fail, because a null terminator likely exists in the middle of your binary file, messing up the bytes_to_decode value. See: stackoverflow.com/questions/24596189/… Find the size of ...
How can I brew link a specific version?
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The usage info:
Usage: brew switch <formula> <version>
Example:
brew switch mysql 5.5.29
You can find the versions installed on your system with info.
brew info mysql
And to see the available versions to install, y...
Correct approach to global logging in Golang
...us output to stderr or stdout as well as file.
Standard log levels (Debug, Info, etc.) as well as freely-configurable multi-level logging.
On demand logging of caller info (file, line number, function).
Ability to set different log levels for different source files.
It is very small, has no extern...
How to connect to LocalDB in Visual Studio Server Explorer?
...er
Open command prompt
Run SqlLocalDB.exe start v11.0
Run SqlLocalDB.exe info v11.0
Copy the Instance pipe name that starts with np:\...
In Visual Studio select TOOLS > Connect to Database...
For Server Name enter (localdb)\v11.0. If it didn't work, use the Instance pipe name that you copied ea...
Is it better practice to use String.format over string Concatenation in Java?
...ing, i, +i * 2);
}
long end = System.currentTimeMillis();
log.info("Format = " + ((end - start)) + " millisecond");
start = System.currentTimeMillis();
for (int i = 0; i < 1000000; i++) {
String s = "Hi " + i + "; Hi to you " + i * 2;
}
end = System.current...
How to escape @ characters in Subversion managed file names?
... allows you to target a specific revision of that file. For example, "svn info test.txt@1234" will give information about test.txt as it existed in revision 1234.
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Google Maps: Auto close open InfoWindows?
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There is a close() function for InfoWindows. Just keep track of the last opened window, and call the close function on it when a new window is created.
This demo has the functionality you're looking for. I found it in the Maps API V3 demo gallery.
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Programmatically change log level in Log4j2
...tLevel(level);
ctx.updateLoggers(); // This causes all Loggers to refetch information from their LoggerConfig.
Here is the javadoc for LoggerConfig.
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