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get all keys set in memcached
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Found a way, thanks to the link here (with the original google group discussion here)
First, Telnet to your server:
telnet 127.0.0.1 11211
Next, list the items to get the slab ids:
stats items
STAT items:3:number 1
STAT items:3:age 498
STAT items:22:number 1...
How can I output leading zeros in Ruby?
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If the maximum number of digits in the counter is known (e.g., n = 3 for counters 1..876), you can do
str = "file_" + i.to_s.rjust(n, "0")
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im...
Convert a date format in PHP
...e($originalDate));
(See the strtotime and date documentation on the PHP site.)
Note that this was a quick solution to the original question. For more extensive conversions, you should really be using the DateTime class to parse and format :-)
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Dynamically Changing log4j log level
...);
The changes are permanent through the life cyle of the Logger. On reinitialization the configuration will be read and used as setting the level at runtime does not persist the level change.
UPDATE: If you are using Log4j 2 you should remove the calls to setLevel per the documentation as this c...
What is the dual table in Oracle?
I've heard people referring to this table and was not sure what it was about.
14 Answers
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How can I force clients to refresh JavaScript files?
...g said, one issue we are running into is that after we push out an update with new JavaScript files, the client browsers still use the cached version of the file and they do not see the update. Obviously, on a support call, we can simply inform them to do a ctrl F5 refresh to ensure that they get...
For i = 0, why is (i += i++) equal to 0?
...e variable.
The value of x is saved.
The selected operator is invoked with the saved value of x as its argument.
The value returned by the operator is stored in the location given by the evaluation of x.
The saved value of x becomes the result of the operation.
Note that due to order...
Hash Code and Checksum - what's the difference?
...t all hashcodes make good checksums.
A checksum has a special purpose --- it verifies or checks the integrity of data (some can go beyond that by allowing for error-correction). "Good" checksums are easy to compute, and can detect many types of data corruptions (e.g. one, two, three erroneous bits)...
How to perform case-insensitive sorting in JavaScript?
...have an array of strings I need to sort in JavaScript, but in a case-insensitive way. How to perform this?
15 Answers
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Maintain aspect ratio of div but fill screen width and height in CSS?
I have a site to put together that has a fixed aspect ratio of approximately 16:9 landscape, like a video.
9 Answers
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