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Redis: Show database size/size for keys
My redis instance seems to being growing very large and I'd like to find out which of the multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that ...
What's NSLocalizedString equivalent in Swift?
...to func localized(comment: String = "") -> String so it becomes smaller and with optional comments :)
– Gui Moura
Jul 1 '15 at 17:58
...
Deleting queues in RabbitMQ
... about the data in management database; i.e. users, vhosts, messages etc., and neither about other queues, then you can reset via commandline by running the following commands in order:
WARNING: In addition to the queues, this will also remove any users and vhosts, you have configured on your Ra...
How to use NSCache
... into account:
// Your cache should have a lifetime beyond the method or handful of methods
// that use it. For example, you could make it a field of your application
// delegate, or of your view controller, or something like that. Up to you.
NSCache *myCache = ...;
NSAssert(myCache != nil, @"cache...
Check if object exists in JavaScript
...his is a core Javascript feature, it is a shame that there is not a better and less error-prone built-in. The string comparison prevents the compiler from 100% reliably tell us when we made a small mistake (like a typo) in these kinds of checks.
– Domi
Nov 24 '...
how to release localhost from Error: listen EADDRINUSE
i am testing a server written in nodejs on windows 7
and when i try to run the tester in the command line i get the following error
...
Staging Deleted files
...l
matching files. Also a leading directory name (e.g. dir to add dir/file1 and dir/file2) can be given to update the index to match the current state of the directory as a whole (e.g. specifying dir will record not just a file dir/file1 modified in the working tree, a file dir/file2 added to the wor...
Using cURL with a username and password?
...
Use the -u flag to include a username, and curl will prompt for a password:
curl -u username http://example.com
You can also include the password in the command, but then your password will be visible in bash history:
curl -u username:password http://example.c...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
... line of communication with the server. I'm just wondering how that scales and how many open WebSocket connections a server can handle. Maybe leaving those connections open isn't a problem in reality, but it feels like it is.
...
How can I check if a var is a string in JavaScript?
...Also, you may as well use == (equality comparison operator) since both operands are Strings (typeof always returns a String), JavaScript is defined to perform the same steps had I used === (strict comparison operator).
As Box9 mentions, this won't detect a instantiated String object.
You can dete...