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How to atomically delete keys matching a pattern using Redis
...m.
EDIT: Per Kikito's comment below, if you have more keys to delete than free memory in your Redis server, you'll run into the "too many elements to unpack" error. In that case, do:
for _,k in ipairs(redis.call('keys', ARGV[1])) do
redis.call('del', k)
end
As Kikito suggested.
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How does OpenID authentication work?
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What is OpenID?
OpenID is an open, decentralized, free framework for user-centric digital identity. OpenID takes advantage of already existing internet technology (URI, HTTP, SSL, Diffie-Hellman) and realizes that people are already creating identities for themselves whether...
How can jQuery deferred be used?
...presented the results at jQuery Conference San Francisco 2012.
Here is a free video of the talk:
https://www.youtube.com/watch?v=juRtEEsHI9E
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Long-held, incorrect programming assumptions [closed]
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That bugfree software was possible.
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edited Aug 11 '10 at 10:41
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Incompatible implicit declaration of built-in function ‘malloc’
...ins the header information or prototype of the malloc, calloc, realloc and free functions.
So to avoid this warning in ANSI C, you should include the stdlib header file.
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Export specific rows from a PostgreSQL table as INSERT SQL script
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Just want to share to other people, you can also use this free GUI tool: SQL Workbench/J (with postgreSQL jdbc4 driver), to do the same thing.
– null
Oct 11 '12 at 9:27
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bpftrace教程【官方】 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...[tracepoint:sched:sched_process_exit]: 1
@[tracepoint:sched:sched_process_free]: 2
@[tracepoint:sched:sched_process_wait]: 7
@[tracepoint:sched:sched_wake_idle_without_ipi]: 53
@[tracepoint:sched:sched_stat_runtime]: 212
@[tracepoint:sched:sched_wakeup]: 253
@[tracepoint:sched:sched_waking]: 2...
Send email using the GMail SMTP server from a PHP page
...ge attachments and inline/embedded images with low memory
use.
It is a free and open source you can Download Swift Mailer and upload to your server. (The feature list is copied from owner website).
The working example of Gmail SSL/SMTP and Swift Mailer is here...
// Swift Mailer Library
requir...
How to attach my repo to heroku app
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I have a free Heroku account, and seemed to have to swap git@... with this: git.heroku.com{app}.git
– mikeDOTexe
Feb 6 '16 at 3:15
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When should I use semicolons in SQL Server?
...tp://www.tsqltidy.com/tsqltidySSMSAddin.aspx
EDIT:
I found an even better free tool/plugin called ApexSQL...
http://www.apexsql.com/
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