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通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...并且完成服务降级：
limit_conn_zone $server_name zone=perserver:1m;
error_page 500 502 503 504 = @failover;
fastcgi_cache_path
/tmp
levels=1:2
keys_zone=failover:100m
inactive=10d
max_size=10g;
upstream php {
server 127.0.0.1:9000;
server 127.0....
Cost of len() function
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It's O(1) (constant time, not depending of actual length of the element - very fast) on every type you've mentioned, plus set and others such as array.array.
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How can I detect whether an iframe is loaded?
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185
You may try this (using jQuery)
$(function(){
$('#MainPopupIframe').load(function(){...
Bootstrap carousel multiple frames at once
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14 Answers
14
Active
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How to find all positions of the maximum value in a list?
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17 Answers
17
Active
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The static keyword and its various uses in C++
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150
Variables:
static variables exist for the "lifetime" of the translation unit that it's defined...
In C, how should I read a text file and print all strings
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132
The simplest way is to read a character, and print it right after reading:
int c;
FILE *file;...
Eclipse, regular expression search and replace
...'th capture group.
So:
search: (\w+\.someMethod\(\))
replace: ((TypeName)$1)
Hint: CTRL + Space in the textboxes gives you all kinds of suggestions for regular expression writing.
share
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improve ...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
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143
Yes, it's subassignment in R using <- (or = or ->) that makes a copy of the whole object...
How to unstash only certain files?
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481
As mentioned below, and detailed in "How would I extract a single file (or changes to a file) fr...