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Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...200万个，但我们设置最大文件描述符限制时，会遇到一些问题，我们在后面详细讲解。
2. 客户端的准备
由于我们需要构建大量的客户端，而我们知道，在一台系统上，连接到一个服务时的本地端口是有限的。由于端口是16位整...
json_encode is returning NULL?
...ser didn't solve my problem. For those in same situation, here is how I finally handled this error:
Just utf8_encode each of your results.
while($row = mysql_fetch_assoc($result)){
$rows[] = array_map('utf8_encode', $row);
}
Hope it helps!
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淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...，我们怎么办?通常来说，我们都是通过集群来解决这个问题，而通常所说的集群，不仅有负载均衡，更重要的是要有失效恢复failover,比如tomcat采 用的集群节点广播复制，jboss采 用的配对复制等session状 态复制策略，但是集群中...
continue processing php after sending http response
My script is called by server. From server I'll receive ID_OF_MESSAGE and TEXT_OF_MESSAGE .
12 Answers
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JavaScript/jQuery to download file via POST with JSON data
...d single-page webapp. It communicates with a RESTful web service via AJAX calls.
14 Answers
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HTTP authentication logout via PHP
...ecification (section 15.6):
Existing HTTP clients and user agents typically retain authentication
information indefinitely. HTTP/1.1. does not provide a method for a
server to direct clients to discard these cached credentials.
On the other hand, section 10.4.2 says:
If the request...
What's the maximum value for an int in PHP?
Ignoring the special libraries that allow you to work with very big numbers, what's the largest int value you can store in PHP?
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Remove excess whitespace from within a string
I receive a string from a database query, then I remove all HTML tags, carriage returns and newlines before I put it in a CSV file. Only thing is, I can't find a way to remove the excess white space from between the strings.
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家政O2O百家争鸣后的卡位战：烧钱补贴并非良药 - 资讯 - 清泛网 - 专注IT技能提升
...少业内人士表示，今年或将迎来真正的家政O2O大战，那么问题来了，怎么战？融资后的钱是否仅有补贴一道？
未来存活率仅有5%
国内巨大的家政需求吸引着一系列创业者的关注，根据“云家政”去年年底发布的北上广深四地家...
家政O2O百家争鸣后的卡位战：烧钱补贴并非良药 - 资讯 - 清泛网 - 专注IT技能提升
...少业内人士表示，今年或将迎来真正的家政O2O大战，那么问题来了，怎么战？融资后的钱是否仅有补贴一道？
未来存活率仅有5%
国内巨大的家政需求吸引着一系列创业者的关注，根据“云家政”去年年底发布的北上广深四地家...