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tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
...TIME_WAIT的等待时间
ubuntu机器设置
vi /etc/sysctl.conf
编辑文件，加入以下内容：
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_fin_timeout = 30
然后执行 /sbin/sysctl -p 让参数生效。
net.ipv4.tcp_syncooki...
How to implement a secure REST API with node.js
...
app.use (function(req, res, next) {
var data='';
req.setEncoding('utf8');
req.on('data', function(chunk) {
data += chunk;
});
req.on('end', function() {
req.body = data;
next();
});
});
// ------------------------------------------------------
// RE...
NodeJS: Saving a base64-encoded image to disk
...de.
var fs = require('fs'),
data = fs.readFileSync('base64', 'utf8'),
base64Data,
binaryData;
base64Data = data.replace(/^data:image\/png;base64,/, "");
base64Data += base64Data.replace('+', ' ');
binaryData = new Buffer(base64Data, 'base64').toString('binary');
fs.writeFile("...
VM 磁盘空间扩容引起的一些问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...备中可以认到LUN 60 LUN80 容量显示正确，但不能正确识别文件格式。在ESX1的数据储存中认到LUN60 LUN80的准确容量，在ESX2的数据存储中只能认到LUN60的正确容量，LUN80根本找不到。
ESX2主机在设备
LUN 60一切正常。
为...
What characters are forbidden in Windows and Linux directory names?
...
254 files? And what about utf8?
– j_kubik
Sep 9 '12 at 1:33
21
...
How do I use Node.js Crypto to create a HMAC-SHA1 hash?
...he line
hmac.end(text, function () {
could be written
hmac.end(text, 'utf8', function () {
because in this example text is a utf string
share
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f...
Error: Can't set headers after they are sent to the client
...an be in either Head/Body and remains in Body:
res.write(chunk, encoding='utf8')
Response can be in either Head/Body and becomes Finished:
res.end([data], [encoding])
Response can be in either Head/Body and remains in its current state:
res.addTrailers(headers)
Response must be in Head and bec...
Wi-Fi 是什么的缩写 - 程序人生、谈天论地 - 清泛IT论坛，有思想、有深度
...之一传十十传百。现今，连一些业内人士也在官方发表的文件中以 wireless fidelity 解释 Wi-Fi。关于 wireless fidelity 的文档，据说在 Wi-Fi 联盟的官网上只有两篇，是春夏季度媒体发布时的文章，保留它是为了记住那段遗憾的岁月，基...
string sanitizer for filename
...lar-Matthew-McConaughey/dp/B00TU9UFTS/ref=s9_nwrsa_gw_g318_i10_r?_encoding=UTF8&fpl=fresh&pf_rd_m=ATVPDKIKX0DER&pf_rd_s=desktop-1&pf_rd_r=BS5M1H560SMAR2JDKYX3&pf_rd_r=BS5M1H560SMAR2JDKYX3&pf_rd_t=36701&pf_rd_p=6822bacc-d4f0-466d-83a8-2c5e1d703f8e&pf_rd_p=6822bacc-d4f0...
$.ajax - dataType
...; charset=utf-8",
dataType: "json",
Here you are sending json data using UTF8 character set, and you expect back json data from the server. As per the JQuery docs for dataType,
The json type parses the fetched data file as a JavaScript object and
returns the constructed object as the result...