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tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
...,设置为60,以缩短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。
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How should one use std::optional?
... fail
This requires dynamic memory allocation, worrying about ownership, etc. - always prefer one of the other two signatures above.
Another example:
class Contact
{
std::optional<std::string> home_phone;
std::optional<std::string> work_phone;
std::optional<std::stri...
Can jQuery provide the tag name?
... +1 jQuery is() doesn't do the job because in the case of h1, h2, etc there are 6 different cases you have to handle if using is().
– Konstantin Dinev
Nov 19 '12 at 9:51
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TypeError: p.easing[this.easing] is not a function
...and you've tried updating versions and making sure effects core is present etc and still scratching your head. Check the documentation for animate() and other syntax.
All I did was write "Linear" instead of "linear" and got the [this.easing] is not a function
$("#main").animate({ scrollLeft: '187p...
SOAP vs REST (differences)
...only support XML, but REST supports different format like text, JSON, XML, etc. And we already know, if we use Json then definitely we will be in better place regarding payload.
Now, SOAP supports the only XML, but it also has its advantages.
Really! How?
SOAP relies on XML in three ways
Envelo...
WiX tricks and tips
... (except Config.wxi) from existing project.
Create Setup.Live, Setup.Test, etc as per normal wixproj.
Add BeforeBuild target in wixproj in Setup.Live, etc to perform MSBuild Community Task FileUpdate to modify Guids (I used A for Live, B for Test and C for training)
Add AfterBuild target to revert C...
Find out whether radio button is checked with JQuery?
... Bingo! thanks David. So would I have to invoke an action (click etc) to show the alert? Is there a way to do this without clicking?
– Keith Donegan
Feb 16 '10 at 11:50
3...
How to properly document S4 class slots using Roxygen2?
...escription/details appears to be the same as for functions, methods, data, etc. However, slots and inheritance are their own sort of animal. What is the best practice -- current or planned -- for documenting S4 classes in roxygen2?
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Options for HTML scraping? [closed]
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I second this one. Dont need to install any mod_python, etc into the web server just to make it work
– Brock Woolf
Mar 21 '10 at 13:24
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Unable to make the session state request to the session state server
... the service is started, ports aren't being blocked, reg keys are correct, etc.
Kaseya, in particular, places a file called serveripinternal.txt in the root IIS directory of the VSA server. I've seen the text of your error when somebody running their own Kaseya instance changed the server's interna...