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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
...使内存占用尽量减少，我将Nginx的request_pool_size从默认的4k改成1k了。另外，net.ipv4.tcp_wmem与net.ipv4.tcp_rmem中的默认值也设置成4k。
两百万连接时，通过nginx的监控得到数据：
两百万连接时系统内存情况：
Http comet 长连接
Convert InputStream to byte array in Java
...ls toByteArray(). It handles large files by copying the bytes in blocks of 4KiB.
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How to copy a directory structure but only include certain files (using windows batch files)
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Thanks To Previous Answers. :)
This script named "r4k4copy.cmd":
@echo off
for %%p in (SOURCE_DIR DEST_DIR FILENAMES_TO_COPY) do set %%p=
cls
echo :: Copy Files Including Folder Tree
echo :: http://stackoverflow.com
rem /questions/472692/how-to-copy
rem -a-directory-...
Passing arrays as url parameter
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Stefan GehrigStefan Gehrig
77.4k2222 gold badges144144 silver badges177177 bronze badges
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Sublime Text 3 how to change the font size of the file sidebar?
...etter solution if the whole UI is looking small (for example, when using a 4k display). I used a value of 1.5 under Ubuntu+XFCE.
– Enrico
Apr 18 '16 at 11:29
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Pure CSS to make font-size responsive based on dynamic amount of characters
... 640, 800, 1024, 1280, 1440, 1600, 1920, 2048, 2560. Don't even bother for 4k, it will bloat your images too much and the 2560 size stretched to 100% width looks just fine on a 4k monitor (I've tested this). Also, don't bother with 720 (720x480) as the previous poster suggested. Its a resolution use...
How to remove the querystring and get only the url?
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Most Easiest Way
$url = 'https://www.youtube.com/embed/ROipDjNYK4k?rel=0&autoplay=1';
$url_arr = parse_url($url);
$query = $url_arr['query'];
print $url = str_replace(array($query,'?'), '', $url);
//output
https://www.youtube.com/embed/ROipDjNYK4k
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Are there any disadvantages to always using nvarchar(MAX)?
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New results on SQL Server 2012: 10 is twice slower than 4k and MAX is 5.5 times slower than 4k.
– cassandrad
Feb 10 '16 at 16:48
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What is the maximum size of a web browser's cookie's key?
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The 4K limit you read about is for the entire cookie, including name, value, expiry date etc. If you want to support most browsers, I suggest keeping the name under 4000 bytes, and the overall cookie size under 4093 bytes.
One t...
doGet and doPost in Servlets
...marked with its parameters
Disadvantages of the GET method:
Can only send 4K worth of data. (You should not use it when using a textarea field)
Parameters are visible at the end of the URL
Advantages of the POST method:
Parameters are not visible at the end of the URL. (Use for sensitive data)
C...