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浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的处理能力，那么接收方会出现丢包。为了避免出现此类问题，流量控制要求数据传输双方在每次交互时声明各自的接收窗口「rwnd」大小，用来表示自己最大能保存多少数据，这主要是针对接收方而言的，通俗点儿说就是让发...
.rar, .zip files MIME Type
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actually there's another MIME TYPE for zip, and that's: application/x-zip-compressed
– Kiyarash
Oct 6 '14 at 19:21
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Can PHP cURL retrieve response headers AND body in a single request?
...R, 1);
// ...
$response = curl_exec($ch);
// Then, after your curl_exec call:
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$header = substr($response, 0, $header_size);
$body = substr($response, $header_size);
Warning: As noted in the comments below, this may not be reliable when used ...
Linux 生产环境定位C++内存异常问题的思路 - 调试技术 - 清泛IT社区，为创新赋能！
1、首先，调查内存相关问题 asan 肯定是首选，不光是内存泄漏，内存越界、内存非法访问等内存异常问题。
2、开发环境可以直接套上 asan，编译时加上 -fsanitize=address，链接时加上 -lasan ，程序优雅退出即可。
3、生产环境一般...
check if jquery has been loaded, then load it if false
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I believe appending a script tag to body works in all browsers.
– Steven Lu
Jan 6 '13 at 21:26
3
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Why can't I access DateTime->date in PHP's DateTime class?
...ilable is actually a side-effect of support for var_dump() here – derick@php.net
For some reason, you're not supposed to be able to access the property but var_dump shows it anyways. If you really want to get the date in that format, use the DateTime::format() function.
echo $mydate->format(...
in_array() and multidimensional array
...sive (hence the _r, analogous to print_r(), for example). It descends into all nested arrays to search for the value until there are no more arrays to be found. This way, you can search through arrays of arbitrary complexity instead of just two levels deep.
– jwueller
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Best way to create an empty object in JSON with PHP?
To create an empty JSON object I do usually use:
7 Answers
7
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PHP PDO returning single row
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Do you really need to LIMIT 1 all the time though? Knowing that you're selecting a UNIQUE value comes to mind.
– Super Cat
Feb 1 '17 at 3:10
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“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
I have just installed XAMPP on my Windows XP machine, and I get an error saying:
12 Answers
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