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Do AJAX requests retain PHP Session info?
...AX request happens during the loading of the rest of the page. I'm using a MySQL DB for the session data, and it's possible that the main page request is locking that table, preventing the AJAX request from accessing it.
– Buttle Butkus
Aug 7 '19 at 3:57
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外媒评本轮科技泡沫：创业公司首当其冲 九成将消失 - 资讯 - 清泛网 - 专注...
...部门主管安德鲁·博伊德（Andrew Boyd）说：“一家企业是如何从获风投支持的创业公司走过来的，目前不再有一个明确的界限。我们只是一家上市公司。”博伊德还补充说，富达国际目前有一个135人组成的分析师团队，这个团队...
I want to copy table contained from one database and insert onto another database table
...an entire database instead of just one table. For that I'd recommend using mysqldump command.
– thorne51
Jun 18 '14 at 9:33
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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...
...，tcmalloc性能上也有明显的优势，并且相对平稳。
github mysql优化
github使用tcmalloc后，mysql性能提升30%
Jemalloc
jemalloc是facebook推出的， 最早的时候是freebsd的libc malloc实现。 目前在firefox、facebook服务器各种组件中大量使用。
jemall...
Error 908: Permission RECEIVE_SMS has been denied. - App Inventor 2 中...
...的讨论。一位用户遇到了这个问题，并询问是否有人知道如何解决。其他用户提供了一些可能的解决方案，包括检查应用程序权限设置、确保手机上的权限设置正确、重新编译应用程序等。有人建议检查应用程序是否有读取短信...
mysqldump data only
I am looking for the syntax for dumping all data in my mysql database. I don't want any table information.
8 Answers
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Compelling examples of custom C++ allocators?
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I'm working with a MySQL storage engine that uses c++ for its code. We're using a custom allocator to use the MySQL memory system rather than competing with MySQL for memory. It allows us to make sure we're using memory as the user configured M...
Good tool to visualise database schema? [closed]
...e any good tools for visualising a pre-existing database schema? I'm using MySQL if it matters.
20 Answers
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剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术
...拟地址空间的布局就讲这些吧。下一篇文章将讨论内核是如何跟踪这些内存区域的。我们会分析内存映射，看看文件的读写操作是如何与之关联的，以及内存使用概况的含义。
布局 内存 程序
How do I list all the columns in a table?
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For MySQL, use:
DESCRIBE name_of_table;
This also works for Oracle as long as you are using SQL*Plus, or Oracle's SQL Developer.
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