开发者

nextcloud搭建私有云

0
  • data caching in mysql

    can we cache queries in mysql with ph开发者_如何学编程p. or please suggest me some ways to do so. MySQL has it\'s own internal query cache.You could set up your own system using shared memory, memcach[详细]

    2022-12-30 04:08 分类:问答
  • I want to display the missing (non-matching) records

    Is there a way to program the following SQL query SELECTdbo.Assets_Master.Serial_Number, dbo.Assets_Master.Account_Ident, dbo.Assets_Master.Disposition_Ident[详细]

    2022-12-27 07:05 分类:问答
  • while(1) block my recv thread

    I have a problem with this code. As you can see a launch with an internal thread recv so that the program is blocked pending a given but will continue its execution, leaving the task to lock the threa[详细]

    2022-12-27 04:57 分类:问答
  • Left Join on Many-to-One Mapping

    I have a reference to call that may or may not be there.When I add the nullable option it still doing Inner Join when I want an Left Join (show the left even if the right is null).Is this开发者_Python[详细]

    2022-12-25 12:08 分类:问答
  • Where can I find information about Perl's special variables?

    Perl has quite a few special variables such as @F, $!, %! ... e开发者_如何转开发tc. Where are all Perl\'s special variables documented?All special variables used by Perl are documented in perldoc perl[详细]

    2022-12-25 12:04 分类:问答
  • How to create a password protected pdf file

    开发者_StackOverflowI\'m using html2fpdf for creating PDF documents. Now once I have created that, I want to make sure that the PDF file is password protected. How can this be done in PHP?Download the[详细]

    2022-12-25 06:37 分类:问答
  • cached data base

    in my project i need a tow tables each of it has about 2000 row , i want my application to be speed so my db should load into memory (cached) when the app start and b开发者_Python百科efore it close th[详细]

    2022-12-25 05:52 分类:问答
  • Firebug and jQuery selectors in an iFrame

    I\'m working on a web application and using the jQuery plug-in Colorbox to pop up a window that presents a form for editing elements of the parent window. I\'m using Firebug to debug my Javascript and[详细]

    2022-12-24 19:29 分类:问答
  • How can I do an overlapping scatter using Boost.MPI?

    I want to distribute a vector with overlapping elements. For example, if I had [1,2,3], I\'d want [1,2] to开发者_开发知识库 get sent to one node, and [2,3] to get sent to another. I\'m familiar with h[详细]

    2022-12-24 19:17 分类:问答
  • String replace in Java ME double space

    How can I replace \"a  b\" by \"a b\" in Java ME? Th开发者_Python百科e replace() method doesn\'t accept Strings, but only characters. And since a double space contains two characters, I th[详细]

    2022-12-24 17:41 分类:问答