add and sub

【摘要】 This paper introduces the application of maximal thought in this kind of problem, aiming at the problem of maximal (or optimal) sub-rectangle and related deformation in recent times. Two algorithms with certain generality are analyzed. Some

OverviewThe necessity of the Sub-database tableFirst, let's look at why we want to do a sub-database table. In our business (Web application), the relational database itself is relatively easy to become a system performance bottleneck, the

SummaryThis paper introduces the application of maximal thought in this kind of problem, aiming at the problem of maximal (or optimal) sub-rectangle and related deformation in recent times. Two algorithms with certain generality are analyzed. Some

I. MySQL Sub-database sub-table scheme 1. Why divide the table:When the data of a table reaches tens of millions of, the time you spend querying is much more, and if you have a joint query, I think I might die there. The purpose of the sub-table is

How to dynamically add menus/menu items, sub-menus, right-click menus, and menu item sub-menus Menu-related operations mainly use the CMenu class. Of course, the corresponding API functions are also available. The CMenu class is only the

Overview: every program in VBA contains a process. The recording macro is a process, and a custom function is also a process. After mastering the compilation and thinking of a single process, you can combine large and medium-sized plug-ins or

A very important consideration in choosing an open source core component is often community activism, especially if the project team is unable to perform its own follow-up maintenance and expansion.On the Sub-database table and read/write separation,

Original address: http://blog.csdn.net/zwan0518/article/details/11972853Directory (?) [-] One query optimization 1 Creating an Index 2 Configuration of the cache 3slow_query_log Analysis 4 Sub-Library sub-table

Write todayProgramRight-click the menu control contextmenustrip, which is really convenient. I wrote a few menus and sub-menu items, which can be used to add events to each menu by double-clicking. However, this seems to be very troublesome, and it

This article summarizes the methods for finding sub-objects in unityFirst of all, here are three ways to find sub-objects:A method for locating a sub-object of a fixed path, a method for finding a sub-object by its name depth, and a method for