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【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

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

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

In a recent project, the database was kept in a sub-library due to the large amount of data being accounted for daily. When data is dispersed across libraries, there is a consistency and integrity of the data update operation. The following is a

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

1. Database sub-Library sub-table 1.1. Preface 1.1.1. Noun explanation 1.2. Evolution of the database architecture 1.3. Issues before the sub-list 1.3.1. User request volume is too large

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

1. Maximum child segments and Problems Problem definition:For the given sequence A1, A2, A3 ...... An. Find a continuous sub-segment of the sub-segment to maximize the sum. For example (-,-,-5,-2) the maximum child segment is {11,-} and its sum is 20

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,

Database Library sub-table from the Internet era has been a hot topic. In today's NoSQL, relational databases are still preferred by most companies because of their stability, query flexibility, and compatibility. Therefore, it is an unavoidable