grids. This is the number pair method. For example, in the first column, the number of candidates for B1 and G1 is 7 or 8; the number of candidates in D1 and H1, 7 or 8, can be deleted.Iv) three-Chain number Method
If we find that only three candidate numbers are used for three grids in a column or in a row, these three grids must be exactly the three numbers, in this unit (row, column, or jiugong), the three candidate numbers will not appear in other cells. This is the three-Chain number metho
Have friends, have students, ask what to learn to invest, note: Investment can be reused! It depends on how you use!!!So, I write this blog, the purpose of more convenient for students to learn!A Online Training (Live):1. Tuition Fee:8168 Yuan.(Currently no classes, if required training syllabus, training program, please contact QQ: Learning 3313395633)2.1 Phone initial installation feeInitial installation Fee: 150 yuan (about) + 31 yuan/month, after the test can, if not, please stop the warrant
. Size of individual elements: bytes rather than bits, such as reading an int data is 4 bytes3. Number of bytes read (count)4. File pointers for data (stream)Return value: Number of elements read
=========================rgb===============================
Conversion of 24bit RGB888-> 16bit RGB565
24IBT RGB888 R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0
16bit RGB656 R7 R6 R5 R4 R3 G7 G
Today, when I review the code, I found this macro definition:#define COLOR_TO_MTK_COLOR_SIMUL ((color >>) 0x1f) | (((color) >> Ten 0x3f) | ((color) >> 3) 0x1f)Do you know what this macro is for?After careful analysis, the original is to realize the conversion of RGB888 to RGB565, access to relevant information, found that there is a network of cattle writing Dongdong, here and you share.Talk about quantitative compression and quantification compensation.In color format conversion, often encou
optimizations can be high or low, and even improve performance by 20% in some tests that use the latest CPUs and the "/g7" option.
Using the "/g7" option does not mean that the generated code can only run on the Intel Pentium 4 and AMD Athlon processors. The code can still run on older CPUs, but there may be a "small penalty" for performance. In addition, we have observed that some programs that run on AMD Athlon after using "/g7" are slower than Intel Pentium 4.
When the "/GX" option is not
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/Fo
Create object files
/FP
Precompiled header file name
/FR/FR
Generate a Browser file
/Fu
Force use of the file name, just as it has been passed to the # using command
/FX
Merge the inserted code with the source file
/G3
Optimize the code to optimize the 386 processor. This option is disabled in Visual C ++ 5.0 and will be ignored by the compiler.
/G4
Optimize the code to opti
with a medium screen design, below the projected layout:This also determines the basic grid, three rows and three columns (space between rows and columns, no mesh required)Its HTML code:DOCTYPE HTML>HTMLLang= "ZH-CN">Head> MetaCharSet= "Utf-8" /> title>Responsive layouttitle> Linkhref= "Styles/site.css"rel= "stylesheet" /> Head>Body> DivID= "G"> DivID= "G1">HeadDiv> DivID= "G2">Div> DivID= "G3">Div> DivID= "G4">LeftDiv> DivID= "G5">MiddleDiv>
is the logical structure diagram of D flip-flop implemented with non-gate, CP is the clock signal input, S and R are both set and clear 0 signal, low effective; D is the signal input terminal, Q signal output terminal;Let's talk about the principle of D-trigger implementation: (assuming both S and r signals are high, do not place and clear 0 operation)Cp=0: G3 and G4 closed, Q3 and Q4 output as ' 1 '. Then G5 and G6 Open, q5=d,q6=/d. Q5,q6The signal c
(); // merge cells $ sheet-> mergeCells ("C3: G6 "); // split the merged cell $ sheet-> unmergeCells ("C3: G6"); // set the attribute of row 3rd $ sheet-> getRowDimension (3)-> setRowHeight (100) // Row Height-> setVisible (true) // whether it is visible. The default value is true-> setRowIndex (6) // change the row number to 6-> setOutlineLevel (5 ); // priority. The default value is 0. The number must be
Gene6 FTP is a very good use of FTP server software, the function can say no worse than serv-u, green resource Network All servers are steps G6 FTP.
The latest green resources online has a Windows 2008 Enterprise version of the server. Also as usual download the green version, the results Gene6 FTP in win 2008 can not use the 2003 method to green no way to have to download the installation version
v3.10.0.2, download installation, Chinese all normal
processors.
The performance improvements obtained with/G7 are different, but compared to the code generated by Visual C + +. NET 2002, it is not uncommon for a typical program to reduce execution time by 5% to 10%, and may even decrease by 10% to 15% for programs that contain a large number of floating-point code. The scope of the improvements may vary widely, and in some cases users will see improvements exceeding 20% if they are compiled with/G7 and run on the latest generation of processors
, we have observed that some programs that run on AMD Athlon after using "/g7" are slower than Intel Pentium 4.
When the "/GX" option is not used, the compiler defaults to the "/GB" option, which is "Blended" optimization mode. In Vc.net 2002 and Vc.net 2003, "/GB" represents "/g6", which is optimized for Intel Pentium Pro, Pentium II, and Pentium III processors.
Here's an example that shows the optimization effect of using Pentium 4 and "/g7" when
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T3 UF Pass Standard Edition 10.8PLUS2
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Database is currently the most common large database system in the industry, I encountered a ORA-00257 error in the actual project (insufficient space error), by looking for information, the vast majority of said this is due to too many archiving logs, this problem can be solved by simply deleting logs or increasing the storage space. However, I found that there is still a large storage space on Oracle 10 Gb, but this error is also reported. It turned out to be a new feature in Oracle 10 Gb, re
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