Analysis of OSPF external routes E1 and E2 1. when ospf publishes an external route to a single asbr, 1.1 the equivalent path in the OSPF domain of a single ASBR re-publishes the rip route on the ospf of r2. When the release type is e2 or e1, there will be two routes on r5, respectively through r3 and r4 to 10.1.1.0 (because they are equal-cost routes, this part is relatively simple, not to mention) regardi
Finally, I am determined to write the GBA simulator... After modifying the half-done code, the source code of the OOP simulator is finally compiled, but it cannot be run on the machine. The source code uses a very strange way to process system response: take the initiative to call the system for processing, without thread ...... That's strange. Is it all written in the simulator?
In short, there is a problem with this method running on E2, so I thoug
After several days of hard struggle with the color table, we finally figured out that the color table of this VBA simulator uses the rgb565 format, and E2 uses the rgb666 format and right-aligned according to a three-byte pixel.
Therefore, the gbasimulator can run normally on E2. The compatibility of VBA is not covered, but the speed is only 30%.
I am using CCodeIt is normal to compile in the kernel simul
E2 has been used for two months. Since January August, there has been a serious SMS delay on my mobile phone. Generally, the latency is 4 ~ In about five hours, the more serious case is that delayed text messages will be repeatedly received many times. The delay has been a headache. It is so annoying to receive the delayed text message again!
I have studied the solutions of experts online, and I have gained some practical results.
The text message de
I 'v ported cinvoke to MOTO E2 that working on arm linux. Most of the functions in this shared library can be
Found and invoked correctly, but the function with the float value as parameter or return value that can not be
Invoked correctly, the float values that passed to the shared library were not I expected, and the values passed
Back were also incorrect. And the CALLBACK function is not work yet, it throwed the "Segmentation fault"
Exception
+ (t1.pathcnt + t2.pathcnt + t3.pathcnt)/2;LL ans, Maxans = 0;Fixed Y1,t2.maxtot equivalent to Tot2TMP + = T1.N * T2.maxtot;Enumeration Y2for (int i = 1; I {Assuming the current t2.tot[i] is tot3,t2.dis[i] distance from Y2 to Y1, Y1 as a single originAns = (LL) tmp + T3.N * T2.tot[i] + T1.N * T3.N * t2.dis[i];Maxans = max (ans, maxans);}return Maxans;}int main (){int n[3], I, J;LL ans = 0;Freopen ("In.txt", "R", stdin);scanf ("%d%d%d", n[0], n[1], n[2]);for (i = 0; i {T[i].build (N[i]);T[i].solv
Added features
Improved Functions
Phone repair ticket, add options for notifying customers and technicians via text message
Product history analysis, added statistics by product classification conditions
The repair warehouse is added
Added features
Added support for Zhongguancun to obtain Product Information
Added the personal performance query function.
Added the complimentary and complimentary query functions.
Added product history analysis reports, fund
access time will be further reduced to several seconds
Convert the algebraic expression Q1 to Q2, Q3,When there is a select and connection operation, first select the operation, so that the joined tuples can be greatly reduced, which is an algebraic OptimizationIn Q3The SC table selection algorithm includes two methods: full table scan and index scan. After preliminary estimation, the index scan method is better.For the connection between Student and SC tables, the index join on Student tables
to several seconds
Convert the algebraic expression Q1 to Q2, Q3,When there is a select and connection operation, first select the operation, so that the joined tuples can be greatly reduced, which is an algebraic OptimizationIn Q3The SC table selection algorithm includes two methods: full table scan and index scan. After preliminary estimation, the index scan method is better.For the connection between Student and SC tables, the index join on Student tables is less costly, Which is physical op
reduced, which is the algebraic optimizationIn the Q3SC table selection operation algorithm has full table scan and index scanning 2 methods, after preliminary estimation, index scanning method is superiorFor connections to the student and SC tables, using indexes on the student table, the index join is less expensive, which is the physical optimizationAlgebraic optimization strategy: Improve query efficiency by equivalent transformation of relational algebraic expressions Equivalence of relati
interpreters, because interpreters are essentially "any machine for processing languages ".
Recursive Definition)
The interpreter is generally a recursive program ". The reason for recursion is that the data structure (Program) It processes is a "recursive definition" structure. An arithmetic expression is a structure such as '(* (+ 1 2) (* (-9 6) 4 )). Each expression can contain a subexpression, and a subexpression can also contain a subexpression, so endless nesting. It seems complicated, bu
Description of the similarity problem of the computed stringAnalysis and SolutionThe specific code is as follows:1 PackageChapter3jiegouzhifa. stringsimilarity;2 /**3 * Calculates the similarity of a string4 * "Solution One"5 * @authorDELL6 *7 */8 Public classstringsimilarity {9 Public Static intCalculatestringdistance (String str1,intB1,intE1, String str2,intB2,intE2) {Ten if(b1>E1) { One if(b2>E2) A retu
Recently, we have been working on this coordinate transformation task, which involves many profound things such as surveyors. Here I will not explain these difficult theories. Here, I will post the code to share with you. In fact, if you want to write this code, you must be familiar with the knowledge related to the land survey. Otherwise, you will not be able to understand the code. Okay.
Source code
/*** Space earth Cartesian coordinates-> Earth coordinates*/Public geopoint xy
that comes with the local system, so it's relatively simple to operate.First, create a backup vault:Log in to the Azure management portal to select Data Services650) this.width=650; "title=" clip_image001 "style=" border-top:0px;border-right:0px;background-image:none; border-bottom:0px;padding-top:0px;padding-left:0px;border-left:0px;margin:0px;padding-right:0px; "border=" 0 "alt = "clip_image001" src= "http://s3.51cto.com/wyfs02/M02/72/DE/wKioL1XvkJHxFFDtAAH8LqBkR1g263.jpg" height= "641"/>Clic
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