-80000000 available)Completed the first phase of the start, mainly the assembly completed CP15 coprocessor Setup, completed the interrupt Mmucache shutdown board-level structure initialization (serial, clock, etc.) finally completed the GD structure assignment, DRAM initializationPhase IIBack to Arch/arm/lib/crt0. S (Create staging environment)R8 represents the starting position of the current GD structure bodyLR = hereR0 = r8 + 68R0 = gd->start_addr_spr2 = gd->relocaddrR1 = R8Back to Arch/arm/c
and so on. It can help automate the design optimization process, and can invoke a variety of software tools for pre-processing, post-processing, analytical computing, and multidisciplinary optimization.In addition to this, HEEDS MDO provides a common interface for generating input and output files in ASCII format, so that all commercial or private CAE tools can be connected.Users can use the heeds MDO software for numerous analysis, quickly determine the optimization of space, save a lot of tes
C # query txt text (code example ),C # query txt text (code example)
''' // Introduce the namespace using System. IO; using System. text; // method 1 public static void txtReading2 () {// open a Text File, read all rows, and close this document string str1 = File. readAllText (@ "D: \ flie.txt"); // you can specify the encoding method string str2 = File. readAllText (@ "D: \ flie.txt", Encoding. ASCII); // method 2 // usage method File. readAllLines, the same as ReadAllText. This method reads al
is similar to the dictionary Sr.Get('a',0)Judging, slicing, taking valueSR=PD. Series ([1,2,3,4],index=['b','C','D','a']) b1C2D3a4dtype:int64sr.iloc[1] #取索引为1==2sr.ilc[2] #取索引为2==3Fetch IndexSR=PD. Series ([1,2,3,4],index=['b','C','D','a']) SR1=PD. Series ([5,6,7,8,9],index=['a','b','C','D','e']) SR2=PD. Series ([5,6,7,8,9,Ten],index=['a','b','C','D','e','F']) SR+SR1==a9.0b7.0C9.0D11.0e nandtype:float64ps: The extra value is just the Nanadd method SR3=sr.add (sr2,fill_value=0) SR3:==a9.0b7.0C9.
total stack.
An array of 3.3 3.2 points to a large number of Java/util/hashtable$hashtablecachehashentry objects.
According to the analysis, the most suspected object should be java/util/hashmap$entry.
4. Other Experience Collection:
The use of the Heapdump tool is simple, the difficulty is to find "the true cause of the memory leak," generally need to pass the comparison of multiple heapdump files to find . ”
"Objectinputstream/objectoutputstream should be aware of memory leaks. Reset () "
"B
the application of server ports, reference IEEE802.3AE standard 10GBASE-SR. For the application of the backbone 40g/100g of the data center, we can use the mtp/mpo fiber parallel multi-channel multiplexing transmission way 40GBASE-SR4 and 100gbase-sr10 in the IEEE802.3BA, the wiring system will need to adopt mtp/ The MPO pre-connected system is supported, as shown in Figure 3. The application of Class F and class FA to support 40g/100g for copper cab
hard to understand. SR4, SR5 is the version number after the version name (Service Release 4)
When the release of a spring cloud project accumulates to a critical point or a serious bug fix is available, a "Service release" version, called SR (X), is released, and X is an incrementing number
So DALSTON.SR1 is the 1th Service Release version of Dalston.
The following figure is the latest dependent version (https://projects.spring.io/spring-cloud/) giv
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