Andrew Tridgell kept silence on the criticism of Linus Torvalds while seeking expert legal advice. At this time, another open-source community leader, Bruce Perens, was unable to withstand the attack. He publicly defended the work of The Tridgell reverse engineering Bitkeeper (BK) protocol.
Earlier, Torvalds criticized Tridgell's behavior and posted two harsh comments on the Internet. In the second petition, Torvalds even used the word "vicious destr
Summer camp for "Shenzhen Cup" Mathematical Modeling in 2015-Question B: k-mer index of DNA sequence,-bk-mer
This is a question given to me by a student from Shandong University of Science and Technology. I don't know much about mathematical modeling, so I can only use computer programs to solve it.
This is a specific problem:
This problem comes from the k-mer index problem of the DNA sequence.
Given a DNA sequence, this series contains only four let
Incorrectly, you cannot select some values from the same table first, and then update the table (in the same statement). For example, the following SQL:Delete from the TBL where ID in(Select Max (ID) from TBL a where EXISTS(Select 1 from the TBL B where A.tac=b.tac GROUP by TAC has count (1) >1)Group BY TAC)Rewrite it to the following line:Delete from the TBL where ID in(Select a.ID from(Select MAX (ID) ID from tbl a where EXISTS(Select 1 from the TBL B where A.tac=b.tac GROUP by TAC has count (
A few days ago accidentally encountered a blog, think written very good, their own time before there is a bad habit, that is met with a good resource first reaction is to collect it and then rarely see!! This is a bad habit, to change! So I began to read it today, and the second one was the BK tree. Feel a little meaning, and so on the germination of writing a blog what, but, I found that someone has translated. Then why do you invent the wheel again,
The basic idea is the same as the previous one:
1: Apply for a K size auxiliary array.
2: Assigning a value to an auxiliary array and sorting from small to large
3: In turn, use the following number and the maximum number of the secondary array to
All scripts of the oracle backup plan are evenly stored in/dsk3/bk/scripts.
① [Oracle @ sia scripts] $ cat connect. rcv (connect to the rman script) connect target sys/oracle @ prod; ② [oracle @ sia scripts] $ cat del_obso.rcv (delete logs with expired status and obsolete files) run {configure retention policy to redundancy 3; crosscheck archivelog all; delete noprompt expired archivelog all; delete noprompt obsolete;} ③ [oracle @ sia scripts] $ cat b
$\backup\inittest. ORACopied toE:\bk\inittest. ORA
--Step 3: Edit the file path in the parameter file
If the path is the same as the original, you do not need to modify
eg-*_dump_dest-log_archive_dest*-Control_files
---instance:
orcl.__db_cache_size=939524096orcl.__java_pool_size=16777216orcl.__large_pool_size=16777216Orcl.__oracle_base= ' F:\app\Administrator ' #修改路径orcl.__pga_aggregate_target=855638016orcl.__sga_target=2550136832Orcl.__shared_io_p
(), easy to find, the current chunk Prev_isuse flag position 0, indicating that the previous chunk has been released.In the released chunk, the low address of the original data location is filled with two pointers, FD and BK, which are abbreviations for forward and backward words, respectively, representing the address of the previous free chunk and the last free chunk. Thus all memory chunk freed by free () will form a doubly linked list. Also there
Asjson = jsonformat.printtostring (chatrespbody); System.out.println ("Object to JSON" +asjson); byte[] Bodybyte = Chatrespbody.tobytearray (); Decoding is converted from byte[] to Java object chatrespbody parsechatrespbody = Chatrespbody.parsefrom (bodybyte); Asjson = jsonformat.printtostring (parsechatrespbody); System.out.println ("Bodybyte To JSON "+asjson"); Transfer from JSON to protobuf chatrespbody.builder _builder = Cha
: Incremental backup, which uses Incremental Backup every Wednesday. Backup data changes from Sunday to Wednesday
Bak_inc2: Incremental backup at the level, which backs up incremental backups generated on a daily basis. For example, from Sunday to Monday, from Monday to Tuesday
-- The following is a level-increment script, which is processed by other levels and levels according to law. What is different is the backup level and tag
[Oracle @ oradb Scripts] $ cat bak_inc0
Run {
Alloca
items, two people take turns from a heap or at the same time from the two piles of the same number of items, the provisions of at least one at a time, more than unlimited, the last to win the light. In this case it is quite complicated. We use (AK,BK) (AK≤BK, k=0,1,2, ..., n) indicates the number of items in the two stacks and calls it a situation, if a face (0,0), then A has been lost, this situation we c
that can flow through} Cir_line, * lpcir_line;
//-------------------------------------------------//// Round//-------------------------------------------------//
Lpcir_line computeroundlinebyround (Double R){Lpcir_line BK = new cir_line;
Double S = pI * (R * R );BK-> S = s;BK-> I = S * c_line_a;
Return BK;}
Lpcir_line
));}Catch (Exception ex){Throw ex;}}}}
Call
Protected void Button4_Click (object sender, EventArgs e){List Book bk = new book ();Bk. Author = "AAA ";Bk. BookName = "aaaa ";Bk. Date = "1990 ";Books. Add (bk );
Bk = new book ();
take turns from a heap or the sameWhen taking the same number of items from the two piles, the rule is to take at least one at a time, many more, and finally the winner wins.In this case it is quite complicated. We use (AK,BK) (AK≤BK, k=0,1,2,...,n) to indicate the number of items and call it the situation , if a face (0,0), then A has been lost, this situation we call the singular situation . The first fe
prepare the compiled code
This part contains the following key points. Please note that.
Compiler
Cygwin
Memory
Patience
Compile MySQL (the best combination with PHP) code using GCC, VC6.0, and VC7.1 in Cygwin. If you use Intel C ++
We recommend that you use it with VC6.0. The reason why VC 7.0 is not recommended is its own BUG (fixed but not publicly available .), If no patch is installed, it will cause an error (inline optimization can be solved temporarily ). For VC6.0, install SP4 or SP5 an
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