data crunching meaning

The meaning of program size:code=x ro-data=x rw-data=x zi-data=x Code: The size of the flash the program occupies, stored in flash. Ro-data (read-only data): Read-only-data, program-def

After the project is successfully compiled in Keil, the following message is printed in the Bulid ouput window below:Program size:code=6320 ro-data=4864 rw-data=44 zi-data=1636The meaning of the representative:Code: The size of the bytes in the programRo-data: Instruction an

You has no choice about the necessity to integrateyour observations,Your experiences, your knowledge into abstractideas, i.e., into principles.--ayn Rand, "philosophy:who Needs It" 1974Data Abstraction is a clear separation between the abstract characteristics of a data type and the specifics of its implementation. The "abstract feature" of the data type refers to the interface that is visible to the user c

Explain the meaning of M in MySQL Data Type int (M), mysqlint Introduction The integer types in the MySQL data type is a bit strange. You may see int data types such as int (3), int (4), and int (8. When I first came into contact with MySQL, I thought that int (3) occupied less storage space than int (4), and int (4) o

, changes the data, and then updates the graphic object. It seems that the image itself is returned only after a circle is switched, which is more difficult than directly operating the image. But here is the essence of D3. Only by accumulating complex logic on the data can we maintain code clarity during complex interactions. Of course, if you just want to draw a few pictures and there is not much complicat

The meaning of the square operation of the adjacency matrix of a direction graph This is an assignment in the first chapter of graph theory algorithm application. Now, the linear algebra is too bad. Hey First code: #include The title requires the matrix to be written after the square of the adjacency matrix of the direction graph, then say the meaning of it, write code nearly one hours, want to

| +------------+ | 0000000010 | +------------+ mysql> ALTER TABLE t change column ID ID int (3) Zerofill; Mysql> select * from T; +------+ | id | +------+ | 010 | +------+ mysql> mysql> ALTER TABLE t change column ID ID int (4) Zerofill; Mysql> select * from T; +------+ | id | +------+ | 0010 | +------+ mysql> mysql> insert INTO T (ID) values (1000000); Mysql> select * from T; +---------+ | ID | +---------+ | 0010 | | 1000000 | +---------+ As you can see from the test above, "(M)" Speci

Summary of geometric physical meaning data of SVD singular value decompositionLearn about SVD singular value decomposition online data aggregation:1, about the SVD of a concept article, this article is also the originator of several subsequent articles ~Http://www.ams.org/samplings/feature-column/fcarc-svd2, about the analysis of the physical

value 1000000 is displayed, The specified width "(4)" has been exceeded, so it is output as-is. When using integer types in MySQL data types (tinyint, smallint, mediumint, Int/integer, bigint), there is no point in adding a "(M)" to the data type after the non-special requirements. Add the data type below 1. Integral type MySQL

[Data sorting] MySQL error code meaning bitsCN.com [Data sorting] meaning of MySQL error codes The MySQL error code is retained for future reference. 1005: An error occurred while creating the table. 1006: database creation failed 1007: The database already exists. An error occurred while creating the database. 1008:

normal echo ' I like ' $a ';//In this case, the $a can not be parsed echo "I am {$a}bc";// This scenario will parse a $ A parsed string with the following part of the "escape" of the " Character and encoding problem" use the delimiter to enlarge the output of the string "actually not used" An array of two composite types: a collection of arrays consisting of key-value pairs "for ease of addressing" if you do not specify an array's subscript and assign a value directly to a group, the newly ad

Learn about SVD singular value decomposition online data aggregation:1, about the SVD of a concept article, this article is also the originator of several subsequent articles ~Http://www.ams.org/samplings/feature-column/fcarc-svd2, about the analysis of the physical meaning of SVD more thorough articleHttp://www.cnblogs.com/LeftNotEasy/archive/2011/01/19/svd-and-applications.html3. An introductory article o

Process state. (d= non-disruptive sleep status, r= run, s= sleep, t= track/Stop, z= zombie process)x command name/command lineY Wchan If the process is sleeping, the system function name in sleep is displayedZ Flags task Flag, reference sched.hBy default, only the more important PID, USER, PR, NI, VIRT, RES, SHR, S,%cpu,%MEM, time+, and COMMAND columns are displayed. You can change the display by using the following shortcut keys.The F key allows you to select what is displayed. Press the F key

Description of the meaning of N and M in MySQL Data Type DECIMAL (N, M), mysqldecimal My colleague asked me what the meaning of N and M in the MySQL Data Type DECIMAL (N, M). Needless to say, M is obviously the DECIMAL place, but is N the maximum number of digits before the decimal point or the maximum number of digits

){ $this->success ("Modified successfully", "Zhuyemian"); }Else{ $this->error ("Modification failed!! "); } //Note: Two Jump methods success and error, used for page jump hints, and can support Ajax submissions. } } Public functionShanchu ($code){ $n= D ("Nation"); $r=$n->delete ($code);//Delete () method executes the deletion of the specified data if($r){ $ur

(); student. phone = row ["phone"]. tostring (); student. ADDR = row ["ADDR"]. tostring (); student. register_time = convert. todatetime (row ["register_time"]); list. add (student);} ienumerator The so-called know its own, also want to know its own. Now let me analyze the cause: My intention is to allocate as little memory as possible to create instances (optimizing performance), so I want to use a model as a transit, however, I do not understand the true principle of list If student = new

virt:virtual Memory Usage 1. The process "required" virtual memory size, including the library, code, data, etc. used by the process 2, if the process to apply for 100m of memory, but the actual use of only 10m, then it will grow 100m, rather than the actual use of the volume res:resident Memory usage resident RAM 1. The memory size currently used by the process, but does not include swap out 2. Sharing with other processes 3, if the application of

Http://www.soapui.org/about-soapui-pro/working-with-soapui-pro.html DataSource type dropdown–lets you pick which external source your would use-pull into your test case. Excel–point to an Excel (xls) file Jdbc–connect to a database and pulling data with a SELECT statement or a stored procedure File–for CSV or other delimited files grid–manually define rows of data right i

The essence is to find the integer multiples of the $d, starting at twice times $d.$list [$i]=0;//divide the divisible multiples into 0 processing}}}Extracts the value of the element in the entire array to 1foreach ($list as $key = = $value) {if ($value = = 1) {echo $key. ' }}}?>The above is the implementation of screening!!!Two algorithms for finding prime numbers:(1) by dividing "to achieve circular division, only the method of controlling the maximum divisor" to achieve the prime number(2) S

now.W S Process state. (d= non-disruptive sleep status, r= run, s= sleep, t= track/Stop, z= zombie process)x command name/command lineY Wchan If the process is sleeping, the system function name in sleep is displayedZ Flags task Flag, reference sched.hBy default, only the more important PID, USER, PR, NI, VIRT, RES, SHR, S,%cpu,%MEM, time+, and COMMAND columns are displayed. You can change the display by using the following shortcut keys.The F key allows you to select what is displayed. Press t