chainsaw execution

Reporting progress during asynchronous method execution you can use the progressWe need to invoke the Async method:1 /// 2 ///asynchronous tasks that report progress and can be canceled3 /// 4 /// 5 /// 6 /// 7 Public Static AsyncTask Progressasync (CancellationToken token, iprogressDouble> progress =NULL)8 {9 　　 DoublePercentComplete =0;Ten 　　 //loop execution when progress does not reach 100%, simulati

PHP calculates the function execution time method, the PHP computation function executes This example describes how PHP calculates the execution time of a function. Share to everyone for your reference. Specific as follows: We can record the start and end time respectively before and after the program, the two time difference is the execution of the program.Copy

Maven project-fixed Plugin execution not covered by lifecycle configuration: org. codehaus. mojo: build-helper-maven-plugin: 1.8: add-resource (execution: add-resource, phase: generate-resources) pom. xml error, 1: pom. xml Code 2: the error message is as follows: Plugin execution not covered by lifecycle configuration: org.codehaus.mojo:build-helper-maven-pl

Analysis of SQL Server's focus on using indexes and query execution plans and SQL Execution plans Preface In the previous article "Analysis of the Impact of SQL Server focused indexes on non-clustered indexes", we talked about the impact of clustered indexes on non-clustered indexes and the performance optimization that has been emphasized by the database, in this section, we will talk about how to use inde

2. Table join(Table join) So far, we have been dealing with a single table. Let's look at the connections in the query. The following query gets the employee information and connects firstname and lastname, so that the returned information is more friendly. SELECT e.[Title], a.[City], c.[LastName] + ', ' + c.[FirstName] AS EmployeeNameFROM [HumanResources].[Employee] eJOIN [HumanResources].[EmployeeAddress] ed ON e.[EmployeeID] = ed.[EmployeeID]JOIN [Person].[Address] a ON [ed].[Ad

Let's first use a small table to explain which aspects should be paid attention to in the Oracle execution plan. Hr @ ORCL>SetAutotrace traceonly Hr @ ORCL>Select*FromT; When comparing the advantages and disadvantages of two SQL statements, we recommend that you first check the following two values: Cost (% CPU): cpu Cost. The value must be an algebraic sum. For example, 3 + 3 = 6 Consistent gets: This value usually needs to be executed severa

Java is first compiled into bytecode, and then the bytecode is finally generated by jvm for execution. Php is first compiled into an intermediate code and then handed to the zend virtual machine for execution. So what are the differences between the two in terms of compilation principles? Java is first compiled into bytecode, and then the bytecode is finally generated by jvm for

A. ExplanationProgram The so-called interpreter is a kind of high-level language translation program. It uses the source program written in the source language (such as basic) as the input, and then submits the interpreter to the computer for execution, does not form a target program.Just like "interpreting" in Foreign Language Translation, a sentence can be translated without the full text. This mode of work is very suitable for people to communi

cocos2dx Runaction, if an action is repeatedly performed with CC. Repeatforever:create,multiple action connections are performed with CC. Sequence:create, multiple actions are performed simultaneously with CC. Spawn:create. Repeat for a certain action cc. Repeatforever:create Local action = CC. Fadeout:create (3)--fade out local action = CC. Fadein:create (3)--fade into local action = CC. Rotateby:create (3.0,360)--rotate local action = cc. Scaleto:create (3,0.1)-- zoom cc. Repeatforever:create

MySql batch insert optimization SQL Execution efficiency example details, SQL Execution Efficiency Detailed description of MySql batch insert optimization SQL Execution efficiency instances The number of itemcontractprice is about 10 thousand. Five logs are inserted for each itemcontractprice. UpdateInsertSql. appendFormat ("UPDATE itemcontractprice AS p inner jo

View the Oracle Execution Plan and the oracle execution plan1. PL/SQL explain Plan window Advantages: Disadvantage: limited information2. explain_plan It is easier to optimize a sentence.3. sqlplus Run the following command in Sqlplus: Set autotrace on Select * from emp; After the data is displayed, follow the execution plan: The advantage of this s

1. Two pairs of functions// Loop Execution // after each number of milliseconds, the function is called var timeid = window.setinterval (function name, number of milliseconds); Window.clearinterval (Timeid); // timed Execution: 1 sec = = = 1000 ms // after the number of milliseconds, the function is called var timeid = window.settimeout (function name, number of milliseconds); Window.cleartimtout (Timeid);2

Recently, the js method of regular execution was used in the project. It takes a long time for setInterval and setTimeout to get rid of it. So I summarized it and wrote it down for future use. Document methods: Cyclic execution: var timeid = window. setInterval ("method name or method", "latency"); window. clearInterval (timeid ); Scheduled execution: var tmid =

Python's execution Flow:Load Memory---Lexical analysis---syntax analysis---compile---"convert bytecode----" Convert to Machine code----"Supply CPU schedulingPython's Code:1.256 representations of ASCII 2.2. UNICODE Best 16 bits represent 2 bytes3. UTF-8 can save resources by representing 8 bits in 8 digits.Notes for Python:Character ' # ': Only one line is commentedCharacter "'": Comment multiple linesTutorial parameters for Python:Using the argv para

available state. LookPHPWhich extensions are opened in the. ini file; Minit indicates "module initialization ". Each module defines a set of functions and class libraries to process other requests. A typical minit method is as follows:Php_minit_function (extension_name ){/* Initialize functions, classes etc */}Step 2 of PHP startup When a page request occurs, the SAPI layer gives control to the PHP layer. Therefore, PHP sets the environment variables required to reply to this r

Recently sent an automatic inspection of a machine to send e-mailsAll the other machines used to be sendmail.It's no problem to execute the following command directlyThis one is postfix because of the other business.Here are my scheduled tasks.0 8 * * */opt/xunjian/xunjian.sh >/opt/xunjian/xunjian;mail-s ' 22.44.55.66 ' [email protected] Ideal for manual execution, direct display of results in messages/opt/xunjian/xunjian.sh >/opt/xunjian/xunjianThe p

Crontab: scheduled task execution. Crontab: scheduled task execution. I recently came into contact with the needs of scheduled execution programs, so I learned about crontab. This article first introduces the syntax knowledge of crontab, and then makes a demo. I. crontab syntax 1. Basic crontab format {Minute} {hour} {day-of-month} {day-of-week} {full-path-to-she

Method for stopping thread execution in Java, Java thread execution MethodThe method used to stop thread execution in Java is chszs, which must be noted for reprinting. Blog homepage: http://blog.csdn.net/chszsone-Stop Theory In Java programming, there are several methods to pause or stop the currently running thread. Thread. Sleep () is the most correct method f

Oracle Partition Table execution plan, oracle execution plan Partition tables have many advantages: they are big, small, and small. With parallel use, loap can often improve the performance by dozens or even hundreds of times. Of course, poor table design can also be counterproductive, and the effect is worse than that of normal tables. To better use a partitioned table, let's take a look at the

Detailed analysis of SQL Execution steps and SQL Execution steps Detailed analysis of SQL Execution steps First, let's look at the sequence of statements executed. (8)select (9)distinct A (1)from Ta (3)join Tb (2)on XXX (4)where XXX (5)group by XXX (6)with {cube|roll up} (7)having XXX (10)order by XXX (11)limit XXX Next, let's take a look at the specific analysi