lua static code analysis

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From the source code analysis java Collection [HashMap], the source code javahashmap

From the source code analysis java Collection [HashMap], the source code javahashmap As we know, Map stores key-value pairs. Its basic unit is to implement Node static class Node You can see its function by looking at the definition. It stores an object next to the next node. Therefore, we can probably think of its s

[Source code] Set set source code analysis

Note: The following source code is based on jdk1.7.0 _ 11 The Set set is actually an encapsulation of the map set. The map set stores key-value pairs, So we hide the values and do not expose them to the outside world. This forms the Set set.Corresponding to two very important implementations of the map set hashmap (based on the hash table), treemap (based on the red and black trees), the Set set also corresponds to two classes of hashset and treeset

Java-language perfect data code analysis, java-language solution code

converted to: (the code is incorrect. I have used it) Found? 2 and 7 are obtained by means of decomposition. Is there a simplified process? 2.3 conclusion As long as we can find the factorization, we can use a loop to obtain the value behind the equation. Dividing the value by 2 is the true factor and the first eye of the equation, we may think of using the proportional series formula to solve the problem, however, the power operation can be used to

Spring Source code Analysis--How to read the source code

Recently, there is no substantive work, just a little time, want to learn other people's code. Also saw a bit of source code, is a bit of reading experience, so determined to see the spring of this large-scale project source code, learn its design ideas. Hand code is not easy, reproduced please specify: Xingoo

11 Visual Studio Code Performance analysis Tools

Performance optimization in software development is a very important issue for programmers . A small problem can become a bottleneck for a large system. But it is very difficult for programmers to optimize their code by themselves. Fortunately, there are some great tools that can help programmers with code analysis and performance testing, making it much easier f

11 Visual Studio Code performance analysis Tools

powerful GPU debugging, CPU and GPU code analysis, and static OPENCL kernel performance analysis and other capabilities.AMD provides a stand-alone CODEXL analysis tool that supports Windows 7, Windows 8, and Linux systems. There is also an extended version of AMD Codexl on

Hive principle and source code analysis-hive Source code architecture and theory (i.)

Data log.info ("completed getting MetaData in Semantic analysis"); Operator Sinkop = Genplan (QB);//The QB is generated dag ... Slightly........ Parsecontext pCtx = new Parsecontext (conf, QB, Child, Optopartpruner, Optopartlist, Topops, Topselops, Opparsectx, Joincontext, Toptotable, Loadtablework, Loadfilework, CTX, Idtotablenamemap, Desttableid, Uctx, ListMapJo Inopsnoreducer, Groupoptoinputtables, Prunedpartitions, Optosamplepruner);

Lua1.0 code analysis hash. c

(r)==T_NIL){firstnode(a,0);return;}else{inth=head(a,r);if(h>=0){Node*n=list(a,h);while(n){if(memcmp(n->ref,r,sizeof(Object))==0){if(n->next==NULL){firstnode(a,h+1);return;}elseif(tag(n->next->val)!=T_NIL){lua_pushobject(n->next->ref);lua_pushobject(n->next->val);return;}else{Node*next=n->next->next;while(next!=NULLtag(next->val)==T_NIL)next=next->next;if(next==NULL){firstnode(a,h+1);return;}else{lua_pushobject(next->ref);lua_pushobject(next->val);}return;}}n=n->next;}if(n==NULL)lua_error("errori

Intermediary mode analysis, structure diagram and basic code, mediation structure diagram code

Intermediary mode analysis, structure diagram and basic code, mediation structure diagram codeZookeeper Definition: a mediation object is used to encapsulate a series of object interactions. The intermediary makes the objects do not need to be explicitly referenced to each other, so that the coupling is loose and the interaction between them can be changed independently.Applicability: The intermediary mode

MVC source code analysis, mvc source code

MVC source code analysis, mvc source code As shown in the previous article, there are four filters for program execution: Filter Type Interface Description Authorization IAuthorizationFilter This type (or filter) is used to restrict a behavior method to the Controller or controller. Exception IExceptionFilter Specifies

jquery Source Code Analysis-03 constructs jquery objects-source code structure and core functions

= JQuery.fn.extend =function() {}; //extending the static method on jqueryJquery.extend ({//Ready Bindready //Isplainobject Isemptyobject //Parsejson Parsexml //Globaleval //Each makearray inArray merge grep map //Proxy //Access //Uamatch //Sub //Browser }); //here, the jquery object is constructed, and the code

What's the use of the generated code for the new Android code analysis?

. onoptionsitemselected (item); + } - $ /** $ * A placeholder fragment containing a simple view. - *//* This is called in the above placeholder fragment? What the hell, it's like adding multiple fragment to fit the tablet's multi-block display, improving the user experience, and displaying it in a terminal such as a phone. */ - Public Static classPlaceholderfragmentextendsFragment { the - Publicplaceholderfragment () {Wuyi

AsyncTask source code analysis, asynctask source code

AsyncTask source code analysis, asynctask source codeFor the usage of AsyncTask, see the previous blog "AsyncTask resumable upload". This article only parses the source code of AsyncTask. AsyncTask.exe cute method: 1 public final AsyncTaskThe executeOnexecute method is called directly in the execute method. AsyncTask.exe cuteOnexecute method: 1 public fi

JQuery. Data source code and jquery source code analysis

JQuery. Data source code and jquery source code analysis JQuery. data is the data cache system of jQuery. It is mainly used to add data for common objects or DOM elements.1. Internal Storage Principle This principle is very simple. The data originally to be added to the DOM element is now centrally stored in the cache set. They are linked by a number key starti

. NET Visual Studio Code Performance Analysis Tool _ Practical Tips

powerful GPU debugging, CPU and GPU code analysis, and static OPENCL kernel performance analysis capabilities. AMD provides stand-alone version CODEXL analysis tools that support Windows 7, Windows 8, and Linux systems. An expanded version of AMD Codexl is also available o

ArrayList construction method source code analysis, arraylist construction source code

ArrayList construction method source code analysis, arraylist construction source code First, let's take a look at the construction method without parameters:   private static final Object[] DEFAULTCAPACITY_EMPTY_ELEMENTDATA = {};  transient Object[] elementData;  public ArrayList() { this.elementData = DEFAULTC

String source code analysis, string source code

String source code analysis, string source code The String class maintains a char [] type value to store strings. The source code is relatively simpler.1. Immutable The immutability of String is mainly reflected in three aspects: The String class is defined as the final type and cannot be inherited. Value [] In Stri

Redis Source Code Analysis (23)---CRC cyclic redundancy algorithm and Rand random number algorithm

compliant; /* Crc64 cyclic redundancy algorithm, crc: base value 0, s: incoming content, l: content length */ Uint64_t crc64(uint64_t crc, const unsigned char *s, uint64_t l) { Uint64_t j; For (j = 0; j Redis built-in examples, /* Test main */ /* Tested code */ #ifdef TEST_MAIN #include Perform redundant operations on strings 1 through 9. The following is the principle of the implementation of random algo

MVC source code analysis, mvc source code

MVC source code analysis, mvc source code Next, let's take a look at the error processing filter. Before reading this section, let's take a look at the functions provided by MVC. I. built-in functions of MVC 1. configuration method The mode is Off by default, indicating that the detailed error message is directly displayed on the page. If it is On, no detailed e

Tomcat source code analysis-overall container structure, overall tomcat source code container

Tomcat source code analysis-overall container structure, overall tomcat source code container Tomcat is composed of multiple containers, and the Container and Connecter connector are the two core modules of Tomcat. The Connecter connector receives client requests, then, it passes the request from the client to the Container for processing and responds accordingly

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