empress of deep 2

Docker deep 2-linux configuration file Daemon.json Use example2016/12/9First, the status quo 1, the default does not have this configuration file, manually create one. 2. The operations we are currently using are in the section "Docker in-depth 2-storage-driven use Devicemapper (DIRECT-LVM) mode", Here's how we do it:-

char d behind a struct. I estimate that sizeof (struct X) would be 16. Because, suppose you get a structure with a length of 13 bytes, seemingly not a very effective length. However, if you add char D to the back of Char B, then 12 will be a more reasonable answer.You: Why does the compiler not rearrange the order of the data in the struct. In order to better optimize memory usage and execution speed?Candidate: There are some languages that have done this, but C + + has not done so.You: Suppose

"Project 1-Deep copy Experience" (2)(2) What happens if you remove the line where the comment (a) is located? Why? Why does a data member occupy 1 of the storage space on a AA length basis? If pointer A is not a pointer to a character (that is, an address that is not a string), is it necessary to add 1?After removing:Because there is no space for a, the A pointer

Webshell Security Detection (2)-deep into the user's heart1. What is WEBSHELL? What does it mean? What is Webshell from different perspectives?Programmer: an executable web script file. It means a script. Hacker: something that can be used to control the website. Meaning: the website has been fixed. Try to hide your identity and avoid further damages. User (webmaster): When Webshell is found, it is troubles

benefits of HTTP: When considering the compatibility of existing architectures, WebSockets is often a pain point because upgrading HTTP connects to a protocol that is completely unrelated to HTTP. Scalability and Security: network components (firewalls, intrusion detection, load balancers) are built, maintained and configured for HTTP, and large/important programs prefer resilient, secure, and scalable environments. Similarly, you have to consider browser compatibility. View t

useless without a good explanation. The most obvious example is Starcraft 1 and Warcraft 3. Although Starcraft 1 has a good plot, however, it is not expressive enough because it mainly uses the text and sound methods, while Warcraft 3 is added to the real-time generated CG and role development mechanisms, with the help of the user's understanding and investment in the story, the RTS game can finally compete with the RPG Game, and make the player feel like ardsas, or Illidan, this not only makes

is to balance the step, that is, to move a pair of words to the axisymmetric (such as grandmother and grandfather is not about the axis symmetry, so grandmother and the babysister distance after the step closer), as shown in(5) One point is that, for gender, there are very few words with a clear gender of one by one, and a two classifier is used to determine whether a word has a definite gender, and then all other words can be dealt with in the above steps with the explicit gender of these word

Steve Clayton released an article about the Silverlight 2 demoArticleOne technology called Deep Zoom is now deployed at http://memorabilia.hardrock.com /. Deep zoom allows users to smoothly and seamlessly scale images, and this technology was first demonstrated by Ray Ozzie at mix 07. In addition, the mix online website has a video. Now Microsoft has launched Si

Reference: http://qianduanblog.com/post/js-learning-30-object-clone-copy.htmlbase data type: Boolean/number/stringvar a= ' a '; var b;b=a;b= ' B '; Console.log (a); Console.log (b);Cloning of a basic data type is a direct clone of an object, both of which are worth passing, and are not linked after cloningReference data type: Array/object/functionCloning of arraysvar a = [1,2];var b;b = a;b[2] = 3;console.log (a); {A-i}　　This normal clone can see t

In-depth understanding of C pointer 2: C memory management, deep understanding of Memory Management 　　Memory ManagementIt is important for all programs. Sometimes the memory is implicitly managed by the runtime system, such as automatically allocating memory for variables. In this case, the variable is allocated to the stack frame of the function in which it is located (each function has its own stack frame

Php deep learning Note 2 (built-in function) 1. call _? User _? Func _? Array calls a user-defined function. The first parameter is the function name, The second parameter is that the function parameter must be an index array. Function foobar ($ arg, $ arg2) {echo _ FUNCTION __, "got $ arg and $ arg2 \ n";} class foo {function bar ($ arg, $ arg2) {echo _ METHOD __, "got $ arg and $ arg2 \ n" ;}}// call

In-depth understanding of webkit kernel Series 2: Deep parsing of JavaScript Engine, webkitjavascript The article [WebKit] JavaScriptCore parsing-basics (iii) from script code to JIT compiled code implementation written by HorkeyChen is well written and deeply inspired. I want to add some details not written by the Horkey, such as how the bytecode is generated. In fact, JSC's JavaScript processing is simil

Deep understanding of Java Virtual Machine Reading Notes (2) Creation of HotSpot Java objects, memory layout and access methods, javahotspot In-Memory Object creation, object structure, and access method.I. Object Creation At the language level, object creation is just a new Keyword. What is the process in a virtual machine? (1) determine whether a class is loaded. When the VM encounters a new command, it f

A.C is compiled into the target file, the compiler does not know the address of shared and swap, so the compiler temporarily considers 0 as the shared address, and about the FC FF FF FF is the offset of the called function relative to the next instruction of the calling instruction, which is just a temporary fake address, is the complement form of the constant-4.Now let's take a look at the results after the link:We found that, from the link results,Original 11 linesOriginal 20 linesTheir addre

same resource. So as to achieve the purpose of fast download. At present, the popular flashget and thunder are basically the principle.The principle of multi-threaded download:The download tool opens multiple threads that make HTTP requests;Only one part of the resource file is requested for each HTTP request: Content-range:bytes 20000-40000/47000;Merges the files downloaded by each thread.7:httpsHTTPS (full name: Hypertext Transfer Protocol over secure Socket Layer) is a security-targeted HTTP

to object still does not return an error. Similarly, if you define a property or function in an instance that has the same name as prototype, the prototype property or function is overwritten.function person (name) { this.name=name; } Person.prototype.share=[]; var person=new person (' Byron '); person.share=0; Console.log (Person.share); 0 instead of prototype []Constructing Simple objectsOf course pr

concise enough, we can completely declare the variable when it is initialized, so that only one statement can be.New Codevariabledeclarationstatement (typeof(int"n"new CodePrimitiveExpression (98000));Such a statement is completed and the generated code is as follows:int 98000;The old week here does not introduce all the statements. This article describes these expressions and statements, mainly to help beginners friends practiced hand, in order to find the feeling, the rest of the complex stat

Deep understanding of Maven and applications (1): lifecycle and plug-ins Exam official URL: http://maven.apache.org/guides/index.html A good building system must be flexible enough to allow projects to be successfully built in different environments. To support the flexibility of building, Maven has three built-in features:Attribute, profile, and resource Filtering.1. MAVEN attributes Maven attributes are classified into six categories:1. built-in att

Week 6 Project 1-deep replication experience (2) (3), week 6 experience Problem (2) What will happen if I remove the line in which the comment (a) is located? Why? Why does the storage space occupied by a data member increase by 1 Based on the aa length? If pointer a does not point to a character (that is, it is not the address of the string), is it necessary

Go deep into the AT command (2)-Call Control Command 1 ATDDial Command dialing, ATD 2 ATAAnswer a call response. ATA responds to the call and calls are indicated by RING. If the connection is established successfully, OK is returned. If the connection fails to be established, NO CARRIER is returned. 3 ATH Disconnect existing connection releases all existing