cissp questions and answers

Advanced PHP face questions and partial answers See some advanced PHP interview topics on the web. Nothing to do, got some answers ... may not be very comprehensive, leave this after the spare bar. I. Basic knowledge points1.1 The meaning of several status codes in the HTTP protocol: 503 500 401 403 404 200 301 302 ...200: The request is successful and the reque

;}) jquery or programming needs to remember or say the words you need to know: System Highlight Prominentvisited accessed by active activeFocus Supplier SuppliersCost Scenic LandscapeUnit Unit Volume volumeReply Reply Weight weightIntegral complete daily dailyHotel Notices NoticePlace Places Summary summaryleave leave Select selectionOption Options Methoddomain scope prefix prefixautoload Auto-load timeout timeout settingSetInterval Set the interval letterdatatype data type definit

, which is used for medium-sized and large-scale data applications. The serial collector is sufficient for most small applications, which require about 100M of memory on modern processors.41. In Java, when can objects be garbage collected?This object can be recycled when the object becomes inaccessible to applications that currently use the object.Is there a garbage collection in the permanent generation of 42.JVM?Garbage collection does not occur in a permanent generation, and if it is permanen

applications. The serial collector is sufficient for most small applications, which require about 100M of memory on modern processors.41. In Java, when can objects be garbage collected?This object can be recycled when the object becomes inaccessible to applications that currently use the object.Is there a garbage collection in the permanent generation of 42.JVM?Garbage collection does not occur in a permanent generation, and if it is permanently full or exceeds the threshold, a full GC is trigg

, the next () method of the iterator throws a Concurrentmodificationexception exception.Concurrent containers support concurrent traversal and concurrent updates.The main classes are Concurrenthashmap, copyonwritearraylist and Copyonwritearrayset, read this article to understand How to avoid concurrentmodificationexception.8. What is the Executors class?Executors provides some tool methods for the Executor,executorservice,scheduledexecutorservice,threadfactory and callable classes.Executors can

Beg for the answers to these 10 questions! All participants are rewarded! The 10 are clearly stated at least 90 points ...... (This is sincere !) Uncle comeonAV8D! (It's really hard to pass a broken picture) back to the truth. this is a Post posted by someone else, but I really want to know the answer to these questions (the clearer the better), so I am sending i

Linux is vast, so that people can always submit different content each time. Our work of The-Tecmint-Team is to provide some unique content for our readers, which is not only useful for their career, but also increases their knowledge. Here, we will try this label: interview Linux is vast, so that people can always submit different content each time. Our "The-Tecmint-Team" job is to provide some unique content for our readers, which is not only useful for their career, but also increases their k

Php interview questions and answers $ Img = file_get_contents ('http: // www.baidu.com/img/baidu_logo.gif '); File_put_contents('1.gif ', $ img ); Echo ''; ?> 3, Function is_gfriend ($ na, $ nb) { $ Random1 = rand (1/5); // calculate their fate $ Random2 = rand (1, 5 ); If ($ random1 ==$ random2) Retu

keep the original base implementation. We can just inherit from it and rewrite the methods we need. Read the Java futuretask example to learn how to use it.7. What is the implementation of concurrent containers?Java collection classes are fast failures, which means that when a collection is changed and a thread iterates through the collection using Iterators, the next () method of the iterator throws a Concurrentmodificationexception exception.Concurrent containers support concurrent traversal

solves this problem for us. After the online pool submits the callable task, a future object is returned, using which we can know the status of the callable task and get the result of the execution callable returned. The future provides a get () method so that we can wait for callable to end and get its execution results.Read this article to learn more about the callable,future example. 6. What is Futuretask?Futuretask is a fundamental implementation of the future, and we can use it with execut

Answers to questions about python Regular Expressions and python Regular Expressions Three questions about python Regular Expressions: 1. Remove tags from the following html files and only display text information. Use the sub method in the python Regular Expression re module to replace the tag with an empty string. The Code is as follows: #-*-Coding: UTF-8-*-i

questions equal to the opening, often is the beginning of a series of questions, so be sure to truthfully according to their own circumstances to answer.1 What are the advantages of using block and using delegate to complete the delegation mode?The first thing to understand is the delegate mode, which is used extensively in iOS, which is an object adapter in the adapter pattern in design mode, and OBJECTIV

need. Read the Java futuretask example to learn how to use it.7. What is the implementation of concurrent containers?Java collection classes are fast failures, which means that when a collection is changed and a thread iterates through the collection using Iterators, the next () method of the iterator throws a Concurrentmodificationexception exception.Concurrent containers support concurrent traversal and concurrent updates.The main classes are Concurrenthashmap, copyonwritearraylist and Copyon

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= "Aaaabbbccccddfgh"; var obj = {};for (var i=0;i10, write a function, clear the string before and after the space. (compatible with all browsers)function Trim (str) {if (str typeof str = = = = = = "string") {return str.replace (/(^\s*) | ( \s*) $/g, ""); Remove front and back blank characters}}other1. What is the process of a complete HTTP transaction? Basic Flow:A. Domain Name resolutionB. 3-time handshake to initiate TCPC. Initiating an HTTP request after establishing a TCP connectionD. ser

: localstorage for persistent local storage, data never expires, and browser shutdown is not lost. Sessionstorage pages in the same session can be accessed and the data is destroyed when the session ends. So sessionstorage is not a persistent local store, it's just session-level storage7. What are the new form elements in HTML5?HTML5 has added a number of form elements that allow developers to build better Web applications. DataList datetime output keygen date month Week time color number range