iq questions with answers

First step: Find all files in the/oldboy directory and its subdirectories that end with the extension. shFind all Files:[Email protected] oldboy]# find/oldboy/-type f/oldboy/t.sh/oldboy/test.sh/oldboy/test/del.sh/oldboy/alex.txt/ Oldboy/oldboy.txtFind all files ending with. sh[Email protected] oldboy]# find/oldboy/-type f-name "*.sh"/oldboy/t.sh/oldboy/test.sh/oldboy/test/del.sh13.2 Step Two: How to replace the Oldboy in a file with the Oldgirl[[email protected] oldboy]# #sed ' s# What you're l

Wireless networks are becoming increasingly popular, and we can build a small wireless network at home, which inevitably reveals some problems. So let's take a look at some of the home wireless WLAN technology to help you with the answers to the questions. Home Wireless WLAN technology Qamp;a 1.WLAN=GPRS? once had a lot of friends asked, equipped with wireless network card notebook computer in connectio

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 permanently ful

selector: directly based on the ID, CSS class name, element name to return the matching DOM elements. 2, hierarchical selector: Also known as the path selector, you can select the corresponding DOM element according to the path hierarchy. 3. Filter selector: Filter the relevant conditions on the previous basis to get the matching DOM elements. Question: Use jquery to set all the element borders on the page to a 2px wide dashed line? Answer: This is the time for the jquery selector to play, the

conserve bandwidth and the stability of script references, we use jquery files on the CDN, such as Google's jquery CDN service. However, if the jquery service on these cdns is not available, we can also switch to the jquery version of the local server by using the following code:HTML code --------------------------------------------------I'm a split line-------------------------------------------------------------- 6, how to use jquery implementation Click Button Pop up a dialog box?Answer: The

. Combining these two technologies with SVM is one of the reasons why SVM classifier is simple and powerful.Problem description A Gaussian core is usedTraining SVM (Support Vector machine), the test proves that if there are no two points in the same position in a given training set, there is a set of parameters {α1, ... αm, b} and parameter gamma make the SVM training error of 0. If we use the parameter gamma in question 1 to train a SVM that does not join the relaxation variable, w

load Java extension libraries. The implementation of the Java virtual machine provides an extension library directory. The class loader finds and loads Java classes in this directory.3. Systems Class Loader (System class loader): It loads Java classes based on the Java application's Classpath (CLASSPATH). In general, Java-applied classes are loaded by it. It can be obtained by Classloader.getsystemclassloader ().4. User-defined ClassLoader, implemented by inheriting the Java.lang.ClassLoader cl

amount of the month, Debitoccur: The amount of the occurrence.Database name: Jcyaudit, Data set: Select * from TestDBAnswer: Select A.*From TestDB A, (select Occmonth,max (debitoccur) debit101ccur from TestDB where accid= ' 101 ' GROUP by Occmonth) bwhere A.occmonth=b.occmonth and A.debitoccur>b.debit101ccur************************************************************************************Interview question: How to put such a tableYear Month amount1991 1 1.11991 2 1.21991 3 1.31991 4 1.41992 1

NULL5 8 NULLNULL NULL 9------------------------------------------1)Select a. department name Dname,b. Performance YJ as ' January ', c. Performance YJ as ' February ', d. performance YJ as ' March 'From table1 a,table2 b,table2 c,table2 DWhere a. DEP Department = B. DEP department and b. Month Mon = ' January ' andA. Department dep = c. DEP department and c. Month Mon = ' February ' andA. Department dep = D. Department DEP and d. Month Mon = ' March ' and2)Select A.DEP,SUM (case if B.mon=1 then

is very likely that there will be multiple lines of text in the actual edits at this point we use the command to display the line number so that we can better edit the text.Specific description of the general mode of deletion, copy and paste?A: Previously deleted one character and deleted one character backwards: x,xDelete cursor Line: DDDelete cursor down n rows: nddCopy cursor line: yyCopy cursor down n line: NyyPaste from the next row and previous line on the lines: P and PHow do I enter edi

pipeline to achieve this need.[email protected] ~]# Cat File_name.txt | More8. Q: Which user does the data dictionary belong to?A: The data dictionary belongs to the ' sys ' user, and the user ' sys ' and ' Sysem ' are automatically created by default by the system.9. Q: How do I view a summary and usage of a Linux command?Suppose you accidentally see a command in the/bin directory that you've never seen before, how do you know how it works and how it's used?A: Using the command Whatis can show

: This article mainly introduces the Programmer Interview: the top 42 questions and answers in the telephone interview (I). If you are interested in the PHP Tutorial, please refer to it. This year is July 2015. in the past few years, electronic Interview (Telephone interview) is the most popular way to screen candidates for programmer positions. It makes it easy for both employers to understand each other.

Below is a list of 125 basic C # interview questions. These interview questions are simple and straightforward, covering the most basic concepts of C #, mostly related to object-oriented concepts. So if you're preparing a C # interview, I suggest you have to master these 125 basic C # interview questions to review your C # concept. So let's take a look at these 1

Microsoft interview 100 questions V0.1 42nd questions merged linked list answers July, netizen January 2, 2011 ------------------------------------ This article reference: I have compiled Microsoft interview 100 series V0.1 42nd Questions and Replies from netizens.I declare that I am entitled to copyright to any mat

　　 In the process of contact with the SEO, everyone will encounter a lot of such or such problems, wood-wood seo in order to let everyone more clear and convenient to understand these common SEO problems, these are often asked to the site SEO optimization questions and answers summed up, a total of 100, the front has written 6, the article reflects a good effect, Everyone likes it very much. Here is n

many benefits of saving server bandwidth and faster download speed, the most important thing is that if the browser has downloaded the same version of JQuery from the same CDN, it will not download it again. So today, many public websites use jquery for user interaction and animation, and if the browser already has a downloadable jquery library, the site has a great opportunity to showcase it.What is the difference between the Jquery.get () and the Jquery.ajax () methods?The Ajax () method is m

Answers to 16 typical interview questions During the interview, the interviewer will ask the applicant, and the applicant's answer will become an important basis for the interviewer to consider whether to accept him. It is vital for candidates to understand the "tricky" behind these issues. This article sorts out some typical questions that often occur during int

51cto college specially sorted out "the questions and answers simulated by the information technology processor of the 2014 soft exam in the soft exam preparation season" to help schools pass through the examination smoothly! For more software proficiency test counseling and questions, please pay attention to the 51cto college-soft exam classification! View sum

51cto college specially sorted out "the questions and answers simulated by the information technology processor of the 2014 soft exam in the soft exam preparation season" to help schools pass through the examination smoothly! For more software proficiency test counseling and questions, please pay attention to the 51cto college-soft exam classification! View sum

51cto college specially sorted out "the questions and answers simulated by the information technology processor of the 2014 soft exam in the soft exam preparation season" to help schools pass through the examination smoothly! For more software proficiency test counseling and questions, please pay attention to the 51cto college-soft exam classification! View sum