scala interview questions and answers

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PHP interview questions and answer 1

Echo is a language structure and has no return value. The print function is basically the same as echo. The difference is that print is a function and has a return value. print_r is a recursive print, which is used to output the PHP interview questions and answer 1 of the array object. 1. use PHP to print the previous day in the format of 22:21:21 // Echo date ('Y-m-d H: I: S', time ()-60*60*24Echo date ("

Sian O & M engineer interview questions

Sian O M engineer interview questions 1. What are the functions of the following Linux commands? Init 0 Chkconfig -- level 3 sendmail on Tar-czvf test.tar.gz ./ Chown-R www: www/usr/local/apache/htdocs/ Ln-s/data2/log/var/log/sina_log/ [-D/data1/logs] mv/data1/logs/data1/logs. old Rsync 192.168.0.200: software.tar.gz. Umount/data0 Rpm-ivh sina. rpm Rpm-qf/bin/ls 2. What software does a Linux Server need t

IOS classic interview Summary-memory management, ios questions-memory management

IOS classic interview Summary-memory management, ios questions-memory managementI made a summary based on my own situation. The answer is my summary. If you have any bad answers, I hope to criticize, correct, and communicate. Thank you!Memory Management1. What is ARC?ARC is the automatic reference count of automatic reference counting, which is automatically adde

[PHP newbie Interview Questions] Really, I hate someone else for modifying my resume. Sorry ('shanghai') sorry ~!

My friend submitted my resume for me. By the way, I felt that my resume was not concise enough. I deleted several project experiences and simplified the introduction of all projects. What's worse, I changed my undergraduate school in a confused way, (-_-) B! So I started a PHP job interview with a confidence value of 0. Really, PHP has never been learned, and I naturally won't, and he, this is phper, doesn't even, ('shanghai ('﹏′) PS: all the

The Pit of C # Classic interview questions

Recently saw some simple face test, found that there are a few things wrong ah.1. In the following example usingSystem; classA { PublicA () {printfields (); } Public Virtual voidPrintfields () {}}classb:a {intx=1; inty; PublicB () {y=-1; } Public Override voidPrintfields () {Console.WriteLine ("X={0},y={1}", x, y); }}What output is generated when you use new B () to create an instance of B?The answers on the internet are: x=1,y=0

In-depth analysis of common interview questions for C ++ programmers 3

C ++ programmers apply for common interview questions in-depth analysis 3-Linux general technology-Linux technology and application information, the following is to read details. Question 5: Write a function to shift n loops of a char string to the right. For example, if "abcdefghi" is n = 2, it should be "hiabcdefgh" after the shift" The function header is as follows: // PStr is a pointer to a string end

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