python numpy interview questions

This article will bring about 11 basic Linux interview questions, hoping to help friends who are about to change jobs or looking for relevant work. Q.1: What is the core of the Linux operating system? Shell Kernel Command Script Terminal A: Kernel is the core of the Linux operating system. Shell is a Command line interpreter. A Command is a computer-specific Command. A Script is a collection of comma

. Blocking/non-blocking differences, event loop Select/poll/epoll, how common network library Read/write will be implemented (refer to Muduo). The interviewer will ask if the client needs to bind;tcp/udp the nuances of protocol programming ...5. Tool-related. vim/makefile/gdb/g++ ...6. C + + related. It is unavoidable to ask virtual functions; Common STL implementations and operations; What is extern c doing?7. Script-related. Shell/perl/python at lea

between $* and [email protected] $*– output all parameters passed to the script as a string [Email protected]– to list all parameters passed to the script in $IFS delimiter 63) How do I define an array in bash?array= ("Hi" "My" "Name" "is")64) How do I print the first element of an array?Echo ${array[0]}65) How do I print all the elements of an array?Echo ${array[@]}66) How do I output all the array indexes?Echo ${!array[@]}67) How do I move an element with an index of 2 in th

Web Service Interview Questions and answers What is a Web service? Define people and companies have debated the exact definition of Web Services. at a minimum, however, a Web Service is any piece of software that makes itself available over the Internet and uses a standardized XML messaging system.XML is used to encode all communications to a web service. for example, a client invokes a web service by sen

coder, without the best time and architecture ideas. The interview should focus on 1. performance scalability of large projects and development scalability 2. solution to complex problems 3. methods for controlling code quality, etc. If you are a senior technical employee, you should not force yourself to take an interview with a non-technical employee. if you are a candidate, you must feel that you are n

Original source: http://www.cnblogs.com/Lands-ljk/p/5836492.htmlStarting from the end of August to find a job, a short week more, interviewed 9 companies, to get 5 offer, probably because I interviewed the company are some entrepreneurial companies, but still feel a lot, because the time to learn Python is very short, did not expect to find a relatively easy job, I would like to share with you the interview

Questions and answers about Python ProgrammingQ A introduction to Python Programming About a month ago, oschina.net and Chapter Hua jointly held an activity: OSC 51st master Q A-talk about those things in python to promote the book I wrote: Writing high-quality code: 91 suggestions for improving

(the hook to cast), Hangzhou NetEase (schoolmate pushes). Interview this round down, the biggest feeling on one: usually must adhere to the code point every day. Even if the project is rotten, also insist on uploading GitHub. Really, as long as you can adhere to more than 5 days a week can continue to upload git, six months down, the interviewer absolutely impressed you. Other feelings: Different companies focus on the same, but really as this blog b

lookups and implement any three of them by code. Please list the design patterns you are familiar with? Have you ever brushed a leetcode? List the familiar Linux commands. What is the system on the company's online server? Explain the meaning of PV, UV? Explain the meaning of the QPS? The difference between Uwsgi and Wsgi? The role of supervisor? What is a reverse proxy? Describe the entire process of SSH. Any questions, go to t

design patterns you are familiar with? Have you ever brushed a leetcode? List the familiar Linux commands. What is the system on the company's online server? Explain the meaning of PV, UV? Explain the meaning of the QPS? The difference between Uwsgi and Wsgi? The role of supervisor? What is a reverse proxy? Describe the entire process of SSH. Any questions, go to those solutions? Is there a public number that focuses on what tec

pigeons, 10:06 phone still came. According to the general, first confirmed that the next is not my own after the tell.Then simply asked what my current company is doing, and then why to job-hopping. I answered two: the first is the embedded industry has been on the decline, the second is compared to the embedded itself more like the internet industry, and graduated when the choice of embedded is also because it is not clear what they really like, just professional communication engineering, wit

I have been engaged in Python development for many years, proficient in reptiles, the web, familiar with other directions, a lot of small partners private chat I said, I read your article, I studied, but for the project this piece is not very familiar with, how to quickly master a few small projects, as well as several can interview the project. Please subscribe to the public number:python from program ape

Some questions and answers about Python programmingAbout 1 months ago, Oschina.net and the book worked together to do an event: OSC 51st expert Quiz-talk about Python, to promote my participation in the book "Writing High-quality code: Improve the Python program 91 Recommendations" (watercress link). In the course of a

Python can be used in many ways as a common language:Web Application Development : Server-side programming, with a rich web development framework, such as Django and TurboGears, to quickly complete a Web site development and Web services. Typical such as the domestic watercress, shell nets, such as Google, Dropbox, etc.; System network Operation : operation and maintenance work, there are a lot of repetitive work place, and need to do the management s

BasisThe floating-point number is represented by the machine's double-precision (a-bit) of the floating-point number. provides approximately 17 bits of precision and ranges from 308 to 308 of the exponent. Same as the double type in the C language. Python does not support a single-precision floating-point number of 32bit. If your program requires precise control over intervals and digital precision, consider using the

Python interview question Summary I think the interview questions can quickly improve my skills 1. How does Python perform memory management? Python memory management has three main mechanisms: reference counting mechanism, garb

difference?Three. StorageStorage may contain rdbms,nosql as well as cache, etc., I use Mysql,redis for exampleMySQL Related1. Talk about MySQL character set and collation?What is the difference between 2.varchar and char? Size limit? The maximum number of characters that varchar can save in a UTF8 character setWhat is the difference between 3.primary key and unique?4. What is the use of foreign keys? Must the foreign key be indexed?What is the difference between 5.myisam and InnoDB? What is the

We will meet a variety of interviews, some even the HR specifically for you to set the barrier, in the Python interview is also, whether you are candidates for Python web development, crawler engineers, or data analysis, or automated operations, these Python interview basic

): print ' C2-bar ' class D (C1,C2): PASSD = d () D.foo () D.bar () print "MRO:", [x.__name__ for X in d.__mro__]# RESULTP1-FOOC2-BARMRO: [' d ', ' C1 ', ' C2 ', ' P1 ', ' P2 ', ' object ']As mentioned above, we get different results.When instance D calls Foo (), the search order is d = C1 = C2 = P1When instance D calls bar (), the search order is d = = C1 = C2As you can see, the search method for the new class is to look for attributes in a "breadth-first" way.We can use the __mro__ property to

Write in frontRecently coincides with the students near graduation, the late course everyone "expect + bitter force" moment is every morning content review and question and Answer section "near the graduation every day before class with 40-60 minutes before the content review, questions and supplements, specifically selected classes do not love to talk about the students answer."Look forward to the success of their own learning can be tested, the bitt