python scripting interview questions

using parallelism in Core Data is that each NSManagedObjectContext must be accessed only from the process in which it was created . What is the difference between POST and GET for HTTP?The request for a get type is idempotent according to the HTTP protocol, while the POST request has side effects, that is, get is used to get some resources, and post is used to change some resources, which may create new resources or update existing resources.A POST request is more secure than a GET reques

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, Command) is a computer-specific Command, Script is a collection of com

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

The following questions are my interview questions collected from the internet. I wrote my own answers and asked you to correct any mistakes. 1. What are the differences between property and attribute in C #? What are their respective uses? What are the advantages of this mechanism?Property usageGet/set method. It is mainly used for data interaction between class

front end "proxy mode" Ajax cross-domain issues can be consulted: 1190000012469713 Ajax solves browser caching problems? Ajax solves browser caching problems? 1. Add Anyajaxobj.setrequestheader ("If-modified-since", "0") to Ajax before sending the request. 2. Add Anyajaxobj.setrequestheader ("Cache-control", "No-cache") to Ajax before sending the request. 3, add a random number after the URL: "fresh=" + math.random ();. 4. Add a timestamp a

reference from the asyncio module, and then throw the coroutine to be executed into eventloop for execution, so that asynchronous Io is realized. 33. Briefly describe the functions and application scenarios of the gevent module.When a greenlet encounters an I/O operation, such as accessing the network, it will automatically switch to another greenlet. After the I/O operation is completed, it will switch back to continue execution when appropriate. Since Io operations are very time-consuming, th

Evans Data released the script language survey results. In the minds of more than 500 developers and IT experts, PHP, Ruby, and Python are their favorite languages. Over time, the application of scripting languages in enterprises has also changed. This survey lists the advantages and disadvantages of each language. Richard dice (Chairman of the Perl Foundation) said in a recent

Share several questions about python and several questions about python. This article mainly introduces several python interview questions recently encountered during the

) (int) 1 p0001 2007-2-8 8960 2 p0002 2007-2-8 5812 3 p0003 2007-2-8 8753 4 p0004 2007-2-8 8753 5 p0005 2007-2-8 9846 6 p0003 2007-2-9 4568 7 p0002 2007-2-9 2456 8 P0005 2007-2-9 9854Question 1, (5 points) write a newspaper with an SQL statement that averages more than 5200 sales by newspaper type?For:Question 2, (5 points) Use the SQL statement to write out the top three newspapers for the February 8, 2007 sale. If the third place has n, it should be queried.Fo

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

client. The expression is defined between the two tags, 9. What does the implied object mean? What are the hidden objects?JSP implied objects are some Java objects in the page, and the JSP container allows these Java objects to be used by developers. Developers can use them directly without a clear statement. JSP implicit objects are also called predefined variables. The following lists the implied objects in the JSP page:ApplicationPageRequestResponseSessionexceptionOutConfigPageContext

nested, must have root element, all XHTML elements must be nested within the root element5, to the Web standardization (or site reconstruction) know what the relevant knowledge, briefly describe a few of the Web standards you know?　　Web standardization is divided into structural standardization, performance standardization, behavior standardization. The structure standard language has XHTML and XML, the performance standard language CSS, the behavior standard language w3c,ecmscriptWeb standardi

data sent by the listener does not need to decrypt to see the content. How do you virtualize a Linux physical machine? Tell me some weird linux commands. Explains how HTTPS works. http://blog.csdn.net/sean_cd/article/details/6966130How HTTPS works Do you know Tor browser? Explain how it works. How do I trigger a forced system check the next time I start the machine? What backup technology do you like? Master-slave replication tape drive scri