ruby developer interview questions

, not as binary floating-point numbers, so that the decimal precision of those values is saved. One character is used for each digit of the value, the decimal point (if scale>0), and the "-" symbol (for negative values). If scale is 0,decimal and the numeric value does not contain a decimal point or fractional part. Decimal and numeric are worth the largest range as a double, but for a given decimal or numeric column, the actual range can be limited by the precision or scale of the given

object. Conversely, when Getfullname () is assigned to the test variable, the context refers to the Global Object (window). This is because test is a property that is implicitly set to the global object. For this reason, the function returns the FullName of the window, that is, the value defined in the first row. Question 5:call () and apply ()Now let you solve the previous problem and make the final Console.log () print Aurelio De Rosa. Answer The problem can change the function context by fo

hog".split("").reverse().join(""); Answer: "Goh angasal A m' I" Question: What is the valuewindow.foo? ( window.foo || ( window.foo = "bar" ) ); Answer: "bar"(Only ifwindow.fooWas falsey otherwise it will retain its value) Question: What is the outcome of the two alerts below? var foo = "Hello"; (function() { var bar = " World"; alert(foo + bar); })(); alert(foo + bar); Answer: "Hello World" referenceerror: bar is not defined Question: What is the valuefoo.length? var foo = [];foo.push(1);foo.

Android Development (+)Copyright NOTICE: This article for the Dream-finddreams original article, please pay attention to: Http://blog.csdn.net/finddreamsFollow Finddreams Blog: http://blog.csdn.net/finddreams/article/details/44301359In the previous article we have learned some basic questions about the Android written test,[Android Development interview by--2. Common Android Basic pen

Junior SQL Server developer interview questions Written by: Jeremy kadlec From: Http://www.mssqltips.com/tip.asp? Tip = 1644 ProblemWe are in the process of trying to hireJunior SQL Server developer to work on a few of our projects. WhatExpectations shocould we have on their skill set? What are some fairQuestions to

Software Test interview questions (partial collection) 01. Why should I perform software testing in a team? Because it is difficult for a software without tests to know the quality of the software before release, just like ISO quality certification, testing also requires quality assurance, in this case, you need to perform software testing in the team. Discover problems in the software during the testing pr

are they good? Explain how postbacks work, on both the client-side and server-side. How do I chain my own Javascript into the client side without losing PostBack functionality? How does viewstate work and why is it either useful or edevil? What is the OO relationship between An ASPX page and Its CS/VB code behind file in ASP. NET 1.1? In 2.0? What happens from the point an HTTP request is already ed on a TCP/IP Port up until the page fires the on_load event? How does IIS communica

I don't think I can use a deep Algorithm for Baidu interview questions, but I have a flexible idea. I have already posted the source code of five solutions on the front. I thought I could end up here, today, another student said a strange idea but a method that fits the meaning of the question .. Please refer to the comments on the Baidu developer

and John Doe. The reason is that in a function, the behavior of this depends on how the JavaScript function is called and how it is defined, not just how it is defined.In the first console.log () call, Getfullname () is called as a function of the Obj.prop object. So, the context refers to the latter, and the function returns the FullName of the object. Conversely, when Getfullname () is assigned to the test variable, the context refers to the Global Object (window). This is because test is a p

IntroductionLooking for a python development job? Then you'll probably have to prove that you know how to use Python. The following questions relate to many of the skills associated with Python, and the focus is on the language itself, not on a particular package or module. Each problem can be expanded into a tutorial, if possible. Some issues may even involve multiple areas.I haven't had any questions as d

Understanding and practicing answering a few difficult questions before the interview will help you prepare for answering other questions. There are many questions, but some are few, but they are the basis for answering other questions. 1. Why not talk about yourself? Analys

Understanding and practicing answering a few difficult questions before the interview will help you prepare for answering other questions. There are many questions, but some are few, but they are the basis for answering other questions. 1. Why not talk about yourself? Anal

with the Python language becoming more and more popular in recent years, more and more people choose the Python language as their career direction. How to get good results in the right company's interview, and finally successfully get an offer is every Python developer to be careful of things, the following is the author of the Python programmer in the interview