shopify internship

January 9, 2018, the second day of internship, today mainly includes two partsThe first part is the study and installation of zookeeper Zookeeper Download Address: http://zookeeper.apache.org/releases.htmlOpen the link page below, click Download can download newer version, also can click Archive Download historical version Click Download after the page below, the first link is the recommended download image Click on the recommended link to download th

Summary of the first week of internship, the first week of internship After a week of practice, I had a poor foundation. I only wrote one thing on the page. I realized that I was not qualified to connect to the background, in the end, I had to ask the boss to help me re-modify it to bind data to the backend. The road was long (why can't I think about it at a young age? What code should I use? -----) 1. pos

Last week's internship report-, internship report-2014 Two important issues 1. Why does the company's database not need stored procedures and Foreign keys? I did not answer this question. I came back and found a good answer on the Internet. { 1: in a large number of cases, the use of foreign key constraints will lead to poor performance. Do not think about foreign keys on the Internet. It is best not t

First day of internship in Suzhou, first day of internship in Suzhou 0x01 On the first day of work today, I woke up about 5.30 in the morning. After all, I went to work at my internship for the first time and arrived at work at less than 8 o'clock. As I imagined, I really liked it. After searching for half a day, we found that there was no grid in our direction .

July 4 came to Shanghai, a start-up company internship, to now a little more than 2 months, first talk about feeling it. The first day went, the software director and I chatted briefly for a few minutes, and then gave me a team leader, and then the group manager talked to me for a few minutes. Finally, the project manager called our group, held a meeting, and said what we were doing now. Immediately feel the heart warm. After the HR introduced me to e

We are finally leaving Beijing today to formally end the intern journey at Intel. Now at the capital airport to write the 4 months of life in Beijing, the Intel internship some of the experience and insights.Internship at Intel At the beginning of April, when I got Intel's internship, I was very excited, because after all, Intel, as the world's top technology company, had the opportunity to go inside as a s

let me say the details (I too, the details I still not clear)Handwriting Code Print DiamondThree-side HR:How is the interviewer in frontSay about the previous internship of the company, why do not continue in that internship, before the company good, advantages and disadvantages, how long can internship, internship ho

Tags: Java Personnel Management Original:Java Personnel Management System source code---Graduation Internship (database file added) Source code: Http://www.zuidaima.com/share/1550463722998784.htm Using the MVC pattern to write Personnel Management system, my graduation internship, today check, open source today Project Java Build Path Project Facets Hr.sql /* MySQL Data Transfer source host:localhost so

2018/3/10 more 2018.02.06-Ctrip Interview question: (1) Node partitioning criteria for decision trees: 1, Information entropy change-Information gain 2, information gain rate: In the process of overcoming computational information gain, because of the value of a certain feature is too large, resulting in a large information gain, but this feature is not helpful to the classification, so through the information gain rate to overcome the problem 3, Gini index: Reaction Sample Set purity, the small

Bo Master Junior Year (September), studying in Chengdu, a base, letter soft College reading, I believe that there should be someone to know, this internship for a long time (more than half a year), want to seriously work really can harvest a lot of things, want to water really can water past; The first thing to say is that in the deep convincing internship this half-time is very worthwhile, feel the big bus

Tags: Java web database configuration database connectionOriginally to do the purpose of data mining in which network, the structure has become a system development ... But still more serious to do for three months, the teacher is very agree with my work attitude and results ... The internship is coming to an end, summarizing a few things that have not been noticed before to become habits and problems, to share to everyone. At the same time to play a

Title DescriptionThere is a two-dimensional matrix, each row of elements, left to right to maintain a strict increment, the elements of each column, from top to bottom to maintain a strict increment. Finds the given element Elem, returning null or element position. 1 3 7 15 16 2 5 8 17 19 3 6 9 18 20 7 18 20 22 24 9 23 24 28

. Subclasses have the responsibility to extend the superclass, rather than the responsibility of displacing (Override) off or unregistering (nullify) out.4. Inheritance can only be used if it is taxonomic and not inherited from a specific class.The difference between an interface and an abstract class:1. Abstract classes can provide implementations of certain methods. If you add a new, concrete method to an abstract class, all of the subclasses get this method in a single swoop. Interface does n

feeling should be hidden, rather than covering, as for the difference between overloading, covering, hiding, etc., there is time behind to write a blog summary.The volume of a derived class object's memory space-derived class object is equal to the volume of the base class object, plus the volume of the derived class object's own member variable.in a derived class object, contains the base class object, and where the base class object is stored in the new member variable of the derived class ob

is crooked.2, the dichotomy algorithm, the principle remembers, but a long time did not write, wrote the wrong no Grass manuscript paper, I write again big, fork off there is no place to write, very embarrassed. So I wrote the idea on it.3, manually enter a URL (specifically what is forgotten) after, to return to the page, what is the process. (This is roughly the case).4, how to optimize the server response speed?Awkward, no, optimize the database? Increase server Configuration 233 ... The gra

":" Npu "},{" stu_id ": 2," Stu_name ":" Wang Liu "," age ": 0," Birthday ":" Feb 2, 1999 12:00:00 AM " , "Sex": "female", "school": "Xi ' an XI ' an"},{"stu_id": 3, "Stu_name": "66", "age": 0, "Birthday": "Jan 1," 12:00:00 AM "," Sex ":" Female "," School ":" Changan "},{" stu_id ": 4," Stu_name ":" Zhang Yi "," age ": 0," Birthday ":" June, 1994 12:00:00 AM "," Sex ":" female "," school ":" Shaanxi Normal "}, {"stu_id": 5, "Stu_name": "Zhao Liu", "age": 0, "Birthday": "Dec, 12:00:00 AM", "Sex

than the subquery returns, which is greater than the maximum value of the returned result.= all meaningless and logically not tenable.　　　　　　# #多列子查询So far you have been able to complete single-row and multiline subqueries, but only one column is compared in the WHERE or HAVING clause of the SELECT statement.If you want to compare multiple columns, you must write a compound WHERE clause with a logical operator.Dolez queries allow you to combine multiple conditions in a WHERE clause into a single

write SQL was improved. Most of the time is idle: Many times the task is based on the original to add some features, change bugs and so on, also done a small module development. Overall: The technical difficulty is not big, mainly is the understanding of the business . These two months have been very happy, delicious good live, is to grow fat Also worth saying is: don't think I wrote so many blog is very powerful, very good, in fact, I have a batch of slag ! School recruit Algorithm

in the index are deleted, and the data space occupied by the index is freed, but the data in the table still exists.Common index-related data dictionary views are: User_indexes: The definition of the user's Index object, containing the index's name and some related attributes of the index (such as uniqueness, etc.) User_ind_columns: The column definition information for the user Index object, which lists the index name, table name, and column name,

It rained out in the morning, seed, I met a crazy dog while squeezing the subway, Hitting the door in the company, Anyway, my internship is over. I still remember that when I first arrived at the company two months ago, Bobo sent me to the bus, crowded the subway during peak hours, and became a front-end development intern. The first week of the internship started a static page. Although I have done this be