udacity degree

Copy Code code as follows: /** * Modify a picture to flip the specified degree * * @param string $filename file name (including file path) * @param float $degrees rotation degree * @return Boolean */ function Flip ($filename, $src, $degrees = 90) { Reading pictures $data = @getimagesize ($filename); if ($data ==false) return false; Reading old pictures Switch ($data [2]) { Case 1: $src _

When doing a website optimization, keyword selection is the most important. According to stationmaster individual or company to optimize the keyword investment time and money, choose the keyword of appropriate difficulty. After a long period of practice, several websites often change keywords, do a lot of thankless things, get a lot of useful experience, share out so that more webmaster less detours. See keyword heat and competition degree, use the f

, Their current small team optimization keywords in the Baidu home page, however, the benefits are only enough to pay rent, food, a key word value, I think this friend most clearly, the same row in Baidu home page, different keywords to obtain value is different, a lot of people are running home, It is hard to estimate the value of this keyword. This webmaster friend is still in for this keyword row in Baidu homepage daily do maintenance work. Let more users really understand, improve the visibi

The results of a user searching for a keyword search are different. And now it is said that the search for the ranking of the show also added to the attributes of the region, such as your search in Guangdong related keywords, the display is not the same as the results of the search in Wuhan, the author has not tested, Because can not go to Wuhan search once. This is only for some of the regional quality of the site, for other sites is the effect is so-so. Today I talk about how to use the matchi

Hundred small degree is a lovely Baidu small robot, after activating can adopt. After closing the dialog, it will go to the right side of the search bar squat, when you use the mouse to touch it, it will be very agile to look up to you, haha very cute. Remember yesterday chat with it for a while, it will play a joke on you, when you ask some questions, it will automatically go to the left Baidu a question, to help you query the answer. Later it said i

In 1967, Stanley Milgram, a famous American sociologist, proposed a famous hypothesis called "Small World phenomenon", to the effect that any 2 strangers could be linked together by a maximum of 6 people, that is, only 6 people. So his theory is also known as the "Six degree separation" theory (six Degrees of separation). Although Milgram's theory has often been fulfilled, there have been many sociologists interested in it, but in more than 30 years,

Many do SEO optimization friends do not know if the SEO service quotes, in fact, this depends on the keywords you do the degree of competition, business value, difficult degree and so on, so how to judge the difficulty of the optimization of keywords? The following Nanjing SEO conducted a comprehensive analysis. First: Analysis of Baidu Index A keyword is hot, can be reflected through the Baidu index. Und

The degree I want to talk about here is not the programmer's degree of anger, but the degree to complete each task that you need during project development. Many concepts have the highest goal, but not necessarily the highest goal is the most appropriate. The most practical goal is to comprehensively consider the actual situation, which may include resources, tim

In SEO optimization, how to improve the keyword and the user's search for the matching degree is absolutely affecting the size of the site traffic is the key factor. Just like you do SEO optimization How to operate this keyword, and the user Search SEO optimization method, so the matching degree is not high two keywords, naturally when users search their site will certainly be lower than some of the higher

Collation You are welcome to love the Six-Degree topology. The six-degree topology should be the first mature work in my Internet experiment. I am very satisfied with the process from conception to creation to the final product. Of course, I would like to thank Douban.com for releasing this API by ID to search for friends. Without this API, no such work will be available. Such a large website uses its own

that meets the conditions. An empty row is output between two adjacent groups of test data. Sample Input 374 3 1 5 4 2 1 64 3 1 4 2 0 62 3 1 1 2 1 Sample output YES0 1 0 1 1 0 1 1 0 0 1 1 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1 0 1 1 0 1 0 1 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 NOYES0 1 0 0 1 0 1 0 0 1 1 0 0 0 0 0 0 1 0 1 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 Degree sequence: If the degrees of all vertices of graph G are arranged in a sequence S, S is called the

HDU 1869 six-degree Separation Six-degree SeparationTime Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission (s): 5035 Accepted Submission (s): 2026Problem Description in 1967, the famous American sociologist Stanley milgranm proposed a famous hypothesis named "small world phenomenon, A maximum of six people can be associated with each other with only six people, the

(a) the degree of parallelism of a storm topology can be set from the following 4 dimensions:1, node (server): Refers to the number of supervisor servers in a storm cluster.2, worker (JVM process): Refers to the total number of worker processes throughout the topology, which are randomly distributed evenly to each node.3. Executor (thread): refers to the number of bus threads of a spout or bolt, which are randomly assigned to each worker.4. Task (Spou

This article Wang Yin, Sichuan University 97 grade undergraduate degree, walk to Tsinghua University computer Department direct Bo. During the period of Tsinghua University computer department software, mainly for the research of integrated circuit routing algorithm. During this period, he was famous for "Gnu/linux work" and "non-research amateur stuff" such as the promotion of Tex. In only one year left to graduate, he applied to drop out of school,

For Seoer who are engaged in keyword optimization, the analysis of the keyword competition degree is a basic skill. Keyword difficult to analyze the degree of difficulty is to evaluate the main indicators of the operation of the project, yes clear Web site structure adjustment parameters, is a clear key to the layout of the main factors, but also to formulate the project's main reference basis for the Opera

SEO site to do their own optimization for more than a year, many of them encountered a lot of difficulties and bottlenecks, one of the most let their own headache is the site outside the chain construction and promotion, you know, a site to get a high PR value, more included, in addition to keeping the content of the site at any time to update, but also need to keep communication with the outside world, But how to effectively control the degree of the

The gold Wanlihan is inferior to get the season cloth a Connaught, this is the idiom "promise" in the historical records of Sima Qian, the value of the credit, the person walks in the river Lake among the no letter but does not stand. In the network World, the website like the individual person in the society, but the search engine is like the network in the social network of the lake. The website wants to obtain the good rank in the search engine, does not win the trust the search engine, there

Start with a word and say what you feel about the user experience, a quote from today's interview in Seowhy. "How customers come, we use SEO; How to stay, we use the content, with the culture; How to buy, we use, low price high quality; How to buy and buy more. What we're using is, sales promotion and marketing; How to buy what we use is universal phenomenon; After the cycle of purchase, how do we let these recycled people to introduce you to the same kind come here to continue to buy "the above

First, the index length and the degree of differentiation are contradictory,The index length is too short, then the sensitivity is very low, the index length is longer, the sensitivity is high, but the index is to occupy memory, so we need to find a balance point;So how does this balance come about?For example, the user table has a field username, to index him, the question is how much index length is appropriate?In fact, we know that there is hundred

First, the index length and the degree of differentiation are contradictory,The index length is too short, then the sensitivity is very low, the index length is longer, the sensitivity is high, but the index is to occupy memory, so we need to find a balance point;So how does this balance come about?For example, the user table has a field username, to index him, the question is how much index length is appropriate?In fact, we know that there is hundred