Slack is an excellent company with a team of communication and collaboration tools that use more than 750,000 people a day, and are constantly evolving and innovating. Slack has a great range of versatile products that are popular with the public.Although Slack has been very successful, its main source of promotion is verbal propaganda rather than the promotion o
The slack value is usually used to indicate whether the design meets the timing requirements. There are also setup slack and hold slack. If the slack value is positive, it indicates that the design can meet the setup/hold time requirements, and vice versa.
Setup slack = dat
Tags: PMM alert alarmHere is how to increase the alarm function, saying that no alarm function monitoring is not good monitoring!PMM monitoring type mainly has, actually should say is Grafana
e-mail #最常用的, but the disadvantage is that the service provider's SMTP server, often have a delay, be treated as spamThe Official Configuration tutorial:Https://www.percona.com/blog/2017/01/23/mysql-and-mongodb-alerting-with-pmm-and-grafana/?utm_source=tuicool utm_medium=referral
Webhook #不考虑了,
If mobile access is poor, you can visit my personal blog
A few days ago read a blog about animation called Hand to teach you to write Slack of the Loading animation, looking very flashy, but it is the Android version, thinking of The imitation of writing an iOS version, the following is I write this animation decomposition ~
The usual first and demo address:When I first saw this animation, there were two schemes in my mind, one of which
Baidu issued a statement from February this year said not to be credulous SEO Company's rhetoric and cases, improper SEO may give you the site after the risk, many practitioners in the industry feel that the industry's development prospects will be quite pessimistic, so all kinds of contradictions, all kinds of negative protruding out, And 6.28 of the large-scale K station also directly led to some strength is not very strong optimization company directly close the door, these things have caused
Picture material for reference Ah Halle's BlogThe algorithm is used to solve the shortest path of one point to the remaining verticesLet's start with a diagram and ask for the shortest path from 1 to 6.It reminds me of the almost-hung branch of operations research.Use a two-dimensional array firstThere is also a one-dimensional array that stores the distance from 1 points to each pointThe value of this one-dimensional array is called an estimate. Select a nearest point, point 2, at a point that
A few days ago to read a blog about animation to hand-touch hand to teach you to write slack Loading animation, looking quite flashy, but is an Android version of The imitation of the copy to write an iOS version, the following is I write this animation decomposition ~
The old rules first figure and demo address:
Just saw this animation, the mind appeared in two schemes, one is to draw out through DrawRect, and then with Cadisplaylink constantly d
who his mother is. But there is a dog drink not to mind the water, do not know where their mother, how to find his mother. Then we'll compare the characteristics of the dog with those of the puppies. Then take the most similar dog, then his mother is the single dog's mother ~ ~ We can imagine that a Chihuahua must be far away from Teddy.Equivalent to using these three attributes, representing a person. Different people, three attribute values are different. Use vectors [Feature1, Feature2, Feat
this method, the thread has not finished, it will be forced to stop, you think, if this happens in our database of a transaction to operate, what will happen?The correct way to exit a thread is to set a flag bit keeprunning, when the thread executes when Keeprunning=true is Keeprunning=false, and the thread exits, so that the thread exits the thread after execution. This ensures thread security, which is the recommended way to exit threads.Some people say that the interrupt () method can also s
largest prime factor Problem 3
The prime factors of 13195 are 5, 7, and 29.
What is the largest prime factor of the number 600851475143?
Answer:
6857
Exercises
Let the given number is n and let k = 2, 3, 4, 5, .... For all k, if it is a factor of n then we divide n by K and completely divide out each k before moving to the next K. It c
Oracle Index Clustering Factor (cluster Factor)
I. Description:
During the test today, we found that there was an index on the field, but the execution plan did not go through the index. After searching on the internet, we found that it was caused by a high index cluster factor.
2. Official Website description
The index clustering
Tags: principle tab includes server Sina create partial change disk
The most relevant to index rebuilds is the fill factor. When creating a new index, or rebuilding an existing index, you can specify a fill factor, which is the number of data pages in the index that are populated when the index is created. A fill factor of 100 me
Factor analysis (Factor analyst) "PDF version" factor analysis1 questionsIn the training data we considered before, the number of M in the sample is much larger than the number of its features n, so that no matter the regression, clustering and so on are not too big problem. However, when the number of training samples M is too small, even mThe parameter estimati
1. Clustering factor algorithm:Locate the block number that corresponds to the record by Dbms_rowid.rowid_block_number (ROWID). rowID is recorded in the index, so Oracle can determine whether the record is in the same block based on the ROWID in the index. For example, for instance, there are a,b,c,d,e five records in the index, first compare whether a, B is in the same block, if not the same block so clustering F
Factor(A function/table) is the fitness of a combination of variables (the scope of the factor. In bn, factor is conditional probability distribution (CPD); but factor does not always correspond to a certain probability (of course, it is not necessarily 0 ~ 1), for example, in MRF. Similar to the operation of a databas
Label:When creating a new index, or rebuilding an existing index, you can specify a fill factor, which is the number of data pages in the index that are populated when the index is created. A fill factor of 100 means that each index page 100% fills up, and 50% means that each index page 50% fills up. If you create a clustered index with a fill factor of 100 (on a
Python exercise question 010: Decomposition prime factor, python prime factor
[Python exercise question 010]Factorization a positive integer into a prime factor. For example, enter 90 and print 90 = 2*3*3*5.
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I thought this was another issue. It took me one and a half hours to solve it!
At first, I th
June 8, 2018 today is the second day of learning R feel slow, need to speed up a bit. In addition yesterday seems to write not particularly good, so today intends to study the overall editor.Today to learn the factors, first: what is a factor? Because we know the vectors in R, and because we've been learning python for a while, we have an understanding of dictionaries, arrays, etc. So, for the factor I can
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