response." If this problem is hindering my normal work, then I can solve it in my own way. ”"Employees are now discussing using different media, e-mail, instant messaging, and so on. We need a centralized tool for communication, not just for an employee group or a department, but for everyone. ”"Chat environment, messaging environment allows us to see what we share, we can open multiple rooms--it can be used as part of team building. ”"If we can get
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,
Some time ago, the work needs to do a statistical analysis system for video quality, each end (PC, mobile and web) to put the video quality data in an HTTP request to the server, the server to parse the data, sorted from different dimensions to do real-time and offline analysis. (PS: This kind of work should be done by the statistical department, but because of various reasons fell on my head, the specific reason is slightly not said ... )KNN works by: There is a collection of sample data, also
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
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
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
Open the Payment QQ group conditions:
1. Group Rank ≥lv2
2. Group Credit star ≥5 stars
3. Group main QQ level ≥LV12
The limit is a little high, we can go to try if you meet the requirements!
QQ pay Gathen How to set?
1. Open the
Different shells are different in the order in which the sub-processes are created when using pipe lines, this article takes bash as an example, and is a typical representation of the shell that supports job control.Zombie process with orphan processZombie Process: Terminates before the parent process, but the parent process does not dispose of it (gets the information about terminating the child process, releasing the resources it still occupies). The only way to eliminate a zombie process is t
Each user has a so-called GID in the fourth column of his/etc/passwd, the GID is the so-called "initial Group" (Initial group)! In other words, when a user logs on to the system, it immediately has the meaning of the group's relevant permissions. For example, we mentioned above that Dmtsai the user's/etc/passwd and/etc/group and/etc/gshadow related content as fol
QQ Open pay into the group what are the requirements
Only group owners can open this function, provided that:
Group Rank ≥lv2 (group number >50, number of speakers more than 20)
Group Credit star = 5 Star
Group main QQ
The IT industry is developing rapidly and it needs more. To facilitate domestic enterprises and achieve rapid development, shubinliang's it part-time group was established to collect it talents (software programming, graphic design, CAD, website optimization and soft text writing)As long as you have a skill in it, as long as you are technically competent, you can join this group.Requirements: provides successful cases, working years, technical experti
Linear correlation of the first section vector group
A Mathematical Concepts
Defines 1.1 n ordered numbers, the array of which is called an n-dimensional vector, which is called n components of the vector, and the number I is called the first component.
Definition 1. 2 to the directional measure group A:, for any set of real numbers, vectors
A linear combination called a vector
Below is I do station group SEO for several years roughly summed up some experience. If there is a superficial fallacy of the place, also invite you master prawn Haihan. ToThe next content is only for Exchange study, in the principle of mutual benefit, I hope that the respective Black Cat optimization of the technical means have been improved. Think I editThe content belongs to the pediatrics please ignore directly.First, the choice of the domain name
This article describes how the JS side determines whether the current user is in a SharePoint group (which contains the users in the ad group and then joins the ad group to the SP's groups).I have summed up the JS terminal to determine the user rights of three ways: http://blog.csdn.net/abrahamcheng/article/details/17447479But the actual need to determine whether
Talking about the capturing group and non-capturing group in PHP regular expressions, talking about the php capturing Group
Today, I encountered a regular expression matching problem and suddenly turned to the concept of a capturing group. The manual was a little over, baidu has no intention of turning to the special u
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