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,
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
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
Problem Description:
Using the official demo to verify token is successful, but placing it on the frame of your website for token verification always prompts "token verification failed".
Solution:End up in Echo $_get[' Echostr '), before adding a code Ob_clean ();
Problem Analysis:Because the frame is used in the Echo $_get[' echostr ', there may be some outpu
ThinkPHP form token error and Solution Analysis, thinkphp token
This article describes the form token errors and solutions in ThinkPHP. We will share this with you for your reference. The details are as follows:
During project development, when adding and Editing data, the system occasionally prompts "form token error"
In the previous blog post, we obtained ACC based on the ASP. OWIN OAuth with Resource Owner Password Credentials Grant (Grant_type=password). ESS token and, with this token, successfully invokes the Web API associated with the current user (resource owner).I thought I'd done it. Access token has done the validation and authorization of the Web API, but found that
How to achieve the goal:
How do I avoid duplicate submissions?
In the session, you save an array, which is stored in a successfully submitted token. In the background processing, first determine whether the token is in this array, if it exists, the description is repeated submissions.
How to check the antecedents?
Optional, this token is added to the current ses
PHP token (token) design goal: avoid repeating data submissions. Check the routing, whether it is an external commit match to perform the action (if there are multiple logic in the same page implementation, such as new, delete, modify and put into a PHP file operation) Here the token is in the page display, write to the form of a hidden form item (Type=hidden).
Authorization code mode based on Oauth2.0 protocolAuthorization Code Mode Workflow:(A) browser access to the JS client, JS will redirect the Web page to the authentication server (/oauth/authorize), carry ClientID and other information(B) The user chooses whether to grant the client authorization (automatic authorization)(C) The authentication server redirects the browser to the redirect Uri (redirection URI) with an authorization code(D) The browser gets the authorization code and attaches an e
PHP token (token) design goal: avoid repeating data submissions. Check the routing, whether it is an external commit match to perform the action (if there are multiple logic in the same page implementation, such as new, delete, modify and put into a PHP file operation) Here the token is in the page display, write to the form of a hidden form item (Type=hidden).
It was because of the use of Base64 that the problem occurred when the token was sent through the Get method.
For example: http://test/test.php?a=1+2
You use $_get["a" to obtain is: 1 2, namely that the plus sign is gone. At first I used UrlEncode to convert it, but there were always one or two results that were unexpected.
Later think of Base64 characters are limited to: [a-za-z0-9\+\/=] So many, plus the problem, I will replace the plus sign withou
It was because of the use of Base64 that there was a problem when sending this token through the Get method.
For example: http://test/test.php?a=1+2
You use $_get["a"] to obtain is: 1 2, that is, the plus sign is gone. At first I used UrlEncode to convert it, but there were always one or two of the results that were unexpected.
Later think of the Base64 character is limited to: [a-za-z0-9\+\/=] So many, plus the problem, I will replace the plus sign
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