preflight meaning

Pre-Test (content Summary)1. Ceph node Setup (CEPH nodes Setup)2. Ceph Deploy Setup(Ceph deployment Setup)2.1 Advanced Package Tool (APT)2.2 Red Hat Package Manager (RPM)3. Summary(Summary)Pre-TestNew version 0.60.Thank you for trying ceph! Before delving into Ceph, we recommend setting up a Ceph-deploy management node and a 3-node demo cluster to explore some of the ceph features. A preflight check will help you prepare to manage your ceph storage cl

Tags: AIO headers creat background Background Service results Response Reference InfoThis afternoon, I was going to use Aioxs to send a token to the backend server in the header, as shown in:As a result, the console reported the following error:Then, I keep on Baidu, constantly change the background Express header set, has no effect;Finally, I found that I just set the original header to add a ' token ' on it;Specific ideas I was referring to this link: https://segmentfault.com/q/101000001557234

Transferred from: http://www.cnblogs.com/SilenceTom/p/6697484.htmlThe calling interface encountered an error Response for preflight have invalid HTTP status code 405 , which was to use the Put method to submit the request interface. The Content-type is set to the APPLICATION/JSON,JS code as follows:$.ajax ({ type: "PUT", URL: "Http://172.16.200.84:8977/Messages?sessionId=ee876bfbtest", Data:data, beforesend:function (XMLHttpRequest) {

i-cut Layout Essential preflight v14.0 for MacOSX 2CDPre-Test module for IntradermalPre-inspection of Intradermalfor Mac Windowstrial testa simple PDF preflight, pre-check brings psti and large-face print editing solutions. Intradermal Preparation is the starting point for a true workflow. The problem is reported automatically before printing. No need to go to Adobe Illustrator? And a waste of time trying

Tags: nbsp cat angularjs pos Configuration js post data not ICAPhenomenon:1. Angular HTTP does not configure data (request parameters) without error2. After adding the request parameter, the error3. Server Response.headers (). Set (HttpHeaders.Names.ACCESS_CONTROL_ALLOW_HEADERS, HttpHeaders.Names.CONTENT_TYPE);by check:1. Angularjs Default Application/json2. No parameter does not send Preoption request3. UrlEncode does not send preoption requestAngularjs Post Request header field Content-type is

When the search engine grasps the lifeblood of the Internet economy, the typical application of the Internet, which is created by the search behavior, will affect all the people and things related to it. For the moment, we call the economic model of the related behavior a search economy. In this section we discuss one of the most basic elements of a search economy – search keywords. What are the key words? It can be any word in any language, mainly in the form of words. The essence of writing i

The meaning of directory and file permissions in Linux The meaning of file permission R: You can read the specific contents of this document; W: You can edit the contents of this file, including adding the details of the deleted file; X: The file has executable permissions-------Note: Here and window is not the same, in win, the file executable permissions are expressed through the extension, such as EX

What is the definition in C language? What is the meaning of the statement? What is the difference between them ?, Meaning difference In the C language, we may be very familiar with definitions and declarations, but we may not really understand them! Definition meaning: the so-called definition is to create (compiler) an object, allocate a memory space for this

String formatting symbolic meaning Symbol Description %c Formatting characters and their ASCII code %s formatting strings %d formatting integers %o Formatting an unsigned octal number %x formatting unsigned hexadecimal numbers %x Format unsigned hexadecimal number (uppercase) %f Format fixed-point numb

String formatting symbolic meaning Symbol Description %c Formatting characters and their ASCII code %s formatting strings %d formatting integers %o Formatting an unsigned octal number %x formatting unsigned hexadecimal numbers %x Format unsigned hexadecimal number (uppercase) %f Format fixed-point numb

A lot of friends in the tuning with MySQL will certainly use the explain to see the execution of the SELECT statement, here is a brief introduction to the results of the meaning of the two columns.1 Type column The official saying that this column represents the "type of access", and more commonly, the way MySQL finds the data rows needed. One is to introduce the worst from the most efficient to the best: all this is called a full-table scan, and no i

A lot of friends in the tuning with MySQL will certainly use the explain to see the execution of the SELECT statement, here is a brief introduction to the results of the meaning of the two columns.1 Type column The official saying that this column represents the "type of access", and more commonly, the way MySQL finds the data rows needed. One is to introduce the worst from the most efficient to the best: all this is called a full-table scan, and no i

Meaning of DBUnitdb, or decibel, is a very common unit in the field of electronics. This unit is characterized by the use of logarithms to represent the original data. 1 shell = 10 db = 10dB = 10 times times PowerFor an amplifier,power Magnification Ap = ten lg (PO/PI)voltage Magnification Au = LG (UO/UI)current Magnification Ai = LG (IO/II)For example: amplifier magnification of 40dB, indicating that its voltage amplification is 100 times times, curr

Option meaning of info. plist, meaning of info. plist 1. application does not run in background (container name: UIApplicationExistsOnSuspend) from the end of iOS4.0, when you apply the program line, press Home terminal, the application does not parse the current line, but hides in the background. Therefore, if you want to download the current program line after you press Home then, check this option. 2. A

This may be used in the shell, including DOS.Null is something called a null bucket, and the benefit of redirecting the output to it is that the file size is not constantly increasing due to too much content in the output. In fact, you think that null is nothing, that is, the output of the command is discarded.1 indicates standard output, 2 indicates standard error output, 2>1 indicates the standard error output is redirected to standard output, so that the normal output and error output of the

The meaning of the forest root domain in the domain tree, and the meaning of the domain forest root domain Contoso has many IT resources in the company's IT environment, and these IT resources are all in a state of decentralized management, which virtually increases the management cost of contoso, moreover, the management system cannot be implemented in the actual production environment. So how can we solv

[Go] Return html tags for their original meaning, and html tags for their meaning To tell the truth, the word "div + css" does not know how many people are harmed. Maybe the author's intention is correct, but the followers have misinterpreted its meaning in terms of performance, the whole page should be a combination of div + css files. In this way, there is no v

The recent use of curl feeling is still very convenient, looked at the cookie file format of curl generated, some of the value of the meaning is not very clear, to find some information about the cookie looked down, do a memo The cookie file format generated by PHP Curl is as follows #Netscape HTTP Cookie File#http://curl.haxx.se/rfc/cookie_spec.html#This file is generated by libcurl! Edit at your own risk.Jifen. xx.comFALSE/FALSE0PHPSESSID Dmdvk314ru

Chapter eighth Introduction to object-oriented programmingThe contents of this chapter:What is object-oriented programmingOOP technologyThe Windows forms application's dependency on OOP8.1 Meaning of object-oriented programmingThe programming method described earlier, called function (or procedural) programming, often leads to so-called single applications, where all functions are contained in several code modules (often a code module). with OOP, many

Android Log Tag meaning, androidlogtag meaning One of the most important methods to analyze Android problems is to analyze logs in events. there are many system logs in the log, some of which are not very familiar with the meaning. The following is the system log tag obtained from the android source code. The Tag description is as follows: "30005 am_create_activi