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My Google chrome doesn't show OPTIONS requests [duplicate]

由 余生长醉 提交于 2020-05-28 04:45:09
问题 This question already has answers here : Chrome not showing OPTIONS requests in Network tab (2 answers) Closed 9 months ago . Many days ago I change Google Chrome Network tab configuration to show Methods. Everythings were okay if my origin ajax request URL was not exactly like destination ajax request URL the browser (Google Chrome) send an OPTIONS request to be sure it is secure to send the main request. So in the Network tab, we can see OPTIONS call and if its response became 200 the

Optional command line arguments

由 偶尔善良 提交于 2020-04-06 05:03:34
问题 Given code like this, how do I actually set a file in the run options? I am using Spyder and have put -h -s -p -o as arguments, but I'm not sure how to specify a named file for the -o option. class CommandLine: def __init__(self): opts, args = getopt.getopt(sys.argv[1:],'hspw:o:') opts = dict(opts) if '-o' in opts: self.outfile = opts['-o'] else: self.outfile = None 回答1: This is a simple tutorial dealing with argpase. But first of all, i recommend you to read the official documentation if you

Ajax 跨域(CORS)请求中的预检请求

由 只谈情不闲聊 提交于 2020-03-03 22:22:46
关于预检请求 定义：预检请求（Preflighted requests ）是浏览器发起跨域请求时，通过OPTIONS方法询问服务器对跨域请求的支持情况（支持的包含请求方法、请求头、数据类型）。 触发预检请求的三类条件 ： 默认情况下，跨域请求只支持GET,HEAD,POST方法，如果不是这三个请求方法（比如：PUT、DELETE、CONNECT、OPTIONS、TRACE和PATCH），那么将触发预检请求 默认情况下，浏览器跨域请求时，会自动添加的请求头（HOST,Referer,Connection、Accept、User-Agent,Accept-Languange,Accept-Encoding,Accept-Charset和Content-Type）,这些请求中还有其他请求头时，那么将触发预检请求。 如1、2所说的情况排除在外的条件下，跨域请求是，浏览器支持的Content-Type值为application/x-www-form-urlencoded，multipart/form-data和text/plain。如果是其他数据类型(如application/json,text/xml...)，那么将触发预检请求。 下面通过一个Ajax跨域请求来验证 var xhr= new XMLHttpRequest(); var url = 'http://bar.other

Overriding “Variables not shown” in dplyr, to display all columns from df

由 耗尽温柔 提交于 2020-01-30 14:30:31
问题 When I have a column in a local data frame, sometimes I get the message Variables not shown such as this (ridiculous) example just needed enough columns. library(dplyr) library(ggplot2) # for movies movies %.% group_by(year) %.% summarise(Length = mean(length), Title = max(title), Dramaz = sum(Drama), Actionz = sum(Action), Action = sum(Action), Comedyz = sum(Comedy)) %.% mutate(Year1 = year + 1) year Length Title Dramaz Actionz Action Comedyz 1 1898 1.000000 Pack Train at Chilkoot Pass 1 0 0

Overriding “Variables not shown” in dplyr, to display all columns from df

由 会有一股神秘感。 提交于 2020-01-30 14:29:53
问题 When I have a column in a local data frame, sometimes I get the message Variables not shown such as this (ridiculous) example just needed enough columns. library(dplyr) library(ggplot2) # for movies movies %.% group_by(year) %.% summarise(Length = mean(length), Title = max(title), Dramaz = sum(Drama), Actionz = sum(Action), Action = sum(Action), Comedyz = sum(Comedy)) %.% mutate(Year1 = year + 1) year Length Title Dramaz Actionz Action Comedyz 1 1898 1.000000 Pack Train at Chilkoot Pass 1 0 0

How to build F# type fulfilling business rules?

由 别来无恙 提交于 2020-01-24 14:12:52
问题 I´m trying to build a type in F#, where when I get an object of that type I can be sure it´s in a valid state. The type is called JobId and it just holds a Guid . The business rule is: It must be a Guid - but no empty Guid. I´ve already implemented the type in C# but now I would like to port it to a F# class library. That´s the C# type: public sealed class JobId { public string Value { get; } private JobId(string value) => Value = value; public static JobId Create() => new JobId(Guid.NewGuid(

How to build F# type fulfilling business rules?

由 陌路散爱 提交于 2020-01-24 14:12:46
问题 I´m trying to build a type in F#, where when I get an object of that type I can be sure it´s in a valid state. The type is called JobId and it just holds a Guid . The business rule is: It must be a Guid - but no empty Guid. I´ve already implemented the type in C# but now I would like to port it to a F# class library. That´s the C# type: public sealed class JobId { public string Value { get; } private JobId(string value) => Value = value; public static JobId Create() => new JobId(Guid.NewGuid(

How to build F# type fulfilling business rules?

由 本秂侑毒 提交于 2020-01-24 14:12:05
问题 I´m trying to build a type in F#, where when I get an object of that type I can be sure it´s in a valid state. The type is called JobId and it just holds a Guid . The business rule is: It must be a Guid - but no empty Guid. I´ve already implemented the type in C# but now I would like to port it to a F# class library. That´s the C# type: public sealed class JobId { public string Value { get; } private JobId(string value) => Value = value; public static JobId Create() => new JobId(Guid.NewGuid(

HTML SELECT OPTION convert/changed to <UL> <LI>

由 余生长醉 提交于 2020-01-14 04:25:07
问题 I want my code below to be converted or changed to list style or div. <div class="input-box"> <select id="<?php echo $_code ?>_cc_type" name="payment[cc_type]" class="required-entry validate-cc-type-select"> <option value=""><?php echo $this->__('--Please Select--')?></option> <?php $_ccType = $this->getInfoData('cc_type') ?> <?php foreach ($this->getCcAvailableTypes() as $_typeCode => $_typeName): ?> <option value="<?php echo $_typeCode ?>"<?php if($_typeCode==$_ccType): ?> selected=

How to get statistics in Z3 3.2?

由 拥有回忆 提交于 2020-01-06 04:00:41
问题 With Z3 2.x I used the SMTLib2 command (get-info statistics) to get statistics of a Z3 run. Using Z3 3.2 I get (error "line _ column _: invalid command argument, keyword expected") for the above, and to (get-info :statistics) Z3 replies with unsupported What's the new way of getting statistics (other than the /st command-line option)? And while we're at it: The INI options page lists (set-option :STATISTICS true) as a valid option, but Z3 3.2 again replies with unsupported 回答1: (get-info :all
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