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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: In Xcode, a Popover segue has two connection fields named Anchor and Passthrough. What are they used for? 回答1: These are properties of the UIPopoverController , not the segue. Thats why if you look at the documentation for the UIStoryboardPopoverSegue , you won't find these two properties. The anchor is telling the UIPopoverController where to point its arrow. The passthrough is an array of views that the user can interact with while the UIPopoverController is displayed. The documentation is here: https://developer.apple.com/documentation

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've got Angular2 reactive form . I created formControl s and assigned it to input fields by [formControl]=... . As I understand it creates nativeElement <-> formControl link. My question: is it possible to get nativeElement for formControl ? I wanna do something like myFormControl.nativeElement.focus() 回答1: I can share one terrible solution but it works for me. In reactive forms we can use either 1) FormControlDirective ts myControl = new FormControl('') template <input type="text" [formControl]="myControl"> or 2) FormControlName ts myForm:

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I've got an error on MySQL while trying to add a UNIQUE KEY. Here's what I'm trying to do. I've got a column called 'unique_id' which is VARCHAR(100). There are no indexes defined on the table. I'm getting this error: #1062 - Duplicate entry '' for key 'unique_id' When I try to add a UNIQUE key. Here is a screenshot of how I'm setting it up in phpMyAdmin: Here is the MySQL query that's generate by phpMyAdmin: ALTER TABLE `wind_archive` ADD `unique_id` VARCHAR( 100 ) NOT NULL FIRST , ADD UNIQUE ( `unique_id` ) I've had this problem in the

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I tried to look at similar questions but they are of no use for me. I have a class: data class TextMessage(val text: String, override val time: Date, override val senderId: String, override val isText: Boolean = true) : Message{ constructor() : this("", Date(0), "") } Then I try to store an instance of it in Firestore: fun sendTextMessage(message: TextMessage, channelId: String) { chatChannelsCollectionRef.document(channelId) .collection("messages") .add(message) } For some reason whenever I call sendTextMessage I get this exception: java

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Has anyone built a project that has Enable On Demand Resources set to YES for frameworks linked to the project. Most of the catalog assets in the app I'm working on are kept and brought into the project in frameworks and I get build error Target '<Framework/Bundle>Name' has on-demand resources enabled (ENABLE_ON_DEMAND_RESOURCES = YES), but it is not supported for framework target types. and unable to compile the project. 文章来源: iOS/Xcode enable On Demand Resources for Frameworks in project

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am following the instructions on this blog to setup subversion on my development PC: http://www.codinghorror.com/blog/2008/04/setting-up-subversion-on-windows.html . I get an error when I get to the following line in the blog: "Congratulations! You just checked your first change into source control! " i.e. instead of saying "congratulations.....", it says: SVN E160043. Expected FS format between '1' and '4'. Found format 6. I have spent some considerable time Googling this but I have not found an answer. I am running subversion on a

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have an issue with the new Matplotlib 2.0.0. The new autolimit_mode value by default add a padding to the frame. I want to avoid it to a single figure. If I change rcParams, the changes affect to any generated figures. Can I change this parameter for a single figure without affect the behavior of the rest? Update I update the question with some code and the different results obtained. import numpy as np import matplotlib import matplotlib.pyplot as plt def remove_frame_border(ax): ax.spines['top'].set_visible(False) ax.spines['right'].set

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I am trying to work with Freebase data dumps. I try to get only the films Ids by searching the predicates that starts with "film.film". But like that I got alot of unrelated items. this is a predicate for example: film.film_character.portrayed_in_films_dubbed..film.dubbing_performance.film which brings Id of this url: http://www.freebase.com/m/0pc731y which is not a movie but a character in a movie. Can anybody help me please??? 回答1: If you do a prefix search, you're going to get anything which matches the prefix. If you want IMDB

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: Is it possible to display a DateTime value in dd/mm/yyyy format with the help of HTML Hepler methods in Asp.NET MVC ? I tried to do this by using some formats in @Html.LabelFor and adding some annotations to the related property like below but it does not make any sense. Any help to solve this problem would be appreciated. Model: [ DataType ( DataType . Date )] [ DisplayFormat ( DataFormatString = "{0:dd/MM/yyyy}" , ApplyFormatInEditMode = true )] public Nullable RegistrationDate { get ; set ; } 回答1: All you have to do is type

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I tried to get the solution frthis error and none of the other topics really came close to addressing the same problem. As I am new to XSL. I am getting the below errors. fo:table-cell" is missing child elements. Required content model: marker* (%block;)+ (See position 1:36249) in PER-FPL-FLP-ICR-40 (CLIMB CORRECTION), DU solution 00012999.0019001 (CLIMB CORRECTION), near lid N.00012999.0019001.141 [Tue May 10 15:47:14 IST 2016] com.airbus.ops.publisher.composer.render.RenderEngineWrapperException: Cannot transform document [Tue May 10 15:47