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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: I'd like to put a search bar in my navigation bar, like safari has. If I add a UISearchBar to my view, it ends up underneath the navigation bar instead. How can I put a search bar in (not under) a unnavigationbar? 回答1: I do it this way: UISearchBar * navSearchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, 232, 44)]; navSearchBar.delegate = self; self.navigationItem.titleView = navSearchBar; [navSearchBar release]; I hope it helps! 回答2: Try putting UISearchBar or UITextField in titleView of UINavigationItem and then set this in

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 want to set background for Navigation Bar to be black and all colors inside it to be white . So, I used this code : [[UINavigationBar appearance] setTitleTextAttributes: [NSDictionary dictionaryWithObjectsAndKeys: [UIColor whiteColor], NSForegroundColorAttributeName, [UIColor whiteColor], NSForegroundColorAttributeName, [NSValue valueWithUIOffset:UIOffsetMake(0, -1)], NSForegroundColorAttributeName, [UIFont fontWithName:@"Arial-Bold" size:0.0], NSFontAttributeName, nil]]; But back button text color , arrow and bar button have still default

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 a prefix that I want to add to every route. Right now I add a constant to the route at every definition. Is there a way to do this automatically? PREFIX = "/abc/123" @app.route(PREFIX + "/") def index_page(): return "This is a website about burritos" @app.route(PREFIX + "/about") def about_page(): return "This is a website about burritos" 回答1: The answer depends on how you are serving this application. Sub-mounted inside of another WSGI container Assuming that you are going to run this application inside of a WSGI container (mod_wsgi,

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'm trying to make an applescript for an application called F.lux that clicks the menu item "Disable for an Hour" as indicated in the screenshot below: The element path is indicated in the screenshot below: Here is my code thus far: tell application "System Events" tell process "Flux" click (menu bar item 1 of menu bar 2) click menu item "Disable for an hour" of menu 1 of menu bar item 1 of menu bar 2 end tell end tell Everything compiles fine, however I keep getting the error message below when I attempt to run the script: error "System

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 would like to add a column to the second level of a multiindex column dataframe. In [151]: df Out[151]: first bar baz second one two one two A 0.487880 -0.487661 -1.030176 0.100813 B 0.267913 1.918923 0.132791 0.178503 C 1.550526 -0.312235 -1.177689 -0.081596 The usual trick of direct assignment does not work: In [152]: df['bar']['three'] = [0, 1, 2] In [153]: df Out[153]: first bar baz second one two one two A 0.487880 -0.487661 -1.030176 0.100813 B 0.267913 1.918923 0.132791 0.178503 C 1.550526 -0.312235 -1.177689 -0.081596 How can I add

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'm having issues to combine the process that I want to run in parallel and the creation of the progress bar. My code for the process is: pred_pnn <- function(x, nn){ xlst <- split(x, 1:nrow(x)) pred <- foreach(i = xlst,.packages = c('tcltk', 'foreach'), .combine = rbind) %dopar% { mypb <- tkProgressBar(title = "R progress bar", label = "", min = 0, max = max(jSeq), initial = 0, width = 300) foreach(j = jSeq) %do% {Sys.sleep(.1) setTkProgressBar(mypb, j, title = "pb", label = NULL) } library(pnn) data.frame(prob = guess(nn, as.matrix(i))

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 put a navigation controller with a table view controller within an iMessage app (iOS 10). This seems to work when I put the UINavigationController within an UIContainerView within the MSMessagesViewController . However, this breaks when in expanded view. The UINavigationBar that the controller has disappears. How can I remedy this, or am I taking the wrong approach? 回答1: Let me start with the assumption that you used view.addSubview to add your UITableViewController to the MSMessagesAppViewController In order to show

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'm struggling to find information to make chart with react-chartjs-2. I made a bar chart using react-chartjs-2. I couldn't find related information about making it horizontal bar. Is it possible to make a horizontal bar with react-chartjs-2? I also have a pie chart next to a bar chart. I use same data from a pie chart to make a bar chart. Any help is appreciated. Here is my code. export default class Categories extends React.Component{ constructor(props){ super(props); this.state = { slideOpen : false, piData : piData } this.handleClick =

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 know that the compiler sometimes provides a default copy constructor if you don't implement yourself. I am confused about what exactly this constructor does. If I have a class that contains other objects, none of which have a declared copy constructor, what will the behavior be? For example, a class like this: class Foo { Bar bar; }; class Bar { int i; Baz baz; }; class Baz { int j; }; Now if I do this: Foo f1; Foo f2(f1); What will the default copy constructor do? Will the compiler-generated copy constructor in Foo call the compiler

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: Anyone know a good tutorial of how to make the status bar found in the new facebook? the one on the bottom. looks really cool i was thinking it was written in either ajax or jquery. but not sure. 回答1: Here are some useful links/plugins that might help you: Positioning the footer Enable drag/drop of things (like applications) Tooltip (when hover) And for the interaction with the server (for new events etc.) you might use the AJAX functionality in jQuery : 回答2: In order to have it always be in the bottom, that is more of CSS than javascript. I