Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged Swift
0
votes
1.4k
views
1
answer
swift - How to detect a tap gesture location in SwiftUI?
(For SwiftUI, not vanilla UIKit) Very simple example code to, say, display red boxes on a gray background: struct ... How would I go about this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
553
views
1
answer
swift - Simultaneous accesses to 0x1c0a7f0f8, but modification requires exclusive access error on Xcode 9 beta 4
my project uses both Objective-C and Swift code. When a user logs in, it calls a set of apis for user ... beta 3. Any help is appreciated See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
877
views
1
answer
swift - Initialize @StateObject with a parameter in SwiftUI
I would like to know if there is currently (at the time of asking, the first Xcode 12.0 Beta) a way to ... , while this view does not. Thanks. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
659
views
1
answer
swift - Using DateFormatter on a Unix timestamp
I get a crash when running and it points at the dateFormmater.timezone. The error in the console is: Could not ... myTimeStamp! /** 1000*/) See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
805
views
1
answer
swift - Deleting all documents in Firestore collection
I'm looking for a way to clear an entire collection. I saw that there is a batch update option, but that would ... , batchSize: batchSize) } } } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
552
views
1
answer
swift - Swift3 iOS - How to make UITapGestureRecognizer trigger function
I am trying to add a UITapGesture to a UIButton so it will trigger a function when tapped. I am using Swift 3 and ... print("Please Help!") } } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
491
views
1
answer
swift - Using a Type Variable in a Generic
I have this question except for Swift. How do I use a Type variable in a generic? I tried this: func intType() -> ... var arr = Array<t>() } } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
1.1k
views
1
answer
swift - NSAttributedString, change the font overall BUT keep all other attributes?
Say I have an NSMutableAttributedString . The string has a varied mix of formatting throughout: Here is an example: ... , in fact "additive". See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
725
views
1
answer
swift - How do you create a multi-line text inside a ScrollView in SwiftUI?
Since List doesn't look like its configurable to remove the row dividers at the moment, I'm using a ScrollView ... height for the Text frame ? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
594
views
1
answer
swift - Transparent background for modally presented viewcontroller
I am using Parse & ParseUI. I want my PFLoginViewController subclass to have a transparent background. In the ... subclass makes no difference See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
564
views
1
answer
swift - Main Thread Checker: UI API called on a background thread: -[UIApplication applicationState]
I am using google maps in Xcode 9 beta, iOS 11. I am getting an error outputted to the log as follows: ... .camera.target.longitude)") } } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
607
views
1
answer
swift - Keep window always on top?
In Objective-C for Cocoa Apps it's possible to use such way to keep window always on top? ... of unresolved identifier 'NSFloatingWindowLevel' See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
741
views
1
answer
swift - How to add Equal Spacing and equal width for button in iOS Auto layout
Am new to Auto layout constraints in Xcode. I have one Bottom View like UITabBar with 6 UIButtons. Without ... help. Thanks in advance. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
540
views
1
answer
swift - UIAlertView/UIAlertController iOS 7 and iOS 8 compatibility
I am using Swift to write an app and I need to show an alert. The app must be iOS 7 and iOS 8 ... a presentation or dismiss is in progress! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
631
views
1
answer
swift - Difference between computed property and property set with closure
I'm new to Swift. What is the difference between a computed property and a property set to a closure? I ... : 50) return lazilyCreatedPush } } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
431
views
1
answer
swift - Calling protocol default implementation from regular method
I'm wondering if it's possible to achieve such a thing. I have a Playground like this: protocol Foo { func ... to achieve the same with structs. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
784
views
1
answer
swift - Sharing data between an iOS 8 share extension and main app
Recently, I've been making a simple iOS 8 share extension to understand how the system works. As Apple states ... user credentials for an API. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
585
views
1
answer
swift - iOS 11 customise search bar in navigation bar
I want to change the color of the text and icon in the iOS 11 searchbar when it is embedded in the navigation ... 11. Any help is appreciated. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
645
views
1
answer
swift - Changing navigation title programmatically
I have a navigation bar with a title. When I double click the text to rename it, it actually says it's a ... , I want the title to change. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
585
views
1
answer
swift - Swipe-able Table View Cell in iOS 9
I want my table list to have a swipe-able menu like in iOS 8 (first introduced in iOS 7). I've found a ... to me in a neatly wrapped package. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
489
views
1
answer
swift - Downloading JSON with NSURLSession doesn't return any data
I am currently trying to download, parse and print JSON from an URL. So far I got to this point: ... from NSURL Connection to NSURLSession] See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
525
views
1
answer
swift - What is the cause of this type error?
Two questions: Why does this code fail to compile? I believe (but am not 100% sure, I may have made a mistake) that ... >(xs: self.xs.map(f)) } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
592
views
1
answer
swift - Convert String to URL (Why is resulting variable nil)
I'm trying to create an URL variable from a string value. I don't understand why the resulting URL is nil I ... .de/" but url is nil debugger See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
894
views
1
answer
swift - binary operator * cannot be applied to operands of type Int and Double
I'm trying to build a simple Swift app to calculate VAT (Value Added taxes = 20%). func taxesFree(number: Int ... var result = textfield * VAT See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
486
views
1
answer
swift - How do I detect which SKSpriteNode has been touched
I find a similar question, but I am trying to detect and identify which Sprite the user touch, and I don ... step it′s identify the sprite. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
751
views
1
answer
swift - How can I get text to wrap in a UILabel (via UIViewRepresentable) without having a fixed width?
Setting lineBreakMode to byWordWrapping and set numberOfLines to 0 does not seem to be sufficient: struct MyTextView: ... the View is". See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
526
views
1
answer
swift - ios 11 custom navbar goes under status bar
just downloaded xcode 9 and i'm having this weird issue, on ios 11 my custom navbar appears to be half in size ... left and ios10 on the right, See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
0
votes
957
views
1
answer
swift - ARKit – What do the different columns in Transform Matrix represent?
An ARAnchor's 4x4 matrix has 4 columns. The fourth column of the matrix contains 3 translate values for x, y ... the other 3 columns represent? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
swift
Page:
« prev
1
...
26
27
28
29
30
31
32
33
34
35
36
...
70
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] markdown超链接文本中含有[]和多个函数怎么不解析[]?
[2] display:none的内容如何过滤掉?
[3] spring Security自定义
[4] c++写qtcore报错
[5] 数组分组条件汇总处理
[6] vue 请求数据未发生变化的情况下如何再次传入子组件,或子组件如何正确显示
[7] email - Microsoft Exchange On Azure
[8] javascript - React Line Chart or graph to show a particular angle
[9] r - Replacing specific values with NA in a dataframe
[10] Veeam CLI Unknown Argument when Passing Arguments in Bash Script
2.1m
questions
2.1m
answers
60
comments
56.9k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...