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 objective
0
votes
279
views
1
answer
objective c - Core Text calculate letter frame in iOS
I need to calculate exact bounding box for every each character (glyph) in NSAttributedString (Core Text) ... CGContextRestoreGState(context); } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
298
views
1
answer
objective c - How can I connect iPhone and web service and get XML data?
I know how to connect to web server using an iPhone but now I have to connect the iPhone to a web service ... . Does anyone have any ideas? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
386
views
1
answer
objective c - Declare a block method parameter without using a typedef
Is it possible to specify a method block parameter in Objective-C without using a typedef? It must be, like ... other combinations I've tried. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
358
views
1
answer
objective c - How do I debug with NSLog(@"Inside of the iPhone Simulator")?
I'm used to programming and having log messages be viewable. I know you used to be able to use ... an iPhone Xcode development environment? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
459
views
1
answer
objective c - Do I set properties to nil in dealloc when using ARC?
I am trying to learn Automatic Reference Counting in iOS 5. Now the first part of this question should be easy: ... about this when using ARC. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
540
views
1
answer
objective c - How do I convert NSMutableArray to NSArray?
How do I convert NSMutableArray to NSArray in objective-c? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
604
views
1
answer
objective c - How do you print out a stack trace to the console/log in Cocoa?
I'd like to log the call trace during certain points, like failed assertions, or uncaught exceptions. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
321
views
1
answer
objective c - Iphone: Checkmarks in UITableview get mixed up when scrolling
I have a bit of a problem where my check marks that i apply to my rows in my UITableView ... accessoryType = UITableViewCellAccessoryNone; } } See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
300
views
1
answer
objective c - iphone: try end try
Is there in objective-C any way to see if it is possible to do a certain task without risking crash the ... what is the syntax? thanks. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
325
views
1
answer
objective c - object with the name of a string
if I create an object of a class, I do: Item *item01 = [[Item alloc] init]; but how do I give it a name I ... ??? = [[Item alloc] init]; thanks! See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
289
views
1
answer
objective c - ios: using the same sqlite parameter more than once causes premature memory deallocation
Note: the question is misleading.. i thought it was using more than one parameter that causes a ... libsystem_c.dylib`_pthread_wqthread + 441 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
409
views
1
answer
objective c - NSDateFormatter producing (null) SQLite and iOS 5.1
Maybe somebody can help explain why I am getting a null value when converting a string to a date. It all ... circles. Any help much appreciated. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
294
views
1
answer
objective c - Getting an array of a property from an object array
I need to extract an array of a single property from a custom object array. eg. @interface MyClass : NSObject { ... the PHP and LINQ sections. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
303
views
1
answer
objective c - Why is my comparing if statement not working?
Why is the following code (in cocoa) not working? NSString *extension = [fileName pathExtension]; NSString * ... think it SHOULD do. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
572
views
1
answer
objective c - symbol(s) not found for architecture armv6
Please help me from the below error. I am working on graphs using 3rd party framework (libIPhonecharting), every ... ld returned 1 exit status See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
414
views
1
answer
objective c - Why is my string potentially unsecure in my iOS application?
I am initializing a mutable string and then logging it as follows. NSMutableString* mStr = [[NSMutableString ... potentially insecure). Why? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
393
views
1
answer
objective C: write in a csv (txt) string contained in some textfield
In my project I have a view where I write words in some textfield, when I press a button these string must ... csvString); is exactly my string See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
607
views
1
answer
objective c - In 10. power / calculation / Power calculations
i am working on an apps for calculating fuel... i need to know how i can power a number in 10? the Excel code is "10^1.5" See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
586
views
1
answer
objective c - iOS 5 Black screen after segue
I have an iOS 5 application with a storyboard and two scenes. Scene 1 is a selection list while Scene 2 shows ... 't see anything on my screen. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
602
views
1
answer
objective c - Fetching IP address of router to which iPhone is connected
I want to fetch the IP address of the router (WiFi access point) to which my iPhone is connected wirelessly. The ... help with a piece of code? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
413
views
1
answer
objective c - How to inherit from NSDictionary?
I have an object called Settings that inherits from NSMutableDictionary. When I try to initialize this object using ... am I missing? Thanks See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
477
views
1
answer
objective c - Removing object from NSMutableArray
I stumbled across the following shortcut in setting up a for loop (shortcut compared to the textbook examples I ... to use the longer format? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
354
views
1
answer
objective c - Removing leading zeroes from a string
I have a string 0023525631 but what I want is the string 23525631 -- without the leading zeroes. How do I do this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
257
views
1
answer
objective c - why most of the objects we create in iphone are pointers
why most of the objects we create in iphone are pointers..? like i create NSString *str, NSMutableDictionary *dict.. etc See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
376
views
1
answer
objective c - Book App Tutorial iphone
I am totally beginner in programming. I played a bit with xcode. But my question is: How to make an ... you for your attention and help. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
340
views
1
answer
objective c - Shifting view after displaying modal - possibly AutoLayout related
I present a simple view with a couple of labels and a button, all inside a UIScrollView and laid ... . BEFORE PRESENTATION AFTER PRESENTATION See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
273
views
1
answer
objective c - How to display application icon in menubar even application is quit
My application shows a icon in the menu bar but when the application is quit the icon goes off from the menu bar ... even it is quit. Thanks. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
0
votes
363
views
1
answer
objective c - Passing data between classes
I have developed a quiz game and everything works really well but there is a thing I want to improve: My ... better solution? Thanks in advance See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
objective
Page:
« prev
1
...
64
65
66
67
68
69
70
71
72
73
74
...
113
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] 关于flutter, ( ..as List).cast()后面方法的用处
[2] python - Controlling PyInstaller dependencies
[3] reactjs - how to update old avatar image once new image uploaded without refresh
[4] python - How to compute auc score manually without using sklearn?
[5] mac os docker build dockerfile volume 目录创建失败?
[6] Trying to use Python to start a bat file which starts a Minecraft Server
[7] react native - Retrieving multiple objects from Django REST API
[8] 引入vue-pdf 报错 message:Invalid PDF structure
[9] java - Log4j alternative for Cross-platform Logging system
[10] grpc 如何将model数据转换为proto生成的结构体返回?
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
...