大约有 7,000 项符合查询结果（耗时：0.0234秒） [XML]
How to disable/enable the sleep mode programmatically in iOS?
...
You can disable the idle timer as follows;
In Objective-C:
[UIApplication sharedApplication].idleTimerDisabled = YES;
In Swift:
UIApplication.sharedApplication().idleTimerDisabled = true
In Swift 3.0 & Swift 4.0:
UIApplication.shared.isIdleTimerDisabled = true
Set it back to NO or f...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
...me changes to the code and built the app again. Now when I run the application, I get this error in the console
31 Answers
...
Where to store global constants in an iOS application?
Most of the models in my iOS app query a web server. I would like to have a configuration file storing the base URL of the server. It will look something like this:
...
Get a list of all the files in a directory (recursive)
...
This code works for me:
import groovy.io.FileType
def list = []
def dir = new File("path_to_parent_dir")
dir.eachFileRecurse (FileType.FILES) { file ->
list << file
}
Afterwards the list variable contains all files (java.io.File) of the given direc...
Why should weights of Neural Networks be initialized to random numbers? [closed]
I am trying to build a neural network from scratch.
Across all AI literature there is a consensus that weights should be initialized to random numbers in order for the network to converge faster.
...
Presenting a UIAlertController properly on an iPad using iOS 8
With iOS 8.0, Apple introduced UIAlertController to replace UIActionSheet . Unfortunately, Apple didn't add any information on how to present it. I found an entry about it on hayaGeek's blog, however, it doesn't seem to work on iPad. The view is totally misplaced:
...
Printing the correct number of decimal points with cout
...
With <iomanip>, you can use std::fixed and std::setprecision
Here is an example
#include <iostream>
#include <iomanip>
int main()
{
double d = 122.345;
std::cout << std::fixed;
std::cout <<...
How do I change the color of the text in a UIPickerView under iOS 7?
...
There is a function in the delegate method that is more elegant:
Objective-C:
- (NSAttributedString *)pickerView:(UIPickerView *)pickerView attributedTitleForRow:(NSInteger)row forComponent:(NSInteger)component
{
NSString *title = @"sa...
App Inventor 2 列表代码块 · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 列表代码块 ...
How does View Controller Containment work in iOS 5?
In WWDC 2011 Session 102, Apple introduced View Controller Containment, which is the ability to create custom view controller containers, analogous to UITabBarController , UINavigationController , and the like.
...