大约有 7,000 项符合查询结果（耗时：0.0271秒） [XML]
Mathematical functions in Swift
How do I use mathematical functions like sqrt() , floor() , round() , sin() , etc?
6 Answers
...
Get current folder path
...rectory() in your case, as the current directory may differ from the execution folder, especially when you execute the program through a shortcut.
It's better to use Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location); for your purpose. This returns the pathname where the currently exec...
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...
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...
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.
...
[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...
...docs, you have done this completely backwards.
Just ask for the 192 MTU in AI2, and start transmitting after you got the event that tells you both sides can handle the 192 size.
1 Like
...