Network Programming for iOS development-using NSURLConnection for file upload and iosnsurlconnection

Network Programming for iOS development-using NSURLConnection for file upload and iosnsurlconnection Using NSURLConnection to upload files is cumbersome. This document does not introduce the use of third-party frameworks to upload files.   Body:

Network Programming for iOS development -- get the MIMEType and iosmimetype of the file

Network Programming for iOS development -- get the MIMEType and iosmimetype of the file Sometimes we need to obtain the MIMEType information of the file. The following describes how to obtain MIMEType.   1. Search for the keyword "MIMEType" in Baidu

Swift and iosswift in ios development

Swift and iosswift in ios development  In modern computer languages, object-oriented is a very important feature of iOS, and Swift language also provides object-oriented support. In addition, in the Swift language, not only classes have the

For iOS, you can customize the startup page and ios

For iOS, you can customize the startup page and ios In normal development, there may be some special requirements for the startup page, such as adding an animation on the startup page or adding some buttons to respond to events. In recent projects,

IOS-NSMutableAttributedString Rich Text implementation, ios Rich Text implementation

IOS-NSMutableAttributedString Rich Text implementation, ios Rich Text implementation NSMutableAttributedString inherits from NSAttributedString (a string with attributes), which can achieve the effect of Rich Text easily and quickly. Not to mention,

IOS uses CoreLocation and MapKit to develop and search for nearby mall functions, corelocationmapkit

IOS uses CoreLocation and MapKit to develop and search for nearby mall functions, corelocationmapkit The Code is as follows:// // SearchNearbyShopViewController. m // SearchNearbyShop // // Created by Linzhixiao on 16/2/14. // Copyright©2016 B5m.

Network Programming for iOS development-use NSURLConnection to implement resumable download of large files + use an output stream instead of a file handle, and use nsurlsession for resumable upload

Network Programming for iOS development-use NSURLConnection to implement resumable download of large files + use an output stream instead of a file handle, and use nsurlsession for resumable upload This article explains network programming in the

POP-POPSpringAnimation, Facebook's open-source animation library pop

POP-POPSpringAnimation, Facebook's open-source animation library pop POPSpringAnimation may be the reason most people use POP it provides a spring-like animation effect; the instance source code has been uploaded to gitHub, address:

Network Programming for IOS development-File compression and decompression, and ios Network Programming

Network Programming for IOS development-File compression and decompression, and ios Network ProgrammingPreface: The QQ emoticon package uses decompression. the formats of the many emoticon files downloaded from the Internet are not image files, but

Objective, object

Objective, object During data processing, because the object types are different, the corresponding data cannot be processed. Therefore, you must convert the data types, that is, NSNumber, the reason why NSValue occurs. In short, NSNumber is to

IOS achieves three-screen reuse of circular advertisements and ios multiplexing of advertisements

IOS achieves three-screen reuse of circular advertisements and ios multiplexing of advertisements We are no longer familiar with circular advertisements during development. Today we will sort out this scrollview three-screen reuse advertisement. The

IOS NSArray array filtering and iosnsarray array Filtering

IOS NSArray array filtering and iosnsarray array Filtering   Requirement: In an array, filter out the elements in this array and in another array. That is, in an array dataArray, the elements in the dataArray array and in the filteredArray are

# DAY3 custom view, View Controller, View Controller specify view, loadView, viewDidLoad, MVC, screen rotation, memory warning,

# DAY3 custom view, View Controller, View Controller specify view, loadView, viewDidLoad, MVC, screen rotation, memory warning, # DAY3 custom view, View Controller, View Controller specify view, loadView, viewDidLoad, MVC, screen rotation, memory

Solution for failure of all certificates in the iOS-key string (invalid issuer of the certificate), ios-Key

Solution for failure of all certificates in the iOS-key string (invalid issuer of the certificate), ios-Key Today, I used Xcode to package the IPA file to my colleagues. When the result showed that the import was prompted, I was prompted for the

UICollectionView and its difference from UITableView.

UICollectionView and its difference from UITableView. Before we start, we will attach the simplest code here.-(Void) viewDidLoad {[super viewDidLoad]; UICollectionViewFlowLayout * layout = [[UICollectionViewFlowLayout alloc] init]; UICollectionView *

Core Animation 1, coreanimation

Core Animation 1, coreanimation 1 // use the view as an attribute to facilitate multiple different animations. 2 _ myView = [[UIView alloc] init]; 3 _ myView. layer. position = CGPointMake (100,100); 4 _ myView. layer. bounds = CGRectMake (0, 0,100,1

The IOS development certificate displays the "The issuer of this certificate is invalid" solution, which is issued by ios

The IOS development certificate displays the "The issuer of this certificate is invalid" solution, which is issued by ios This morning, my colleague said that our certificate was unavailable and "The issuer of this certificate is invalid ". At

The image path is null.

The image path is null._ 1. Problem description :_ In useNSString * path = [[NSBundle mainBundle] pathForResource: picName ofType: nil];When obtaining the absolute path of an image, the obtained path is null, that is, the path acquisition fails. The

IOS IM development preparation (I) XML parsing, iosim

IOS IM development preparation (I) XML parsing, iosim There are many blogs about XML parsing that I didn't want to write, but I found that they didn't talk about any details. I will talk about some details here. Where can we use XML? Currently,

IOS IM development preparation (2) install and use protobuf-objc, iosprotobuf-objc

IOS IM development preparation (2) install and use protobuf-objc, iosprotobuf-objc Google Protocol Buffer (Protobuf) is a hybrid language data standard within Google. You can download Protobuf source code on the

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