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introduce This is the third reading note (introduction to soul) of the Red Treasure Book (3rd edition of JavaScript Advanced Programming). It has the knowledge content of the remaining 3rd chapter. Of course, it also has my own understanding. Red Treasure Book can be said to be difficult to gnaw, it is not easy to read, rather thick, to unders ...

In the previous section, we had a preliminary understanding of Fragment, learning about concepts, life cycle, Fragment management and Fragment transactions, and dynamic and static loading of Fragments. Beginning with this section, we will explain some examples of Fragments in actual development. And what this section explains to you is the real ...

1. character stream 1.1 All files are stored in bytes. What we usually save on disk is not the characters of files, but the characters are converted into bytes first, and then stored on disk. When reading a file, it is also a byte-by-byte read, and then generates a sequence of bytes. 1.2 Byte streams can handle any object, but character streams ...

Preface to this section Before I talk about this section, I will talk about the layout of Drawable xml. Why should I talk about this first? Because I found that this is used in many of the layout of Ui in the following explanation, for fear that you will not understand it, so today we will talk about Drawable's knowledge points first. Android o ...

charAt(int index) Function: Gets a single character at the specified subscript position s = "abc"; char c = charAt(2); toUpperCase() Capitalize a string and assign it to a variable s = s.toUpperCase(); print(s); toLowerCase() Lowercase the string and assign it to a variable length() length compareTo(String anotherString) C ...

1. The concept of stack Stack: Queue first, first in first out, automatic allocation and release by the operating system, storage function parameter values, local variable values, etc. It operates in a manner similar to a stack in a data structure. Heap: In general, the space allocated dynamically is allocated and released by the programme ...

Click here to enter: Fast Construction of APP Series Catalog Map from Zero Click here to enter: UI Programming Series Directory Map Click here to enter: Four Component Series Catalog Map Click here to enter: Data Network and Thread Series Directory Map This section routine download address: WillFlowFragment How do we use d ...

I. Preface Recently, blogs have been updating slowly because they are busy with new products. In order to facilitate users to pay, new products need Alipay scan code access. It fell to me. The product is desktop software under Windows system, which generates two-dimensional code payment through software. The interface is written in native MVVM. ...

Here we summarize some tips in iOS development, which can greatly facilitate our development and continue to update. Top Blank Processing under the Group Style of UITableView //Header blank processing of grouping list UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 0.1)]; self.tableView.tableHeaderView = view; Remove ...

On Fastandrutils Fastandrutils is a set of commonly used tools for android development, including customized view controls. This can reduce copy and paste code, thereby reducing duplicate code, and do not need to go to Google Baidu for a common function, so that the code is more concise, so that development is more efficient. At the same tim ...