how to use sqlite

Android projects, it is inevitable to download some third-party applications, or their own updated packages, or download video files, you will consider the use of the method of the continuation of disconnection.Then, there are about 3 ways to

1. 用ARC管理内存2. 在正确的地方使用reuseIdentifier3. 尽可能使Views透明4. 避免庞大的XIB5. 不要block主线程6. 在Image Views中调整图片大小7. 选择正确的Collection8. 打开gzip压缩9. 重用和延迟加载Views10. Cache, Cache, 还是Cache！11. 权衡渲染方法12. 处理内存警告13. 重用大开销的对象14. 使用Sprite Sheets15. 避免反复处理数据16. 选择正确的数据格式17.

Target: Can I use SQLite database to make a financial file on the PC-side desktop?Directory:Source:Practice:Summary and comparison:About SQLite dataWhat is, what is the internal structure, what is the relationship between the database and the

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Excerpt from: http://blog.csdn.net/tianyitianyi1/article/details/7713103.In the process of iOS development, no matter what the application, you will encounter the problem of data preservation. Saving the data locally allows the program to run more

In the process of iOS development, no matter what the application, you will encounter the problem of data preservation. Saving the data locally allows the program to run more smoothly without the appearance of an obnoxious chrysanthemum shape,

You may want to bulk insert a series of data when you bulk process a transaction, but when the data is added once, you do not want to add it again, just want to update the original data, for example: I want to import a series of books into the

when we use SQLite, we need to create a database to create a data table, and then execute the corresponding SQL statement, which is not conducive to the unified management of database operations, nor conform to the idea of object-oriented, when our

first, the basic introduction SQLite is a self-sustaining (self-contained), server-free, 0-configured, transactional-type relational database engine. Because he is very small, it can also be built into your application as an embedded database.

Overview The way data is stored in iOS development can be grouped into two categories: one is stored as a file and the other is stored in a database. For example, the previous iOS development Series-objective-c's foundation framework article

Use SQLite database to store pictures under iOS, convert your picture to NSData form, and add a row of BLOB data to the database Assuming that table test_table (Name,image) exists in the database, the following code writes the binary data of the

This section contains a list of:Django Basics: http://www.ziqiangxuetang.com/django/django-tutorial.html First, Django introduction Django File Description: http://www.cnblogs.com/geekmao/p/7569950.html1.web Framework IntroductionBefore you

1.Android SDK The Android Software Development Kit, which provides a development component for developing Android applications on the Windows/linux/mac platform, includes a variety of toolset for developing mobile applications on the Android

Application initialization requires a lot of data to be injected into the SQLite, and a separate use of the For+insert method causes the application to respond slowly because the default statement of the SQLite when inserting data is a transaction

SQLite, is a lightweight database, is to comply with the ACID relational database management system, its design goal is embedded, and has been used in many embedded products, it occupies very low resources, in embedded devices, may only need

Installation The Laravel framework uses Composer to perform installation and dependency management. If it's not installed, start installing Composer now. After installing composer, you can install the laravel using the command line with the

When it comes to business, it must refer to acid, the atomicity, consistency, isolation and permanence of the transaction. For a database, the ACID properties of transactions under normal and exceptional conditions are usually ensured through

In recent months, WP8 applications have been migrated to WP8.1, and many APIs have been found to have changed. One of the most impressive and unexpected of all is that "I can't find MessageBox". The groove, can not find the messagebox ... (100

One, guess data storage path Micro-letter is now suitable for all ages, the streets are in use, has replaced the traditional SMS chat way, as long as the chat must have privacy information, then this article to explain how to obtain micro-letter

First, relational database SQLite Every application uses data, and Android apps are no exception, and Android uses Open-source, OS-independent SQL databases-sqlite. SQLite First Alpha version was born in May 2000, it is a lightweight database, its