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Introduced Re-imagine the contract for Windows 8 Store Apps Share Contract-Right sidebar called Charm, where "sharing" is called Share Contract Example 1. Demonstrates how to develop a shared source Contracts/sharecontract/sharesource.xaml Contracts/sharecontract/sharesource.xaml.cs * * Share Contract-The right-hand sidebar is called the Charm, where "sharing" is called Share Contract * * * This example demonstrates how to develop a shar

Introduced Re-imagine the Windows 8 Store Apps Notice Toast-Basic applications See http://www.cnblogs.com/webabcd/archive/2013/06/17/3139740.html Toast-Plain Text Toast Toast-Graphic Toast Toast-toast's cue tone Toast-Eject Toast as scheduled Example 1, demo plain text toast 4 templates Notification/toast/toastwithtext.xaml Notification/toast/toastwithtext.xaml.cs * * Demo 4 templates for plain text toast * The toast XmlDocument cont

Introduced Re-imagine the Windows 8 Store Apps image processing Show pictures 9 slices of a picture WriteableBitmap Get and modify picture properties Make a "zoom/rotate/encode" operation on the picture file and save the results after the operation Example 1, the demonstration of the most basic picture display Image/display.xaml Image/display.xaml.cs * * Demo The most basic picture display * * Note: * 1, refer to the picture in packa

Introduced Re-imagine the encryption and decryption of Windows 8 Store Apps Asymmetric algorithm (RSA) Signature and authentication signature (RSA) Mutual conversion between string hex base64 binary is realized through Cryptographicbuffer Example 1. Demonstrates how to use an asymmetric algorithm (RSA) Crypto/asymmetric.xaml.cs * * Demonstrates how to use the asymmetric algorithm (RSA) */using System; Using Windows.Security.Cryptography; Usin

Selector: File Selection window, folder Selection window, File Save window Introduced Re-imagine the Windows 8 Store Apps Selector Fileopenpicker-Select a file or multiple files Folderpicker-Select a folder Filesavepicker-Save file to specified path Example 1. Demonstrates how to select a file or multiple files by Fileopenpicker Picker/fileopenpickerdemo.xaml Picker/fileopenpickerdemo.xaml.cs * * Demonstrates how to select a file or mult

uninstall the application selected, in the right position, will render the software all the binaries, can be cleared all at once.Figure: Cleanmymac Uninstall functionSince the removal of the software files is optional, so if you uninstall the software you want to keep the files, as long as the tick is removed, this setting by the user's favorite. When uninstalling the software, if the files are not purged, it is easy to cause the disk pressure, so that other software will be prone to the phenom

dr = cmd. ExecuteReader ()) {if (Dr. Read ()) {testtableexists = true; }} if (!testtableexists) {string sql= "CREATE TABLE Informations (Website nvarchar (+), UserName nvarchar (+), password nvarchar (30)) "; Sqlitecommand command = new Sqlitecommand (sql, con); Command. ExecuteNonQuery (); MessageBox.Show ("OK"); } stringSqls = string. Format ("INSERT into informations (Website, userName, password)

add conditions to the query. Now, we just need to see all the sales of the "Beverages" Category: SELECT * FROM [Category Sales for 1997] WHERE categoryname= ' beverages ' 　　 Update view You can use the following syntax CREATE OR REPLACE VIEW view_name as SELECT column_name (s) from table_name WHERE condition Now, add the Category column to the current Product List view CREATE VIEW [Current Product List] as SELECT ProductID, ProductName, Category from product WHERE Discontinue=no 　　 Undo Vi

Label:Like The LIKE operator is used to search for a specified pattern in a column in a WHERE clause, and the syntax SELECT column_name (s) from table_name WHERE columns_name like pattern 　　 Original table (Persons) Id LastName FirstName Address City 1 Adams John Oxford Street London 2 Bush George Fifth Avenue New York 3 Carter Thomas Changan Street Beij

If you develop an IOS app, you'll immediately think of Apple's development language Objective C/swift and Xcode. However, this is not the only option, and we can use other languages and frameworks entirely.One of the main alternatives is Xamarin, a cross-platform framework that allows you to develop IOS, Android and OSX, Windows apps, which use C # and Visual Studio. The biggest benefit is that Xamarin allows you to share code between IOS and Android

variants belong to three notorious malware families that specifically steal user logon creden。 for paid pornographic websites. In November 23, malicious software targeting Android devices used pornographic content to hide their real functions and used pornographic content to launch malicious attacks. This method made Android users unable to defend against attacks. Subsequently, Kaspersky researchers reminded Android users that most of the malicious apps