Nine Forms of Select Query for LINQ to SQL Statements

Catalog Explain simple form Anonymous type form Conditional form Specified type form Screening Forms Shaped form Nested form Local invocation method form Distinct Form Explain The query expression select is placed at the end of the expression, which is similar to the function of select in the SQL command but different in locatio ...

Added by Andre_Ng on Mon, 08 Jul 2019 06:55:25 +0300

Brief Analysis of Hammer.js Source Code

start Say last weekend idle egg pain, suddenly want to know how to deal with the front-end gesture, so as to solve their own knowledge blind spot, and began to gnaw the source code... And record it. A gesture Complex gestures in our front-end pages should be rare, usually dragging, double-clicking, zooming in and out of these, but the rational ...

Added by sledgeweb on Mon, 08 Jul 2019 01:08:57 +0300

Live NBA Text Widget Based on Python Command Line

The NBA playoff is in progress and has no choice but to go to work and watch live video.And the text live page has too many advertisements and so on, so it takes half a day to make a command line-based text live broadcast with Python 3, which is refreshing to watch but not easy for leaders to discover.The effect is as shown in the diagram: Figu ...

Added by Deivas on Sun, 07 Jul 2019 23:23:48 +0300

Overview of Bluetooth (2)

get to: Know Bluetooth Learn about Bluetooth 4.0 How to turn on Bluetooth How to scan peripheral Bluetooth devices How to Connect Bluetooth Devices How the mobile terminal communicates with the ble terminal 5. How to connect Bluetooth devices We've got the list of Bluetooth devices in the last post, and now we're connecting to the ble ter ...

Added by blui on Sun, 07 Jul 2019 19:20:16 +0300

Simple Use of Service

life cycle context.startService() ->onCreate()- >onStartCommand()->Service running--call context.stopService() ->onDestroy() context.bindService()->onCreate()->onBind()->Service running--call>onUnbind() -> onDestroy() Basic knowledge Services are generally divided into two types: Local Service is used wit ...

Added by savedlema on Sun, 07 Jul 2019 05:41:50 +0300

Countdown Tool Class: PYContDownManager

Countdown. gif On the left is the output desk and on the right is the tableView. After clicking modal, a controller stops the timer. I. Main Functions For tableViewCell, there is always the problem of multiple cell s randomly timing, so a tool class is written.It encapsulates stop countdown and start countdown. Provides the countdown unit t ...

Added by eastcoastdubs on Sun, 07 Jul 2019 01:01:08 +0300

Android Gesture Password Exploration

Android smartphones have a very high market share in the global market, and are increasingly favored by consumers.However, Android is an open source operating system, and it is easy to get root privileges. The security of Android is also one of the most important concerns for users and developers. Gesture passwords, as a convenient security m ...

Added by steved on Sat, 06 Jul 2019 21:18:31 +0300

bootstrap3-dialog: Stronger and more flexible modal boxes

As students who have used the bootstrap framework know, the bootstrap's own modal frame is not flexible enough to use, it's a chicken rib.But the nakupanda open source Author encapsulates a more powerful and flexible modal box, bootstrap3-dialog. 1. Source Download bootstrap3-dialog git download address 2. Effect Display 1.error warning box Wr ...

Added by iblackedout on Sat, 06 Jul 2019 19:06:53 +0300

Some cluttered knowledge points (3)

Some cluttered knowledge points in Android (3) 1. Define style to extract xml attributes of View Sometimes every Child in a layout has the same style, so it's too redundant to rewrite many identical attributes each time. So, extract these attributes and define them into style, as follows <!-- This is the style of the sideslip menu. ...

Added by Mobile on Fri, 05 Jul 2019 20:36:49 +0300

Write to beginners 29_android_Android privilege mechanism

Android 29_Android privilege mechanism Many people know that when accessing some system resources, or when some system settings, such as network settings, we need to apply for permissions, but they don't know why Android wants to set such things, and why they put forward run-time permissions. Android privilege mechanism Some operations a ...

Added by thecookie on Fri, 05 Jul 2019 01:41:24 +0300