INNER JOIN vs. Cross APPLY

Refer from:http://explainextended.com/2009/07/16/inner-join-vs-cross-apply/INNER JOINUsed construct in SQL: It joins and together, selecting only those row combinations for which A JOIN condition is true.This query:SELECT *from table1join

Unable to send message alert message when Nagios monitoring service appears flapping status

1. Unable to send message alert message when service flapping status[1409537279] SERVICE alert:rs-07; Memory; CRITICAL; hard;2; Connection refused by host[1409537279] SERVICE flapping alert:rs-07; Memory; STARTED; Service appears to has started

Android programmer, the best way to prove that you have read Android source code. Original Kankanstyle

The first is a funny class package name: Android.utilClass Name: ConfigThis class is deprecated in API level 14. This is a not useful, it just returns the same value for all constants, and have always do this. Don't use it.  This class is deprecated

Android Projects-several common application architectures

Android Two Ways to tab page: Tabactivity and ActivitygroupHttp://www.apkbus.com/blog-70574-40942.html 1, single activity architecture (recommended) homepage is activity, inside page is view The bottom bar of the head is

Android EditText does not eject the soft keyboard

EditText does not eject the software keyboard 2011-05-17 12:291.edittext default does not eject the software keyboardMethod One:Which activity to select in Androidmainfest.xml, set Windowsoftinputmode property to Adjustunspecified|statehiddenFor

For the Apple user who loves to take a selfie, there is probably another loophole that will let you steal your private photos without being found (go)

Originally the September 9 Apple new product conference is a lot of people's big day, big and big. But this tragic news: Hackers may have used the find My Phone loophole to crack the star ICloud account, leaked indecent photos. What's more brutal is

Android Wear Control--wearablelistview (demo included)

Wearablelistview is a widget for Android small devices such as smart watch display list, can be village scrolling, very handy to display list controls on only watches, each showing three lists in the middle of the screen.It inherits the Recyclerview

The way of Android memory management

Abstract for mobile app development, whether it's Android or iOS, memory is always a pain. But a reasonable writing code avoids the advent of oom. believe that step by step of the Android practitioners, everyone will encounter oom situation. How to

Leetcode Dynamic planning trapping Rain water

This article is Senlie original, reprint please retain this address:Http://blog.csdn.net/zhengsenlieTrapping Rain WaterTotal Accepted: 14568 Total Submissions: 50810 My SubmissionsGiven n non-negative integers representing an elevation map where the

Android file copy

The recent project has helped to make a small test program that requires copying files. The code is as follows: Fixed for raw data test. private static final String raw_data_test = "***123***"; private static final String external_storage =

Android Develop Tricks-1

Android Develop Tricks Set the size of the Alertdialog:Alertdialog dialog = builder.settitle ("message list"). Setview (Layout). Create ();d ialog.show ();//Set the size of the window Dialog.getwindow (). SetLayout (300, 200);Dialog.show (); Be sure

WebForms Unobtrusivevalidationmode needs "jquery" scriptresourcemapping--Beef Brisket Press Release system

VS2011 using a validation control appears " WebForms unobtrusivevalidationmode requires" jquery "scriptresourcemapping. Please add a scriptresourcemapping named jquery (case-sensitive). "solution.Method one: Found in WebconfigDelete .Method Two:

Android solves an auxiliary class that requires a type conversion problem with the return value when using Findviewbyid

In our development work, Findviewbyid may be one of the most used functions, but it is particularly annoying that we often need to type-convert the returned view, enter the trouble, the code is ugly, for example, we used to find some child controls

Team Project Proposal:all-in-one Multi-information source consolidation mobile app--by Yuchan

In this era of information explosion, how to quickly get the information you want is a topic that many people are very interested in.As a member of the IT industry, it is one of the essential qualities to follow the development of the industry and

Android Development Note: The difference between Handler runnable and thread

There are two ways to implement multithreading in Java, one is to inherit the thread class, one to implement the Runnable interface, and the thread class to be defined in the Java.lang package. A class that inherits the thread class to overwrite the

Achieve a brush effect in Android (View in the drawing)

Recently, a project designed an app to achieve a brush and write effect through a touch screen. The traditional drawing board program directly through the path of the MoveTo and LineTo can achieve a simple line painting program. However, in order to

Ios_ Network _02_ build local server

Build an Apache (WEB) server and build a local network test environment for developmentone, the Web serverThe Web server is also known as the WWW (World WIDE Web) server, and the main function is to provide online information browsing services. a

Android get system comes with browser bookmarks

just took over a backup system browser bookmark module, now put the code out, there are a few questions please pass the Great God advice1, according to the official API should be there are several fields are availableBut in addition to the title and

iOS common error grooming continues to update

1. Mutating method sent to immutable object 'It is literally understood that mutable messages are sent to immutable objects. For example, an object of type Nsdictionary calls the SetValue method. The nsdictionary should be changed to the

Cocos2d-x tutorial (31)-scroll bar for TableView

Cocos2d-x tutorial (31)-scroll bar for TableView   In many games, we see similar features:     In, when we slide TableView, the scroll bar below will also slide. When TableView slides to both ends, the scroll bar will be scaled out

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