Through the analysis of Viewpager event processing, it is found that the key point to solve this problem is to determine whether the part that can be slid horizontally, that is, CanScroll (View, boolean, int, int, int) methodIn this method, recursively determine whether the sub-view can slide horizontally, and in the last row to determine whether you can slide horizontally. The key point is to call the viewcompat.canscrollhorizontally (View, int) method to determine if you can swipe sideways. Se
some processing logic before or after an action method executes, and in ASP. MVC2, an action filter is provided that allows the actio of a particular controller n method, in fact, sometimes you want to do something like that for all actions, MVC3 allows you to add filters to the Globalfilters collection to create a global filter.
the new ViewBag property The controller in MVC2 supports the ViewData property, allowing the data to be passed to the view template via a later-bound dictionary, whi
The day before yesterday installed in CentOS python2.7.12 and python3.5.2, today to install two versions of PIP, from the official download get-pip.py, using Python get-pip.py, error, unable to install. By looking for the reason, it was finally installed.Let me explain here:1. Problems that arise1), no zlib library2), no Httpshander library2. SolutionBefore the two versions of Python are installed, two libr
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Note: The obvious difference between posix and perl is whether to add a slash. Therefore, compared with ereg, the latter adds two "/" symbols before and after the regular expression.Tips: this problem does not occur in php5.2 or earlier versions.
Function ereg () is deprecated in drupal-6.15 \ Program des \ file. inc on line 904Open the file. inc in a good text editor other than notepad, go to the line number 904 to see the following line. then comm
Make array_column () functions compatible with PHP earlier versions
Array_column () is a very useful php Data function. It is mainly used to obtain a set of values in a column of a two-dimensional array and then form a new array, however, this function only supports php 5.5 and later versions. Therefore, we provide an implementation method for php 5.5 and later versions
Recently it took a long time to do this, because Deepin under python has two versions, and none of the pipis installed, the previous blog post is installed by default Pip Give python2.7 , the result of various problems, here will be the detour before the integration:First, install pipDownload get-pip.py, put this py file into the corresponding python version to execute it will be installed in the corresponding version folderWhen used, if multiple
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This method is also described on MSDN, see http://msdn.microsoft.com/en-us/library/bbx34a2h (VS.100). aspx
However, the problem still persists after compilation using this method, but the problem can be clearly locked to the. net runtime environment.
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Run again to solve the problem
Androidsystem from -years to now ( .years4months), the eight-year time version from1.0has risen to6.0, sinceAndroidsystem update speed, resulting in the marketAndroidthe device is runningAndroidThe system version is different (professional terminology is called fragmentation serious) .Year's latestAndroidversion distribution map (up to .years1months), you can know that the current mainstream system is three, but still some version of the system is still in use, as Android program developers, mus
Recently installed in Ubuntu16.04 python3.5 and the system comes with the python2.7.13, summarize the different versions of the switching problem.
Alias: Aliases
BASHRC: Personal Profile
First, modify the Python version (for users)To modify a Python version for a particular user, simply create one (alias) in its home directory alias . Open the user's ~/.bashrc file and add the new alias information to modify the Python version that i
Load multiple different versions of the JQuery method on the same page:1234567Ten One A the - at - - load multiple different versions of jquery on the same page - - -Same page, loading different versions of jquery
Because the company uses the spring version is too high, in the integration of swagger, there will be some problems, and many of the online instances are mostly version of the lower, in order to be friends less than the pit, my side will integrate the process to record:
Introduce spring, swagger related jar packages (Springfox-swagger2, Springfox-swagger-ui), CONFIGURED in Pom.xml:
Note: In particular, SPRINGFOX-SWAGGER2 has introduced spring-related jars in the integration, especi
Because the company uses the spring version is too high, in the integration of swagger, there will be some problems, and many of the online instances are mostly version of the lower, in order to be friends less than the pit, my side will integrate the process to record:1. Introduce the spring, swagger related jar packages (Springfox-swagger2, Springfox-swagger-ui), CONFIGURED in Pom.xml:2.4.02.4.0Note: In particular, SPRINGFOX-SWAGGER2 has introduced spring-related jars in the integration, espec
Because the company uses the spring version is too high, in the integration of swagger, there will be some problems, and many of the online instances are mostly version of the lower, in order to be friends less than the pit, my side will integrate the process to record:1. Introduce the spring, swagger related jar packages (Springfox-swagger2, Springfox-swagger-ui), CONFIGURED in Pom.xml:2.4.02.4.0Note: In particular, SPRINGFOX-SWAGGER2 has introduced spring-related jars in the integration, espec
Java programming language, in the rapid change of the Internet in the field for many years to stand, enough to see the Java language exuberant vitality, so there will be many people want to enter the Internet field of friends, want to learn Java to change the development. But what are the versions of Java that are called "interlacing as Foster"? Java is an object-oriented programming language, not only absorbs the various advantages of the C + + langu
Java currently has 1.6, 1.7, and 1.8 versions of the JDK in the production environment, with 1.6, 1.7, and discontinued updates,1.8 Patch Update to 172, will be discontinued in early 2019, when the need to update the service can be purchased (Java SE Advanced, Java se Suite).At present the latest version of Java 10.0,java version of the current change is relatively large, just tested a bit myeclipse can not use the normal jdk9.In this case, there are
Because of the need for work, it is often necessary to switch to JDK versions like my home directory with three JDK versions:~/apt/jdk1. 6 . 0_34 # JDK6~/apt/jdk1. 7 . 0_67 # JDK7~/apt/jdk1. 8. 0_05 # JDK8such as compiling Android complete system source code, Google recommends the use of JDK6In the implementation of the work, due to the actual needs of the project, to use JDK7 to implement some toolsTo make
jquery multiple versions or and other JS library conflicts are mainly commonly used in the $ symbol of the problem, this problem jquery early on to give us reservations processing methods, the following to see the solution.
1. Multiple versions of jquery or conflict resolution for the same page.
2. Same page jquery and other JS Library conflict resolution method
JQuery noconflict () method
Windows 2012 systems naturally support the ASP.net 4.5 framework, just as the Windows 2008 system defaults to support asp.net 3.5. We can also install 3.5 frames in 2012 systems, allowing IIS to support ASP.net 2.0/3.5/4.0/4.5 multiple versions at the same time.
Note that the four mentioned here. NET Framework version, in fact, has been merged into two. ASP.net 3.5 is an upgraded version of. NET 2.0, and ASP.net 4.5 is an upgraded version of. NET 4.0
shell script to switch JDK
For an operating system to compile multiple versions of Android, it is often necessary to switch the JDK, while the general switch requires several command lines to be entered, and it is hard to remember that, in order to solve a problem, this provides the purpose of switching JDK using the shell script;Here take my virtual machine installed Ubuntu16.04 Desktop version of the system as an example; 1. To determine the instal
How many versions does the Millet notebook air have?
According to the news release, Millet notebook air is divided into 2 versions, including Millet notebook air 13.3 and millet notebook air 12.5, the two mainly based on the screen and configuration is different, The former is a 13.3-inch screen, the latter is a 12.5-inch screen, in addition to both the hardware configuration and price, and so there are si
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