Write code when you touch android.view.viewrootimpl$calledfromwrongthreadexception:only the original thread that created a view Hierarchy can touch its views. This exception.The exception means that only the thread that created the view can manipulate the view, and it is common to assume that the view is created in a non-UI thread before this error occurs.But thi
1. Create two external files in 1.txt and 2.txt with only one data.
2. Create a logical directory and perform proper authorization:
SQL> create directory ztj1_dir as 'C: \ ztj1 \';
Directory created
Then, manually create the actual directory in the physical path, for example, create the ztj directory folder under drive c.
SQL> grant read on directory ztj1_dir to scott
Authorization successful
SQL> grant write on directory ztj1_dir to scott
Authorizati
How can we determine whether a cookie has expired or has not been created? now we want to integrate it with a third-party system and share it with cookies! Cancel synchronization now! That is, our system determines the status of the cookie value of a third-party system to execute a certain statement! If the cookie is set to expire, statement 1 is executed. If no cookie is created, statement 2 is executed! I
I have created a Cookie in a function, but can I not recognize it in another function? I created a Cookie in function a, but I did not recognize it in function B. later, I created another Cookie with the same name in function B, the browser found two cookies with the same name! Shouldn't Cookei be unique? How can there be two? My function B only recognizes it. I
We know that creating an index for a table can accelerate the query speed of the table and enhance the uniqueness of the table's columns. We also know that adding a primary key to a table can automatically create a clustered index on the primary key column, or adding a unique constraint to a table will automatically add a unique cable. Indexes created using the primary key and unique constraint cannot be deleted using the drop index. See the following
How Java object objects are created [reproduced]@author http://blog.csdn.net/mhmyqn/article/details/7943411Explicitly create an
There are 4 ways to explicitly create an object:1. Constructor : Create an object with the new statement, which is the most common way to create an object.2. Reflection : Using the Reflection method, call the Java.lang.Class or Java.lang.reflect.Constructor class newinstance () instance methods.3. Clone : Invokes the ob
Quirky 8.2 has been released as a sister project for Puppy Linux and is a Linux distribution created with a custom tool called Woof.The new version, Quirky 8.2, runs on a 64-bit x86 computer and provides incremental improvements to the previous 8.x version.The code for the Quirky Linux 8.2 x86_64 is ' Xerus ', built using Ubuntu 16.04.2 binary packages, so Xerus is compatible with all Ubuntu repositories.650) this.width=650; "src=" Http://www.linuxpro
Model: 1. Change the model file name and the class name to the corresponding table name _ model2, and change $ this-> table_name = 'table name' in the constructor '; the table names mentioned here are all modules: 1, which removes the phpcmsv9 table name prefix, and changes the module folder name to its own English name. Generally, the table name is the same as the "Install" folder: 2, change the file name under ages/ZH-CN to the module name. lang. PHP can delete this file and the ages folder on
Configure bitsCN.com for the number of temporary files created on the MySQL server
How many temporary files can be created on the MySQL server? The following gives a detailed analysis and discussion on the reasonable configuration of the number of temporary files created on the MySQL server for your reference.
Mysql
>
Show global status like '
Uiviewcontroller is created in three different waysThe first creation method is created directlyZywviewcontroller *VC = [[Zywviewcontroller alloc] init];Vc.view.backgroundColor = [Uicolor Bluecolor];The second creation method is created by storyboard Uistoryboard *testbodard = [Uistoryboard storyboardwithname:@ "Test" Bundle:[nsbundle Mainbundle]];//Get The Init
Functions created by create_function
Use PHP's built-in function to create_function the created function.
Create_function (' $item ', ' return $item; ')
Let me ask you something. Why do you create the function parameter list and function body with quotation marks??
Reply to discussion (solution)
String Create_function (String $args, String $code)Two parameters are all strings
The arguments that are
Java: use static fields and constructors to query the number of created objects. java Constructor
Problem: using static fields and constructors of a class, we can track the number of objects created by a class.
Please write a class and you can query it at any time, "How many objects have you created ?".
Program Design ideas:
Use static variables to specify a coun
it is implemented through a transfer handle?I encountered a problem when using the following code:Void cmainframe: onmenu_start (){...Hwnd = getsafehwnd ();Afxbeginthread (mythread, hwnd );...}Uint mythread (lpvoid pparam){Cmainframe * pmainfrm = (cmainframe *) (cwnd: fromhandle (hwnd) pparam ));...}Pmainfrm is obtained through the thread during execution, and access to its members is abnormal.Netizen: hewwattThe general reasons are as follows:1. Most of the mfc classes are not thread-safe, and
creating a form handleWhen the window is created, the window does not create a handle, only Application.Run (form) or form. Show () is followed by a handle, that is, the window only displays or starts the message loop before the handle! If the form is created, the form is called in the main thread. Handler, if the handle has not yet been created, referencing the
Recently write a small project yourself practiced hand, create a thread to fetch data from the network and then display it on the Recyclerview. The page can be displayed when it is written, but sometimes the requested data is displayed, sometimes not. Click on Android Monitor to see that there is a hint:Only the original thread, created a view hierarchy can touch its views.The exception means that only the thread that
Originally want to use batch processing, think of time is too troublesome ...
Immediately install PowerShell look at the help document, which has an example:
The following command looks up the last modified date in the Program Files folder later than October 1, 2005 and neitherAll executables less than 1 MB and less than MB (test found unable to run-_-!) :
Get-childitem-path $env:P rogramfiles-recurse-include *.exe | Where-object '-filterscript {($_. Lastwritetime-gt "2005-10-01")-and ($_. Le
http://blog.csdn.net/baliguan163/article/details/11720835
recommendation 34: Manage objects created by new with smart pointers We have repeatedly repeated in the previous recommendations: memory leaks are a big problem. Many techniques have been developed to address this problem, such as garbage Collection (garbage collection), smart pointer (smart pointers), and so on. Garbage collection technology has been quite eye-catching, and in Java has develop
The unauthorized deletion vulnerability of the Public Interest advertisement of Yiyun (the advertisement created by all users can be deleted)
An unauthorized operation vulnerability exists in the ad spaces created by the webmaster in the Yiyun user center, which allows attackers to delete the ad spaces created by other users.
1. log on to the user center with "ta
Reference: http://blog.krichie.com/2008/06/27/using-stsadm-o-migrateuser-on-a-re-created-account/ I see this come up quite a bit and thought I wocould show you how to work around the problem. I thought I had show this on my old blog a couple of years ago, but can't seem to find it. Scenario A user in your organization is deleted, and re-created using the same domain and samaccountname. this may have been
From: http://hi.baidu.com/zhuhailangke/blog/item/5b7b0c1392fd7b47f919b86f.html
Today, when you create a database in the query analyzer, a warning is displayed: The Table XXX has been created, but its maximum size (8926) exceeds the maximum number of bytes (8060) in each row ). If the length of the result row exceeds 8060 bytes, insert or update of the row in this table will fail.
The size of each row in a table exceeds the maximum byte of 8060. We
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