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If isset $_POST
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This comparison table is very helpful for things like this php.net/manual/en/types.comparisons.php
– A Star
Jun 4 '13 at 22:16
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Why can't I define a static method in a Java interface?
...h models observed behavior accurately.
Pretend that each class has a hash table that maps method signatures (name and parameter types) to an actual chunk of code to implement the method. When the virtual machine attempts to invoke a method on an instance, it queries the object for its class and loo...
SQL command to display history of queries
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For MySQL > 5.1.11 or MariaDB
SET GLOBAL log_output = 'TABLE';
SET GLOBAL general_log = 'ON';
Take a look at the table mysql.general_log
If you want to output to a log file:
SET GLOBAL log_output = "FILE";
SET GLOBAL general_log_file = "/path/to/your/logfile.log"
SET GLOBAL g...
Are custom elements valid HTML5?
...where. See also the WebComponents.js github page & web browser support table.
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Count immediate child div elements using jQuery
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I was just wondering on Friday how to count table columns with jQuery. I'll have to try a similar approach: $('#table > th').size().
– Jim Schubert
Dec 20 '09 at 22:16
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How to Select Every Row Where Column Value is NOT Distinct
...o use Inner Join as a better option to this problem.
Considering the same table this could give the result
SELECT EmailAddress, CustomerName FROM Customers as a
Inner Join Customers as b on a.CustomerName <> b.CustomerName and a.EmailAddress = b.EmailAddress
For still better results I wou...
How does Django's Meta class work?
...odel. It defines such things as available permissions, associated database table name, whether the model is abstract or not, singular and plural versions of the name etc.
Short explanation is here: Django docs: Models: Meta options
List of available meta options is here: Django docs: Model Meta op...
Using a strategy pattern and a command pattern
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I'm including an encapsulation hierarchy table of several of the GoF design patterns to help explain the differences between these two patterns. Hopefully it better illustrates what each encapsulates so my explanation makes more sense.
First off, the hierarchy list...
win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...服务
b. 然后在my.ini文件中的[mysqld]下面一行添加skip_grant_tables (加上这句话,my.ini一般在mysql的data目录)
c. 再次输入mysql -u root -p ,这时cmd将切换成mysql模式
输入: UPDATE user SET Password=PASSWORD('newpassword') where USER='root';(注意...
Performing Inserts and Updates with Dapper
...time you can do the following
val = "my value";
cnn.Execute("insert into Table(val) values (@val)", new {val});
cnn.Execute("update Table set val = @val where Id = @id", new {val, id = 1});
etcetera
See also my blog post: That annoying INSERT problem
Update
As pointed out in the comments, t...