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How do I center align horizontal menu?
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From http://pmob.co.uk/pob/centred-float.htm:
The premise is simple and basically just involves a widthless float wrapper that is floated to the left and then shifted off screen to the left width position:relative; left:-50%. Next the nested inner element is reversed and a relative position o...
“Submit is not a function” error in JavaScript
...submit button or some other element submit. Rename the button to btnSubmit and your call will magically work.
When you name the button submit, you override the submit() function on the form.
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How is the java memory pool divided?
...able state necessary for the JVM to run, such as class definitions and the String constant pool. Note that the PermGen space is planned to be removed from Java 8, and will be replaced with a new space called Metaspace, which will be held in native memory.
reference：http://www.programcreek.com/2013...
sql query to return differences between two tables
...ies. I need to check three pieces of data in doing so, FirstName, LastName and Product.
12 Answers
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Spring Boot: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFa
...ringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(ScheduledTasks.class, args);
}
}
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Add a reference column migration in Rails 4
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Rails 4.x
When you already have users and uploads tables and wish to add a new relationship between them.
All you need to do is: just generate a migration using the following command:
rails g migration AddUserToUploads user:references
Which will create a migr...
Is it possible to specify the schema when connecting to postgres with JDBC?
...of version 9.4, you can use the currentSchema parameter in your connection string.
For example:
jdbc:postgresql://localhost:5432/mydatabase?currentSchema=myschema
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How do I create a PDO parameterized query with a LIKE statement?
...e you did "select * from table where column like ?;" and set the parameter string so: string frag = $"%{searchFragment}%"; then use frag for the parameter value. Weird
– sdjuan
Nov 8 '16 at 19:34
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What is the difference between self-types and trait subclasses?
...nt A.
Consider the following examples:
scala> trait User { def name: String }
defined trait User
scala> trait Tweeter {
| user: User =>
| def tweet(msg: String) = println(s"$name: $msg")
| }
defined trait Tweeter
scala> trait Wrong extends Tweeter {
| def n...
Check if a value exists in ArrayList
...}
}
return result;
}
Call it like this:
public static void main(String args[]) {
EmployeeModel first = new EmployeeModel("Sameer", "Developer", 25);
EmployeeModel second = new EmployeeModel("Jon", "Manager", 30);
EmployeeModel third = new EmployeeModel("Priyanka", "Tester", 2...