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Javascript Shorthand for getElementById
...d for the JavaScript document.getElementById? Or is there any way I can define one? It gets repetitive retyping that over and over .
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Implementing Comments and Likes in database
...are developer. I love to code, but I hate databases... Currently, I'm creating a website on which a user will be allowed to mark an entity as liked (like in FB), tag it and comment .
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How to add a primary key to a MySQL table?
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After adding the column, you can always add the primary key:
ALTER TABLE goods ADD PRIMARY KEY(id)
As to why your script wasn't working, you need to specify PRIMARY KEY, not just the word PRIMARY:
alter table goods add column `id` ...
Javascript Equivalent to C# LINQ Select
Following this question here :
12 Answers
12
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How to implement a ViewPager with different Fragments / Layouts
...ewpager shows only two layouts at the max (second layout on all of the remaining fragments after 1).
6 Answers
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Which annotation should I use: @IdClass or @EmbeddedId
...se because with @IdClass you cannot access the entire primary key object using any field access operator. Using the @EmbeddedId you can do like this:
@Embeddable class EmployeeId { name, dataOfBirth }
@Entity class Employee {
@EmbeddedId EmployeeId employeeId;
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}
This gives a clear notion ...
Android: remove notification from notification bar
...ave created an application and with an event I manage to add notification in android notification bar. Now I need sample how to remove that notification from notification bar on an event ??
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How to define object in array in Mongoose schema correctly with 2d geo index
I'm currently having problems in creating a schema for the document below. The response from the server always returns the "trk" field values as [Object]. Somehow I have no idea how this should work, as I tried at least all approaches which made sense to me ;-)
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Android getting value from selected radiobutton
I have a piece of code with three RadioButton s within a RadioGroup . I want to set an onCheckedListener that will show the value of the RadioButton in a Toast . However what I have gotten so far is not working. How do I get the value of the RadioButton and display it in a Toast ? This is ...
postgresql: INSERT INTO … (SELECT * …)
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As Henrik wrote you can use dblink to connect remote database and fetch result. For example:
psql dbtest
CREATE TABLE tblB (id serial, time integer);
INSERT INTO tblB (time) VALUES (5000), (2000);
psql postgres
CREATE TABLE tblA (id serial, time integer)...