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How to delete or add column in SQLITE?
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SQLite supports a limited subset of ALTER TABLE. The ALTER TABLE command in SQLite allows the user to rename a table or to add a new column to an existing table. It is not possible to rename a column, remove a column, or add or remove constraints from a table.
You can:
create new table as ...
Difference between innerText, innerHTML, and childNodes[].value?
What is the difference between innerHTML , innerText and childNodes[].value in JavaScript?
11 Answers
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How do you use variables in a simple PostgreSQL script?
For example, in MS-SQL, you can open up a query window and run the following:
10 Answers
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How do I make a textarea an ACE editor?
... make a textarea an Ace editor itself. You should create an additional div and update textarea using .getSession() function instead.
html
<textarea name="description"/>
<div id="description"/>
js
var editor = ace.edit("description");
var textarea = $('textarea[name="description"]')....
Custom circle button
I want to create custom button and I need it to be circle. How can I create a circle button?
I do not think that be possible with draw9patch.
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Escape quote in web.config connection string
...n't, have you tried some of the other string escape sequences for .NET? \" and ""?
Update 2:
Try single quotes for the connectionString:
connectionString='Server=dbsrv;User ID=myDbUser;Password=somepass"word'
Or:
connectionString='Server=dbsrv;User ID=myDbUser;Password=somepass&quot;word'
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How to perform Callbacks in Objective-C
... of the selector.
Next you have some object be the delegate of "MyClass" and MyClass calls the delegate methods on the delegate as appropriate. If your delegate callbacks are optional, you'll typically guard them at the dispatch site with something like "if ([delegate respondsToSelector:@selector(...
How can I display just a portion of an image in HTML/CSS?
...age you want to display as a background in a container (td, div, span etc) and then adjust background-position to get the sprite you want.
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How can prepared statements protect from SQL injection attacks?
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The idea is very simple - the query and the data are sent to the database server separately.
That's all.
The root of the SQL injection problem is in the mixing of the code and the data.
In fact, our SQL query is a legitimate program.
And we are creating s...
Why are nested weights bad for performance? Alternatives?
...easurements
increase exponentially.
It's better to use RelativeLayouts and adjust your view according to the places of other views without using specific dpi values.
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