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How do I center floated elements?
...g floats is easy. Just use the style for container:
.pagination{ display: table; margin: 0 auto; }
change the margin for floating elements:
.pagination a{ margin: 0 2px; }
or
.pagination a{ margin-left: 3px; }
.pagination a.first{ margin-left: 0; }
and leave the rest as it is.
It's the be...
SQL: How to properly check if a record exists
...
It's better to use either of the following:
-- Method 1.
SELECT 1
FROM table_name
WHERE unique_key = value;
-- Method 2.
SELECT COUNT(1)
FROM table_name
WHERE unique_key = value;
The first alternative should give you no result or one result, the second count should be zero or one.
How old is...
Should I put input elements inside a label element?
...e
</label>
Note that the third technique cannot be used when a table is being used for layout, with the label in one cell and its associated form field in another cell.
Either one is valid. I like to use either the first or second example, as it gives you more style control.
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What can you use Python generator functions for?
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Real World Example
Let's say you have 100 million domains in your MySQL table, and you would like to update Alexa rank for each domain.
First thing you need is to select your domain names from the database.
Let's say your table name is domains and column name is domain.
If you use SELECT domai...
What is a domain specific language? Anybody using it? And in what way?
...dn't list is the first one i think of: regex
– CoffeeTableEspresso
Sep 13 '19 at 0:50
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Best way to check if object exists in Entity Framework?
...t.Employees.Any()) Then ' Check if there are "any" records in the Employee table
Dim employee = From c In context.Employees Select c.PayrollNumber ' Select just the PayrollNumber column to work with
For Each item As Object In employee ' Loop through each employee in the Employees ent...
UITextField text change event
...ange method you can examine the contents of the textField, and reload your table view as needed.
You could use that and put calculateAndUpdateTextFields as your selector.
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EF LINQ include multiple and nested entities
...n, that tells Entity Framework that you want it to include data from other tables.
The Include syntax can also be in string. Like this:
db.Courses
.Include("Module.Chapter")
.Include("Lab")
.Single(x => x.Id == id);
But the samples in LinqPad exp...
DataTable: Hide the Show Entries dropdown but keep the Search box
... possible to hide the Show Entries dropdown but keep the Search box in DataTable? I want to always display 10 rows with pagination at the bottom along with search box but do not want to display the Show entries dropdown.
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How to trace the path in a Breadth-First Search?
... excellent! My thought process lead me to believe in creating some type of table or matrix, I have yet to learn about graphs. Thank you.
– Christopher Markieta
Jan 19 '12 at 7:04
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