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ASP.Net MVC: How to display a byte array image from model
...
Something like this may work...
@{
var base64 = Convert.ToBase64String(Model.ByteArray);
var imgSrc = String.Format("data:image/gif;base64,{0}", base64);
}
<img src="@imgSrc" />
As mentioned in the comments below, please use the above armed with the knowledge that although th...
Spring Data: “delete by” is supported?
...elete from User u where u.firstName = ?1")
void deleteUsersByFirstName(String firstName);
}
Update:
In modern versions of Spring Data JPA (>=1.7.x) query derivation for delete, remove and count operations is accessible.
public interface UserRepository extends CrudRepository<User, Long&...
How do I convert a String object into a Hash object?
I have a string which looks like a hash:
13 Answers
13
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Is there a way to pass optional parameters to a function?
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2 extra lines to give better introspection is worth it. With this if you run help(func) you get a clearer idea how the argument is interpreted if not passed explicitly.
– Tadhg McDonald-Jensen
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A generic list of anonymous class
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Here is the answer.
string result = String.Empty;
var list = new[]
{
new { Number = 10, Name = "Smith" },
new { Number = 10, Name = "John" }
}.ToList();
foreach (var item in list)
{
result += String.Format("Name={0}, Number={1}\n...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...y objects returned.
Consider:
class House
{
int Id { get; set; }
string Address { get; set; }
Person[] Inhabitants { get; set; }
}
class Person
{
string Name { get; set; }
int HouseId { get; set; }
}
and tables with a similar structure. A single query for the address "22 Va...
wait() or sleep() function in jquery?
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There is an function, but it's extra:
http://docs.jquery.com/Cookbook/wait
This little snippet allows you to wait:
$.fn.wait = function(time, type) {
time = time || 1000;
type = type || "fx";
return this.queue(type, function() {
var s...
PostgreSQL query to return results as a comma separated list
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SELECT string_agg(id::text, ',') FROM table
Requires PostgreSQL 9.0 but that's not a problem.
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How to make a div with no content have a width?
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Use min-height: 1px; Everything has at least min-height of 1px so no extra space is taken up with nbsp or padding, or being forced to know the height first.
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MySQL integer field is returned as string in PHP
...from a MySQL database using PHP the datatype will always be converted to a string. You can convert it back to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
$id = intval($row['userid']);
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