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Appending to an existing string
To append to an existing string this is what I am doing.
5 Answers
5
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How do I change the background color of a plot made with ggplot2
...m theme, based on theme_gray but with some of your changes and a few added extras including control of gridline colour/size (more options available to play with at ggplot2.org):
theme_jack <- function (base_size = 12, base_family = "") {
theme_gray(base_size = base_size, base_family = base_f...
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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pg_config executable not found
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I need the extra brew link postgresql
– vincentlcy
Mar 10 '16 at 8:56
1
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Visual Studio window which shows list of methods
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You will find "Options" in the menu under "Extras".
– ohgodnotanotherone
Sep 4 '17 at 8:43
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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...
A generic list of anonymous class
...
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...
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']);
...