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Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
...ke this:
@RequestMapping(value = "/", method = RequestMethod.GET)
public String displayLogin(Model model) {
model.addAttribute("login", new Login());
return "login";
}
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When to use the brace-enclosed initializer?
...
@user1304032: A locale is not a string, therefore you wouldn't use copy initialization. A locale also does not contain a string (it might store that string as implementation detail, but that's not its purpose), therefore you wouldn't use brace initializatio...
Initialize class fields in constructor or at declaration?
...eed to use some other logic.
public class AdminTeam
{
private List<string> usernames;
public AdminTeam()
{
usernames = new List<string>() {"usernameA", "usernameB"};
}
}
or
public class AdminTeam
{
private List<string> usernames;
public AdminT...
How to get nice formatting in the Rails console
...he y method is a handy way to get some pretty YAML output.
y ProductColor.all
Assuming you are in script/console
As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y method to work:
YAML::ENGINE.yamler = 'syck'
From rub...
Assigning code to a variable
...ould add "message" as a parameter (note that I changed Action to Action<string> in order to specify a single string parameter):
Action<string> ButtonClicked = (message) => MessageBox.Show(message);
ButtonClicked("hello world!");
...
How to remove a single, specific object from a ConcurrentBag?
...currentBag the following, not efficient mind you, will get you there.
var stringToMatch = "test";
var temp = new List<string>();
var x = new ConcurrentBag<string>();
for (int i = 0; i < 10; i++)
{
x.Add(string.Format("adding{0}", i));
}
string y;
while (!x.IsEmpty)
{
x.TryTak...
Version vs build in Xcode
... Info tab for your Application Target, you should use the "Bundle versions string, short" as your Version (e.g., 3.4.0) and "Bundle version" as your Build (e.g., 500 or 1A500). If you don't see them both, you can add them. Those will map to the proper Version and Build textboxes on the Summary tab; ...
iphone/ipad: How exactly use NSAttributedString?
...re saying about Rich Text in iPhone/iPad and many knows about NSAttributedString .
9 Answers
...
How can I build XML in C#?
...Create(Console.Out);
writer.WriteStartElement("Foo");
writer.WriteAttributeString("Bar", "Some & value");
writer.WriteElementString("Nested", "data");
writer.WriteEndElement();
Finally, via XmlSerializer:
[Serializable]
public class Foo
{
[XmlAttribute]
public string Bar { get; set; }...
Using parameters in batch files at Windows command line
...mand line:
commas (",") are replaced by spaces, unless they are part of a string in
double quotes
semicolons (";") are replaced by spaces, unless they are part of a string in
double quotes
"=" characters are sometimes replaced by spaces, not if they are part of a
string in double quotes
the f...