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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
...L but offers additional features, most notably method invocation and basic string templating functionality."
– Fritz Duchardt
Jun 17 '15 at 8:23
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...
How to create and handle composite primary key in JPA
...ddedId
private MyKey myKey;
@Column(name = "ColumnA")
private String columnA;
/** Your getters and setters **/
}
@Embeddable
public class MyKey implements Serializable {
@Column(name = "Id", nullable = false)
private int id;
@Column(name = "Version", nullable = fa...
How can I pretty-print JSON using node.js?
...
JSON.stringify's third parameter defines white-space insertion for pretty-printing. It can be a string or a number (number of spaces). Node can write to your filesystem with fs. Example:
var fs = require('fs');
fs.writeFile('te...
C# Pass Lambda Expression as Method Parameter
...mbda)
{
using (SqlConnection connection = new SqlConnection(getConnectionString())) {
connection.Open();
return connection.Query<FullTimeJob, Student, FullTimeJob>(sql,
lambda,
splitOn: "user_id",
param: parameters).ToList<IJob>();
}
}
You woul...
pass **kwargs argument to another function with **kwargs
...
# this yields the same error as any other positional argument
foo(3)
foo("string")
Here you can see how unpacking a dictionary works, and why sending an actual dictionary fails
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What does Html.HiddenFor do?
...nsider the following ViewModel class:
public class ViewModel
{
public string Value { get; set; }
public int Id { get; set; }
}
Now you want the edit page to store the ID but have it not be seen:
<% using(Html.BeginForm() { %>
<%= Html.HiddenFor(model.Id) %><br />
...
How to catch SQLServer timeout exceptions
...ntly. I know I could catch the SqlException and then check if the message string Contains "Timeout" but was wondering if there is a better way to do it?
...
Pass parameter to controller from @Html.ActionLink MVC 4
...ag.Name }, htmlAttributes:null )
Controller:
public ActionResult About(string name)
{
ViewBag.Message = "Your application description page.";
ViewBag.NameTransfer = name;
return View();
}
And the URL looks like
http://localhost:50297/Home/A...
git: switch branch without detaching head
...eckout localname
git push origin
For convenience, you may use the same string for localname & branchname
When you checked out origin/branchname you weren't really checking out a branch.
origin/branchname is a "remote" name, and you can get a list of them with
branch -a
If you have colo...
Update git commit author date when amending
...erything is much easier than original answer made us think, just use empty string!
git commit --date= --amend
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