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Is the SQL WHERE clause short-circuit evaluated?
...ltiple tables, or preferably a view.
Very handy, not entirely sure of the extra work that it gives to the db engine.
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Determine which element the mouse pointer is on top of in JavaScript
...gler may not asking exactly the same question:), hope it will provide some extra input.
There are actually two different approaches to get a list of all elements the mouse is currently over (for newer browsers, perhaps):
The "structural" approach - Ascending DOM tree
As in dherman's answer, one can ...
How do I stop Entity Framework from trying to save/insert child objects?
...like this:
public class City
{
public int Id { get; set; }
public string Name { get; set; }
}
public class School
{
public int Id { get; set; }
public string Name { get; set; }
[Required]
public City City { get; set; }
}
And you might do the School insertion like this (a...
How to change collation of database, table, column?
...as easy to run in MySQL Workbench, copy the rows and paste. I just did the extra step to run the above for information_schema.tables and the code in concat ALTER TABLE 'schema'.'table' CHARACTER SET = utf8mb4 , COLLATE = utf8mb4_bin ;
– Pierre
Jan 31 '19 at 16:...
How to read json file into java with simple JSON library
...));
for (Object o : a)
{
JSONObject person = (JSONObject) o;
String name = (String) person.get("name");
System.out.println(name);
String city = (String) person.get("city");
System.out.println(city);
String job = (String) person.get("job");
System.out.println(job);...
include antiforgerytoken in ajax post ASP.NET MVC
... [HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Index(string someValue)
{
return Json(new { someValue = someValue });
}
}
View:
@using (Html.BeginForm(null, null, FormMethod.Post, new { id = "__AjaxAntiForgeryForm" }))
{
@Html.AntiForgeryToken()
}
<div...
Action Image MVC3 Razor
...nsion method for the code above:
// Extension method
public static MvcHtmlString ActionImage(this HtmlHelper html, string action, object routeValues, string imagePath, string alt)
{
var url = new UrlHelper(html.ViewContext.RequestContext);
// build the <img> tag
var imgBuilder = ...
C++ Best way to get integer division and remainder
...and the struct access is optimized away) is a bigger penalty than doing an extra division instruction.
– pezcode
Aug 15 '11 at 20:42
...
Convert a Git folder to a submodule retrospectively?
... can be replaced with the name of a branch if the submodule should only be extracted from this branch.
– adius
Jan 29 '15 at 13:43
...
Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;
...ng 16!)
I added an external JAR to both those projects and pointed it to \extras\android\v4...
And also removed the v4 jar I had in their libs folders.
Clean all projects and re-build.
Voilla!
The exact error I was receiving: Unable to execute dex: Multiple dex files define Landroid/support/v4/v...