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Does Foreign Key improve query performance?
...the foreign key relationship already inforces that for you.
So this:
select p.ProductId, p.Name, c.CategoryId, c.Name AS Category
from Products p inner join ProductCategories c on p.CategoryId = c.CategoryIdwhere c.CategoryId = 1;
Becomes this:
SELECT p.ProductId, p.Name, c.CategoryId, c.N...
Receiving login prompt using integrated windows authentication
...click on your site in IIS under the Sites folder
Click Edit Permissions...
Select the Security tab
Under the Group or usernames section click the Edit... button
In the Permissions pop up, under the Group or user names click Add...
Enter [Domain Users] in the object names to select text area and clic...
Why does the Scala compiler disallow overloaded methods with default arguments?
...lly I added an implicit conversion to the class in one case which did just convert the alternative type to the type accepted. It just feels ugly. And the approach with the default args should just work!
– soc
Jan 10 '11 at 22:52
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How to insert an element after another element in JavaScript without using a library?
...acent
will lose properties of the element such as events because outerHTML converts the element to a string. We need it because insertAdjacentHTML adds content from strings rather than elements.
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Is there a best practice for generating html with javascript
...$.template('<div><img src="${url}" />${name}</div>');
$(selector).append( t , {
url: jsonObj.url,
name: jsonObj.name
});
I say go the cool route (and better performing, more maintainable), and use templating.
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filter for complete cases in data.frame using dplyr (case-wise deletion)
...function which lets you specify columns (basically everything which dplyr::select can understand) which should not have any NA values (modeled after pandas df.dropna()):
drop_na <- function(data, ...){
if (missing(...)){
f = complete.cases(data)
} else {
f <- complete....
How to access session variables from any class in ASP.NET?
...
and if you want to convert to HttpSessionStateBase: HttpSessionStateBase session = new HttpSessionStateWrapper(HttpContext.Current.Session); re: stackoverflow.com/questions/5447611/…
– sobelito
Oct 26 '1...
javac option to compile all java files under a given directory recursively
...istributed over several packages like this: com.vistas.util , com.vistas.converter , com.vistas.LineHelper , com.current.mdcontect .
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Set the maximum character length of a UITextField
..., newValue, .OBJC_ASSOCIATION_RETAIN)
addTarget(self, action: #selector(checkMaxLength), for: .editingChanged)
}
}
@objc func checkMaxLength(textField: UITextField) {
guard let prospectiveText = self.text,
prospectiveText.count > maxLength
...
Why am I getting tree conflicts in Subversion?
...ecursively (-R), starting from the current directory (.).
In TortoiseSVN, selecting "Resolved" on right click, actually resolves this issue.
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