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Rails nested form with has_many :through, how to edit attributes of join model?
...to at least document it here as I as my co-worker and I just assumed rails converted linked_attributes to an array, instead of a zero indexed hash. Hopefully this tidbit helps someone in the future :)
– Daniel Doezema
May 17 '13 at 17:25
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How to select only the records with the highest date in LINQ
...t support this. If query performance is out of your consideration, you can convert table ToList before you do the query.
– Will Wu
Mar 8 '13 at 9:44
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How to create a colored 1x1 UIImage on the iPhone dynamically?
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You can use CGContextSetFillColorWithColor and CGContextFillRect for this:
Swift
extension UIImage {
class func image(with color: UIColor) -> UIImage {
let rect = CGRectMake(0.0, 0.0, 1.0, 1.0)
UIGraphicsBeginImageContext(rect.size)
le...
Best way to do Version Control for MS Excel
...-imports the modules on open. Yes, this could be potentially dangerous for converting existing spreadsheets.
This allows me to edit the macros in the modules via Emacs (yes, emacs) or natively in Excel, and commit my BZR repository after major changes. Because all the modules are text files, the st...
What is the difference between ndarray and array in numpy?
What is the difference between ndarray and array in Numpy? And where can I find the implementations in the numpy source code?
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How do I write a “tab” in Python?
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It's usually \t in command-line interfaces, which will convert the char \t into the whitespace tab character.
For example, hello\talex -> hello--->alex.
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improve th...
What does the construct x = x || y mean?
...is evaluated in a completely different way. The JS is eval in a much more "converted" boolean logic method that I too find much more confusing to read/write. The answer below titled "What is the double pipe operator" is actually a correct answer.
– Collin Chaffin
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Fast way of finding lines in one file that are not in another?
...t if they have different line endings. The command dos2unix can be used to convert the CRLF line endings to LF only.
– ZeroOne
Mar 27 at 10:30
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How to escape a single quote inside awk
... }", Phew! Both quotes have to be escaped, and both backslashes. The shell converts \\ to \ so we need \\\\ to encode \\ .
– Kaz
Jun 9 '15 at 18:19
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Authorize Attribute with Multiple Roles
...in @Tieson
I tweak a little in his answer. Instead of string.Join why not convert it to list?
Here is my answer:
public class AuthorizeRolesAttribute : AuthorizeAttribute
{
private new List<string> Roles;
public AuthorizeRolesAttribute(params string[] roles) : base()
{
R...