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Why is it important to override GetHashCode when Equals method is overridden?
...s equal, it is not necessary for them to be the same; this is a collision, and Equals will be called to see if it is a real equality or not.
In this case, it looks like "return FooId;" is a suitable GetHashCode() implementation. If you are testing multiple properties, it is common to combine them ...
How to remove leading and trailing whitespace in a MySQL field?
I have a table with two fields (countries and ISO codes):
11 Answers
11
...
How add “or” in switch statements?
...e the stated purpose is to not write duplicate code as done in your case 1 and 2.
– Gary.Ray
May 11 '09 at 15:20
Usefu...
How do I get elapsed time in milliseconds in Ruby?
...) values. These operations result in second resolution which can easily be converted.
For example:
def time_diff_milli(start, finish)
(finish - start) * 1000.0
end
t1 = Time.now
# arbitrary elapsed time
t2 = Time.now
msecs = time_diff_milli t1, t2
You will need to decide whether to truncat...
What are the use(s) for tags in Go?
...ues of struct fields. Basically we need to acquire the Type of our struct, and then we can query fields e.g. with Type.Field(i int) or Type.FieldByName(name string). These methods return a value of StructField which describes / represents a struct field; and StructField.Tag is a value of type Struct...
Split an NSString to access one particular piece
...0]
Although note that it gives you an array of Substring. If you need to convert these back to ordinary strings, use map
let strings = "10/04/2011".split(separator: "/").map{ String($0) }
let firstBit = strings[0]
or
let firstBit = String(substrings[0])
...
What are the pros and cons of both Jade and EJS for Node.js templating? [closed]
...y but still want to use HTML), and for that reason if I use Jade I need to convert HTML to Jade. Also in Jade, we need to use indentations, so if your HTML structure gets complicated, your code will look horrible (especially tables). Sometimes, I don't even know what level I am at
table
thead
...
How to call base.base.method()?
...Special Derived.");
var ptr = typeof(Base).GetMethod("Say").MethodHandle.GetFunctionPointer();
var baseSay = (Action)Activator.CreateInstance(typeof(Action), this, ptr);
baseSay();
}
}
...
MySQL Update Inner Join tables query
...px = g.latitude,
b.mapy = g.longitude
WHERE (b.mapx = '' or b.mapx = 0) and
g.latitude > 0
Update:
Since you said the query yielded a syntax error, I created some tables that I could test it against and confirmed that there is no syntax error in my query:
mysql> create table business ...
Moment.js: Date between dates
...e special format, then one can able to prepare date ranges inside array by converting those dates with required format and then we can compare.
– Sajjad Ali Khan
Jan 13 '16 at 19:10
...