大约有 46,000 项符合查询结果（耗时：0.0818秒） [XML]
getting type T from IEnumerable
...yEnumerable.GetType().GetGenericArguments()[0];
Thusly,
IEnumerable<string> strings = new List<string>();
Console.WriteLine(strings.GetType().GetGenericArguments()[0]);
prints System.String.
See MSDN for Type.GetGenericArguments.
Edit: I believe this will address the concerns in ...
Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
... result you're after in almost all cases on its own (apart from whitespace strings, which for some reason return true), so parseInt vs parseFloat seems irrelevant in this context. I certainly can't find a single input to that function where parseInt makes a difference.
– Thor84...
String comparison in bash. [[: not found
I am trying to compare strings in bash. I already found an answer on how to do it on stackoverflow . In script I am trying, I am using the code submitted by Adam in the mentioned question:
...
How to convert hex to rgb using Java?
...@param colorStr e.g. "#FFFFFF"
* @return
*/
public static Color hex2Rgb(String colorStr) {
return new Color(
Integer.valueOf( colorStr.substring( 1, 3 ), 16 ),
Integer.valueOf( colorStr.substring( 3, 5 ), 16 ),
Integer.valueOf( colorStr.substring( 5, 7 ), 1...
'id' is a bad variable name in Python
...emoved it. What a poorly named method! A generic, common name used in thousands of places (where context gives meaning). So someone decided to use it as a global name where there is no context?
– Basic
Jul 26 '16 at 14:27
...
Display number with leading zeros
...}".format(1))
For Python 3.6+ the same behavior can be achieved with f-strings:
print(f"{1:02d}")
share
|
improve this answer
|
follow
|
...
How to do an update + join in PostgreSQL?
... -- joined table
WHERE
a.abiturient_id = b.id AND -- JOIN ON clause
a.documents_taken_at::date < b.certificate_issued_at -- Subquery WHERE
As you can see, original subquery JOIN's ON clause have become one of WHERE conditions, which is ...
Is there a built-in function to print all the current properties and values of an object?
...entation:
__repr__(self) Called by the repr() built-in function and by string
conversions (reverse quotes) to
compute the "official" string
representation of an object. If at all
possible, this should look like a
valid Python expression that could be
used to recreate an object with t...
'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
...k to the database.
For 0000-00-00, I suggest checking the date value as a string, then changing it to ("y",1), or ("yyyy-MM-dd",0001-01-01), or into any invalid MySQL date (less than year 1000, iirc). MySQL has another "feature": low dates are automatically converted to 0000-00-00.
I realize my su...
Can I change the color of auto detected links on UITextView?
..., just created a regular CSS for the tag.
I used something like this:
NSString * htmlString = [NSString stringWithFormat:@"<html><head><script> document.ontouchmove = function(event) { if (document.body.scrollHeight == document.body.clientHeight) event.preventDefault(); } </s...