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What is a method group in C#?
...often encountered an error such as "cannot convert from 'method group' to 'string'" in cases like:
5 Answers
...
Why does “,,,” == Array(4) in Javascript?
...
Because the right hand operand is converted to a string and the string representation of Array(4) is ,,,:
> Array(4).toString()
",,,"
If you use the array constructor function and pass a number, it sets the length of the array to that number. So you can say you hav...
What is Dependency Injection and Inversion of Control in Spring Framework?
...Consider a class Employee
class Employee {
private int id;
private String name;
private Address address;
Employee() {
id = 10;
name="name";
address = new Address();
}
}
and consider class Address
class Address {
private String street;
private String city;
...
How to detect Safari, Chrome, IE, Firefox and Opera browser?
...ng for browser reliable detection often results in checking the User agent string. This method is not reliable, because it's trivial to spoof this value.
I've written a method to detect browsers by duck-typing.
Only use the browser detection method if it's truly necessary, such as showing browser-sp...
TypeScript: casting HTMLElement
...eList<HtmlScriptElement>, plus getElementsByName will be able to use string literal type overrides to get this right without any casting at all!
– Peter Burns
Apr 7 '13 at 0:11
...
Zero-pad digits in string
... data type. You presumably want to pad your digits with leading zeros in a string. The following code does that:
$s = sprintf('%02d', $digit);
For more information, refer to the documentation of sprintf.
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How are booleans formatted in Strings in Python?
...
You may also use the Formatter class of string
print "{0} {1}".format(True, False);
print "{0:} {1:}".format(True, False);
print "{0:d} {1:d}".format(True, False);
print "{0:f} {1:f}".format(True, False);
print "{0:e} {1:e}".format(True, False);
These are the re...
LISTAGG in Oracle to return distinct values
...:I tried the code- and got the error message as below ORA-01489: result of string concatenation is too long 01489. 00000 - "result of string concatenation is too long" *Cause: String concatenation result is more than the maximum size.
– Priyanth
Jul 17 '12 ...
List directory in Go
...log"
"os"
"path/filepath"
)
func main() {
var (
root string
files []string
err error
)
root := "/home/manigandan/golang/samples"
// filepath.Walk
files, err = FilePathWalkDir(root)
if err != nil {
panic(err)
}
// ioutil.Rea...
sql “LIKE” equivalent in django query
..._contains or __icontains (case-insensitive):
result = table.objects.filter(string__contains='pattern')
The SQL equivalent is
SELECT ... WHERE string LIKE '%pattern%';
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