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Lua string to int
How can I convert a string to an integer in Lua?
12 Answers
12
...
What is the use of static constructors?
...hem.
Example: Suppose we had this class:
class ScopeMonitor
{
static string urlFragment = "foo/bar";
static string firstPart= "http://www.example.com/";
static string fullUrl= firstPart + urlFragment;
}
When you access fullUr, it will be "http://www.example.com/foo/bar".
Months late...
How to compare strings ignoring the case
...
You're looking for casecmp. It returns 0 if two strings are equal, case-insensitively.
str1.casecmp(str2) == 0
"Apple".casecmp("APPLE") == 0
#=> true
Alternatively, you can convert both strings to lower case (str.downcase) and compare for equality.
...
Why is lock(this) {…} bad?
...nnot be made; otherwise, the lock is allowed.
This is why it's bad to use strings as the keys in lock statements, since they are immutable and are shared/accessible across parts of the application. You should use a private variable instead, an Object instance will do nicely.
Run the following C# c...
How do you round a number to two decimal places in C#?
...ut you do want to format data for your users, and to that end, I find that string.Format("{0:0.00}", number) is a good approach.
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PHP script to loop through all of the files in a directory?
...tries);
//OUTPUT
object(FilesystemIterator)[1]
array (size=14)
0 => string 'aa[1].jpg' (length=9)
1 => string 'Chrysanthemum.jpg' (length=17)
2 => string 'Desert.jpg' (length=10)
3 => string 'giphy_billclinton_sad.gif' (length=25)
4 => string 'giphy_shut_your.gif' (length=...
XDocument.ToString() drops XML Encoding Tag
Is there any way to get the xml encoding in the toString() Function?
8 Answers
8
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How to extract the first two characters of a string in shell scripting?
...sh shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will set short to be the first two characters of long. If long is shorter than two characte...
How to perform file system scanning
...ain
import (
"path/filepath"
"os"
"flag"
"fmt"
)
func visit(path string, f os.FileInfo, err error) error {
fmt.Printf("Visited: %s\n", path)
return nil
}
func main() {
flag.Parse()
root := flag.Arg(0)
err := filepath.Walk(root, visit)
fmt.Printf("filepath.Walk() returned %v\...
Nullable type as a generic parameter possible?
...>, and call the method with the non nullable parameter
static void Main(string[] args)
{
int? i = GetValueOrNull<int>(null, string.Empty);
}
public static Nullable<T> GetValueOrNull<T>(DbDataRecord reader, string columnName) where T : struct
{
object columnValue = read...