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C library function to perform sort
... (int *) a;
int *y = (int *) b;
return *x - *y;
}
2. Comparing a list of strings:
For comparing string, you need strcmp function inside <string.h> lib.
strcmp will by default return -ve,0,ve appropriately... to sort in reverse order, just reverse the sign returned by strcmp
#include <st...
month name to month number and vice versa in python
...ore comprehensive method that can also accept full month names
def month_string_to_number(string):
m = {
'jan': 1,
'feb': 2,
'mar': 3,
'apr':4,
'may':5,
'jun':6,
'jul':7,
'aug':8,
'sep':9,
'oct':10,
...
Javascript how to split newline
...
It should be
yadayada.val.split(/\n/)
you're passing in a literal string to the split command, not a regex.
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Can a constructor in Java be private?
...e constructor helps code reuse.
public class MyClass {
private final String value;
private final String type;
public MyClass(int x){
this(Integer.toString(x), "int");
}
public MyClass(boolean x){
this(Boolean.toString(x), "boolean");
}
public ...
Regex to match only letters
...ercase. [a-zA-Z]+ matches one or more letters and ^[a-zA-Z]+$ matches only strings that consist of one or more letters only (^ and $ mark the begin and end of a string respectively).
If you want to match other letters than A–Z, you can either add them to the character set: [a-zA-ZäöüßÄÖÜ]....
In Perl, how can I read an entire file into a string?
I'm trying to open an .html file as one big long string. This is what I've got:
16 Answers
...
Differences between action and actionListener
...cessary handle navigation. The action method can (thus, not must) return a String which will be used as navigation case outcome (the target view). A return value of null or void will let it return to the same page and keep the current view scope alive. A return value of an empty string or the same v...
Default implementation for Object.GetHashCode()
...already been added into a dictionary, reference equality is perfect. With strings, as you note, one is usually more interested in whether a string containing the same sequence of characters has already been added. That's why string overrides GetHashCode. On the other hand, suppose you want to kee...
How do I get the directory from a file's full path?
...are working with a FileInfo object, then there is an easy way to extract a string representation of the directory's full path via the DirectoryName property.
Description of the FileInfo.DirectoryName Property via MSDN:
Gets a string representing the directory's full path.
Sample usage:
stri...
How do I programmatically determine operating system in Java?
...find this code useful:
class ShowProperties {
public static void main(String[] args) {
System.getProperties().list(System.out);
}
}
All it does is print out all the properties provided by your Java implementations. It'll give you an idea of what you can find out about your Java en...