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What is the native keyword in Java for?
...ss Main {
public native int square(int i);
public static void main(String[] args) {
System.loadLibrary("Main");
System.out.println(new Main().square(2));
}
}
Main.c
#include <jni.h>
#include "Main.h"
JNIEXPORT jint JNICALL Java_Main_square(
JNIEnv *env, jobj...
How many Activities vs Fragments?
...tent.setClass(getActivity(), DetailsActivity.class);
intent.putExtra("index", index);
startActivity(intent);
}
}
Another advantage of the ABS pattern is that you do not end up with a Tablet Activity containing lots of logic, and that means that you save memory...
DBMS_OUTPUT.PUT_LINE not printing
... DBMS_OUTPUT.PUT_LINE('a.firstName' || 'a.lastName');
means to print the string as it is.. remove the quotes to get the values to be printed.So the correct syntax is
DBMS_OUTPUT.PUT_LINE(a.firstName || a.lastName);
shar...
Shell - Write variable contents to a file
...wever, because printf only interprets backslashes as escapes in the format string, you can use the %s format specifier to store the exact variable contents to the destination file:
printf "%s" "$var" > "$destdir"
share
...
How to get the value from the GET parameters?
...
JavaScript itself has nothing built in for handling query string parameters.
Code running in a (modern) browser you can use the URL object (which is part of the APIs provided by browsers to JS):
var url_string = "http://www.example.com/t.html?a=1&b=3&c=m2-m3-m4-m5"; /...
How to round float numbers in javascript?
...
Convert a number to a string and then back again? That can't be fast.
– csl
Nov 9 '12 at 14:07
...
How to use OpenSSL to encrypt/decrypt files?
...bove!
-K key
The actual key to use: this must be represented as a string
comprised only of hex digits. If only the key is specified, the
IV must additionally be specified using the -iv option. When
both a key and a password are specified, the key given with the
-K option wi...
What does .class mean in Java?
....
object.getClass() returns the class of the given object.
For example:
String string = "hello";
System.out.println(string.getClass().toString());
This will output:
class java.lang.String
This is the class of the string object :)
...
Count the number of occurrences of a character in a string in Javascript
I need to count the number of occurrences of a character in a string.
33 Answers
33
...
Why does Boolean.ToString output “True” and not “true”
...facts about it ;)
First, this is what it says in MSDN about the Boolean.ToString() method:
Return Value
Type: System.String
TrueString if the value of this
instance is true, or FalseString if
the value of this instance is false.
Remarks
This method returns the
constan...