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How to correctly iterate through getElementsByClassName
...owser support is patchy, but if you're transpiling then for ... of will be converted, but NodeList.forEach wouldn't.
– Mr5o1
Oct 22 '17 at 1:16
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Why can't I define a static method in a Java interface?
EDIT: As of Java 8, static methods are now allowed in interfaces.
24 Answers
24
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super() in Java
...uctor of the parent class.
OK, now let’s practically implement these points of super().
Check out the difference between program 1 and 2. Here, program 2 proofs our first statement of super() in Java.
Program 1
class Base
{
int a = 100;
}
class Sup1 extends Base
{
int a = 200;
vo...
Wrong requestCode in onActivityResult
...ect resultCode in your activity try this:
Change:
startActivityForResult(intent, 1);
To:
getActivity().startActivityForResult(intent, 1);
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How to iterate for loop in reverse order in swift?
...can be used as below:
for index in stride(from: 5, to: 1, by: -1) {
print(index)
}
//prints 5, 4, 3, 2
for index in stride(from: 5, through: 1, by: -1) {
print(index)
}
//prints 5, 4, 3, 2, 1
Note that neither of those is a Range member function. They are global functions that return eit...
What's the Best Way to Shuffle an NSMutableArray?
... NSMutableArray by providing
// methods to randomly shuffle the elements.
@interface NSMutableArray (Shuffling)
- (void)shuffle;
@end
// NSMutableArray_Shuffling.m
#import "NSMutableArray_Shuffling.h"
@implementation NSMutableArray (Shuffling)
- (void)shuffle
{
NSUInteger count = [self cou...
What are the undocumented features and limitations of the Windows FINDSTR command?
..., 0x0B Vertical Tab, 0x0C Form Feed, 0x0D Carriage Return.
XP FINDSTR also converts a number of extended ASCII characters to dots as well. The extended ASCII characters that display as dots on XP are the same as those that are transformed when supplied on the command line. See the "Character limits ...
What is the difference between ManualResetEvent and AutoResetEvent in .NET?
...er1()
{
Console.WriteLine("Entered in worker 1");
for (int i = 0; i < 5; i++) {
Console.WriteLine("Worker1 is running {0}", i);
Thread.Sleep(2000);
autoReset.WaitOne();
}
}
public void Worker2()
{
Console.WriteLin...
Reverse engineering from an APK file to a project
...an unknown APK file.
Download dex2jar tool from dex2jar.
Use the tool to convert the APK file to JAR:
$ d2j-dex2jar.bat demo.apk
dex2jar demo.apk -> ./demo-dex2jar.jar
Once the JAR file is generated, use JD-GUI to open the JAR file. You will see the Java files.
The output will be similar to...
Static Initialization Blocks
...u create.
Example:
public class Test {
static{
System.out.println("Static");
}
{
System.out.println("Non-static block");
}
public static void main(String[] args) {
Test t = new Test();
Test t2 = new Test();
}
}
This prints:
Static
Non-s...