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ViewPager and fragments — what's the right way to store fragment's state?
...y FragmentPagerAdapter
switch (position) {
case 0:
String firstTag = createdFragment.getTag();
break;
case 1:
String secondTag = createdFragment.getTag();
break;
}
// ... save the tags somewhere so you can reference them lat...
C# 'is' operator performance
...double foo = 1.23;
}
class Program
{
static void Main(string[] args)
{
MyClass myobj = new MyClass();
int n = 10000000;
Stopwatch sw = Stopwatch.StartNew();
for (int i = 0; i < n; i++)
{
boo...
How do I parse JSON with Objective-C?
...who
// knows how your third-party library intends to react?
if(NSClassFromString(@"NSJSONSerialization"))
{
NSError *error = nil;
id object = [NSJSONSerialization
JSONObjectWithData:returnedData
options:0
error:&error];
...
':app:lintVitalRelease' error when generating signed apk
...the errors before disabling them. In my case, they were about some missing strings for specific languages. Hit "Analyze" -> "Inspect code .."
– Markus
May 29 '18 at 14:11
2
...
How to specify function types for void (not Void) methods in Java8?
...could simply create a consumer for that with a lambda expression:
List<String> allJedi = asList("Luke","Obiwan","Quigon");
allJedi.forEach( jedi -> System.out.println(jedi) );
You can see above that in this case, the lambda expression receives a parameter and has no return value.
Now, i...
Making a Simple Ajax call to controller in asp.net mvc
...our AJAX Method you can use Razor and use @Url.Action rather than a static string:
$.ajax({
url: '@Url.Action("FirstAjax", "AjaxTest")',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: successFunc,
error: errorFunc
});
From your update:
$.ajax({
...
Sort an array in Java
...] = rand.nextInt(100) + 1;
Arrays.sort(array);
System.out.println(Arrays.toString(array));
// in reverse order
for (int i = array.length - 1; i >= 0; i--)
System.out.print(array[i] + " ");
System.out.println();
share...
Common MySQL fields and their appropriate data types
... |
| salt | CHAR(x) | randomly generated string, usually of
fixed length (x)
| digest (md5) | CHAR(32) | |
| phone number | VAR...
getResourceAsStream returns null
...sStream("MyTest.txt");
byte [] b = new byte[256];
int val = 0;
String txt = null;
do {
try {
val = result.read(b);
if (val > 0) {
txt += new String(b, 0, val);
}
} catch (IOException e) {
e.printStackT...
Iterating over Java collections in Scala
...= it.hasNext
override def next() = it.next()
}
val jIterator: Iterator[String] = ... // iterating over a large dataset
scalaIterator(jIterator).take(2).map(_.length).foreach(println) // only first 2 elements are loaded to memory
It has similar concept but less verbose IMO :)
...
