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How to programmatically set drawableLeft on Android button?
...tResources().getDrawable(R.drawable.smiley);
txtVw.setCompoundDrawablesWithIntrinsicBounds(img, null, null, null);
or
txtVw.setCompoundDrawablesWithIntrinsicBounds(R.drawable.smiley, 0, 0, 0);
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How do I get the time difference between two DateTime objects using C#?
...00);
Console.WriteLine(b.Subtract(a).TotalMinutes);
When executed this prints "30" since there is a 30 minute difference between the date/times.
The result of DateTime.Subtract(DateTime x) is a TimeSpan Object which gives other useful properties.
...
Paging UICollectionView by cells, not screen
...oid)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset {
*targetContentOffset = scrollView.contentOffset; // set acceleration to 0.0
float pageWidth = (float)self.articlesCollectionView.bounds.size.widt...
Apache POI Excel - how to configure columns to be expanded?
...ter you have added all your data to the sheet, you can call autoSizeColumn(int column) on your sheet to autofit the columns to the proper size
Here is a link to the API.
See this post for more reference
Problem in fitting the excel cell size to the size of the content when using apache poi
...
Easy way of running the same junit test over and over?
...) {
}
@Test
public void runsTenTimes() {
System.out.println("run");
}
}
With the above, it is possible to even do it with a parameter-less constructor, but I'm not sure if the framework authors intended that, or if that will break in the future.
If you are implementing yo...
What does `someObject.new` do in Java?
... uses the this instance of the container by default:
public class Foo {
int val;
public Foo(int v) { val = v; }
class Bar {
public void printVal() {
// this is the val belonging to our containing instance
System.out.println(val);
}
}
public Bar createBar() {
retu...
Android:What is difference between setFlags and addFlags for intent
What is difference between setFlags and addFlags for intent. Could any one explain it please.
Help Appreciated.
3 Answers
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What is The Rule of Three?
...
Introduction
C++ treats variables of user-defined types with value semantics.
This means that objects are implicitly copied in various contexts,
and we should understand what "copying an object" actually means.
Let us conside...
Android encryption / decryption using AES [closed]
...r key derivation and AES in CBC or GCM mode (GCM provides both privacy and integrity)
You could use functions like these:
private static byte[] encrypt(byte[] raw, byte[] clear) throws Exception {
SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
Cipher cipher = Cipher.getInstance("AES...
Can (domain name) subdomains have an underscore “_” in it?
...r, domain name parts must be 63 octets or shorter in
length.... All post-converted name parts that contain internationalized characters begin with the string "bq--". (...) The string "bq--" was chosen because it is extremely unlikely
to exist in host parts before this specification was produced....