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Java code To convert byte to Hexadecimal
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byte[] bytes = {-1, 0, 1, 2, 3 };
StringBuilder sb = new StringBuilder();
for (byte b : bytes) {
sb.append(String.format("%02X ", b));
}
System.out.println(sb.toString());
// prints "FF 00 01 02 03 "
See also
java...
What is the proper #include for the function 'sleep()'?
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edited Dec 10 '19 at 10:16
Daniel Selvan
50922 silver badges1717 bronze badges
answered Fe...
How to find NSDocumentDirectory in Swift?
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Apparently, the compiler thinks NSSearchPathDirectory:0 is an array, and of course it expects the type NSSearchPathDirectory instead. Certainly not a helpful error message.
But as to the reasons:
First, you are confusing the argument names and types. Take a look at the functio...
Is it possible to rotate a drawable in the xml description?
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I could rotate in XML:
<?xml version="1.0" encoding="utf-8"?>
<rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:fromDegrees="90"
android:toDegrees="90"
android:pivotX="50%"
android:pivotY="50%"
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Using a constant NSString as the key for NSUserDefaults
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207
You should use:
NSString * const kPolygonNumberOfSides = @"..."; // const pointer
instead of...
Post an empty body to REST API via HttpClient
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answered Oct 26 '11 at 20:06
Alexander ZeitlerAlexander Zeitler
6,83777 gold badges4141 silver badges7979 bronze badges
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Error while pull from git - insufficient permission for adding an object to repository database .git
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260
Assuming @ChrisHayes is right about an accidental sudo, this should fix it. From inside your rep...
How do I include inline JavaScript in Haml?
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ArnoHolo
30122 silver badges1313 bronze badges
answered Mar 16 '12 at 20:37
bcoughlanbcoughlan
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&& (AND) and || (OR) in IF statements
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206
No, it will not be evaluated. And this is very useful. For example, if you need to test whether...
Get UIScrollView to scroll to the top
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UPDATE FOR iOS 7
[self.scrollView setContentOffset:
CGPointMake(0, -self.scrollView.contentInset.top) animated:YES];
ORIGINAL
[self.scrollView setContentOffset:CGPointZero animated:YES];
or if you want to preserve the horizontal scroll position and just reset the vertical position:
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