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Convert hex string to int
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It's simply too big for an int (which is 4 bytes and signed).
Use
Long.parseLong("AA0F245C", 16);
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Convert array of strings into a string in Java
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If you just want a "debug-style" dump of an array:
String str = Arrays.toString(arr);
or, for more control (before Java 8):
StringBuilder builder = new StringBuilder();
for(String s : arr) {
builder.append(s);
}
String str = builder.toStri...
Quickest way to convert a base 10 number to any base in .NET?
I have and old(ish) C# method I wrote that takes a number and converts it to any base:
12 Answers
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how to return index of a sorted list? [duplicate]
...mple, if the list I want to sort is [2,3,1,4,5] , I need [2,0,1,3,4] to be returned.
7 Answers
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How do you tell the Visual Studio project type from an existing Visual Studio project
...rms applications contain:
<OutputType>WinExe</OutputType>
Library (.dll) projects contain:
<OutputType>Library</OutputType>
and do NOT contain a
<ProjectTypeGuids>
ASP.NET and WCF projects contain:
<ProjectTypeGuids>{603c0e0b-db56-11dc-be95-000d561079b0...
What's the point of having pointers in Go?
I know that pointers in Go allow mutation of a function's arguments, but wouldn't it have been simpler if they adopted just references (with appropriate const or mutable qualifiers). Now we have pointers and for some built-in types like maps and channels implicit pass by reference.
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How to crop an image using C#?
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You can use Graphics.DrawImage to draw a cropped image onto the graphics object from a bitmap.
Rectangle cropRect = new Rectangle(...);
Bitmap src = Image.FromFile(fileName) as Bitmap;
Bitmap target = new Bitmap(cropRect.Width, cropRect.Height);
using(Graphics g = Graphics.FromImage(target))
{
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MVC 4 Razor File Upload
I am new to MVC 4 and I am trying to implement File Upload Control in
my website. I am not able to find the mistake.I am getting a null
value in my file.
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Error to run Android Studio
I have installed Android Studio and I followed all steps described here
17 Answers
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Android: open activity without save into the stack
...tivity(i);
The FLAG_ACTIVITY_NO_HISTORY flag keeps the new Activity from being added to the history stack.
NB: As @Sam points out, you can use i.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); instead. There is no functional difference.
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