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Cast List to List in .NET 2.0
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.NET 2.0 has the ConvertAll method where you can pass in a converter function:
List<int> l1 = new List<int>(new int[] { 1, 2, 3 } );
List<string> l2 = l1.ConvertAll<string>(delegate(int i) { return i.To...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 App Inventor 2 UrsAI2UDP 拓展 - UDP广播...
.NET 4.0 has a new GAC, why?
...s the new GAC . Does it mean now we have to manage two GACs, one for .NET 2.0-3.5 applications and the other for .NET 4.0 applications?
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What are the main disadvantages of Java Server Faces 2.0?
Yesterday I saw a presentation on Java Server Faces 2.0 which looked truly impressive, even though I am currently a happy ASP.NET MVC / jQuery developer. What I liked most about JSF was the huge amount of AJAX-Enabled UI components which seem to make development much faster than with ASP.NET MVC, es...
What ReSharper 4+ live templates for C# do you use? [closed]
...plement Joe Duffy's Dispose Pattern
Shortcut: dispose
Available in: C# 2.0+ files where type member declaration is allowed
public void Dispose()
{
Dispose(true);
System.GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
if (di...
iOS Image Orientation has Strange Behavior
...);
transform = CGAffineTransformRotate(transform, 3.0 * M_PI / 2.0);
break;
case UIImageOrientationLeft: //EXIF = 6
boundHeight = bounds.size.height;
bounds.size.height = bounds.size.width;
bounds.size.width = boundHeight;
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What are best practices for validating email addresses on iOS 2.0
...is the cleanest way to validate an email address that a user enters on iOS 2.0?
13 Answers
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vim line numbers - how to have them on by default?
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vim .vimrc and add the commands you want at open.
Here's a site that explains the vimrc and how to use it.
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How to sort git tags by version string order of form rc-X.Y.Z.W?
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Use version sort
git tag -l | sort -V
or for git version >= 2.0
git tag -l --sort=v:refname
git tag -l --sort=-v:refname # reverse
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How to convert float to int with Java
...f)
round (the closest integer to given float)
i = Math.round(f);
f = 2.0 -> i = 2 ; f = 2.22 -> i = 2 ; f = 2.68 -> i = 3
f = -2.0 -> i = -2 ; f = -2.22 -> i = -2 ; f = -2.68 -> i = -3
note: this is, by contract, equal to (int) Math.floor(f + 0.5f)
truncate (i.e. dro...