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What does the question mark and the colon (?: ternary operator) mean in objective-c?
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This is the C ternary operator (Objective-C is a superset of C):
label.frame = (inPseudoEditMode) ? kLabelIndentedRect : kLabelRect;
is semantically equivalent to
if(inPseudoEditMode) {
label.frame = kLabelIndentedRect;
} else {
label.frame = kLabelRec...
Check if two lists are equal [duplicate]
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Use SequenceEqual to check for sequence equality because Equals method checks for reference equality.
var a = ints1.SequenceEqual(ints2);
Or if you don't care about elements order use Enumerable.All method:
var a = ints1.All(ints2.Contains);
The second version also re...
Where does Chrome store extensions?
...ensions
Linux
~/.config/google-chrome/Default/Extensions/
MacOS
~/Library/Application\ Support/Google/Chrome/Default/Extensions
Chromium
~/.config/chromium/Default/Extensions
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impr...
How to see which flags -march=native will activate?
... -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using?
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Concat all strings inside a List using LINQ
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By using LINQ, this should work;
string delimiter = ",";
List<string> items = new List<string>() { "foo", "boo", "john", "doe" };
Console.WriteLine(items.Aggregate((i, j) => i + delimiter + j));
class descri...
Multiple lines of text in UILabel
Is there a way to have multiple lines of text in UILabel like in the UITextView or should I use the second one instead?
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NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...13Update4参考资料[3]来做S1:新建一个空的C++DLL项目，nsMessageBoxPlugin.S2:复制C: Program File...Q 如何使用C++开发插件,示例
环境：VS2013Update4
参考资料[3]来做
S1:新建一个空的C++DLL项目，nsMessageBoxPlugin.
S2:复制“C:\Program Files (x86)\NSIS\Unico...
Convert a list to a string in C#
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Maybe you are trying to do
string combindedString = string.Join( ",", myList.ToArray() );
You can replace "," with what you want to split the elements in the list by.
Edit: As mention in the comments you could also do
stri...
SVN needs-lock 设置强制只读属性（官方资料） - 更多技术 - 清泛网 - 专注...
...置强制只读属性（官方资料）Automatic lock-modify-unlockFrom SubversionWikiJump to: navigation, searchDifferent versions of binary files cannot be...Automatic lock-modify-unlock
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Different versions of binary files cannot be merged. T...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
不同品牌的防火墙组成高可靠性集群拓扑如下主机A ，B有两个可用路由要实现主备切换，当主防火墙出现问题的时候，可以自动切换到备防火墙上。第一台设备 ASG 425 支持OSPF...拓扑如下
主机A ，B有两个可用路由要实现主备切...