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成功熬了四年还没死？一个IT屌丝创业者的深刻反思 - 资讯 - 清泛网 - 专注C...
...，已经达到了十七八万。
屌丝们不得不面对一个终极问题：如何盈利?
屌丝们定了三盘沙县水饺，围着一箱子的冰啤酒开始计算：按照最近一月的登陆情况来看，四百万个账号已经不活跃了。真正有商业价值的只有一百万...
Socket客户端使用指导 · App Inventor 2 中文网
...：主动连接与断开
属性、方法与事件速查
常见问题与验收
完整 .aia 源码与操作指导
TCP通信
电脑端完整代码
反复连接与断开
TCP Socket 客户端组件。
该组件用于主动连接...
Java GUI frameworks. What to choose? Swing, SWT, AWT, SwingX, JGoodies, JavaFX, Apache Pivot? [close
...classes aren't final, they just throw exceptions when the package of this.getClass() isn't org.eclipse.swt and you can't add new classes in that package because it's signed).
If you need a native, pure Java solution, that leaves you with the rest. Let's start with AWT, Swing, SwingX - the Swing way....
Performance of Arrays vs. Lists
...ut unless you need to micro-optimise, keep it simple and use List<T> etc.
Of course, this only applies if you are reading all of the data; a dictionary would be quicker for key-based lookups.
Here's my results using "int" (the second number is a checksum to verify they all did the same work)...
Fastest way to flatten / un-flatten nested JSON objects
... because: 1) large data sets need a large amount of memory, page swapping, etc.; and that's not something you can control in JS (i.e. you're at the mercy of the browser) 2) if you want to do CPU intensive work then JS is not the best language. Consider using C instead. There are JSON libraries for C...
组件美化使用指导 · App Inventor 2 中文网
...明切换与按钮点击
属性、方法与事件速查
常见问题与验收
完整 .aia 源码与操作指导
我的设备信息卡
先运行这个实际案例
不可见工具组件：给组件添加圆角、边框、渐变背景...
Dictionary vs Object - which is more efficient and why?
... mentioned other factors such as memory allocations, constructor call time etc.
– Vinay Sajip
Aug 26 '09 at 19:34
Is t...
Different floating point result with optimization enabled - compiler bug?
... a rounding algorithm that addresses the fact that n.n5, n.nn5, or n.nnn5, etc. (but not n.5) is always inexact. Find the corner case that determines whether some input value rounds up or down and return the rounded-up or rounded-down value based on a comparison to this corner case. And you do need ...
Can I use view pager with views (not with fragments)
....getView(context, collection);
break;
case 2:
view = CpuView.getView(context, collection);
break;
}
collection.addView(view);
return view;
}
@Override
public int getCount() {
return 3;
}
@Override
public boolean isViewFromObject(View view,...
JavaScript OOP in NodeJS: how?
...ws us to use Javascript "classes" like we would with Java, C++, C#, Swift, etc.
Screenshot from the video showing how to write and instantiate a Javascript class/subclass:
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