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Python progression path - From apprentice to guru
... and deep copies (as in Example 3 above), and finally, the interrelationships between the various types and constructs in the language, i.e. lists vs. tuples, dicts vs. sets, list comprehensions vs. generator expressions, iterators vs. generators, etc.; however all those other suggestions are anothe...
setImmediate vs. nextTick
...───────────────────┘
source: https://nodejs.org/en/docs/guides/event-loop-timers-and-nexttick/
Notice that the check phase is immediately after the poll phase. This is because the poll phase and I/O callbacks are the most likely places your calls to setImme...
LINQ to read XML
...
A couple of plain old foreach loops provides a clean solution:
foreach (XElement level1Element in XElement.Load("data.xml").Elements("level1"))
{
result.AppendLine(level1Element.Attribute("name").Value);
foreach (XElement level2Element in level1Ele...
C# Interfaces. Implicit implementation versus Explicit implementation
...inition
IEnumerator enumerableStuff = ((IEnumerable)sl).GetEnumerator();
PS: The little piece of indirection in the explicit definition for IEnumerable works because inside the function the compiler knows that the actual type of the variable is a StringList, and that's how it resolves the function...
Comments in command-line Zsh
...ent multiline construct onto the buffer stack and return to the top-level (PS1) prompt. If the current parser construct is only a single line, this is exactly like push-line. Next time the editor starts up or is popped with get-line, the construct will be popped off the top of the buffer stack a...
Interface vs Base class
...ize "context" because the JVM can often optimize away the slow method lookups. (e.g., if a list of interface inheritors tend to be instances of the same class. This sadly makes benchmarking a tad difficult.) If you're trying to optimize something performance sensitive, and only then, you should c...
Create tap-able “links” in the NSAttributedString of a UILabel?
...ink
Now we should detect touches on this link. The idea is to catch all taps within UILabel and figure out whether the location of the tap was close enough to the link. To catch touches we can add tap gesture recognizer to the label. Make sure to enable userInteraction for the label, it's turned of...
Camera 扩展：相机拍照和录像，程序控制拍照、自动拍照实现，而无需点击系...
...项目
功能概述
Camera 扩展允许在应用的布局中显示相机预览，支持拍照和录制视频功能。扩展提供了多种相机控制选项，包括前后摄像头切换、缩放控制等功能。
截图
1:1 宽高比
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VR领域的价值分析和创业机会.pdf - 文档下载 - 清泛网 - 专注IT技能提升
VR领域的价值分析和创业机会.pdfVR领域的价值分析和创业机会VR 虚拟现实 价值 机会VR（虚拟现实），已经引爆的科技风口，新的上网方式将会被重新定义。VR（虚拟现实），已经引爆的科技风口，新的上网方式将会被重新定义。
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VR领域的价值分析和创业机会.pdf - 文档下载 - 清泛网 - 专注IT技能提升
VR领域的价值分析和创业机会.pdfVR领域的价值分析和创业机会VR 虚拟现实 价值 机会VR（虚拟现实），已经引爆的科技风口，新的上网方式将会被重新定义。VR（虚拟现实），已经引爆的科技风口，新的上网方式将会被重新定义。
...