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Why doesn't String switch statement support a null case?
...11 has the following note:
The prohibition against using null as a switch label prevents one from writing code that can never be executed. If the switch expression is of a reference type, that is, String or a boxed primitive type or an enum type, then a run-time error will occur if the expression e...
无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...
...难题 人工智能同人的差距显著】看上去，无人驾驶确实是在加速向我们的生活驶近，但事实上，首批获得尝试Google无人驾驶汽车机会的美国Medium科技板块总编StevenLevy表示：“我很难相信，无人驾驶汽车的大规模使用会在近期到...
How to place div side by side
...tuation left me with a div going past the border on the bottom because the labels generated are dynamic. The labels are spans cuz that's how ASP renders them. Not having the float:left made only 3 of the divs on the same row. And a using a table is out of the question. Thank you!
...
How to use Morgan logger?
...ndleExceptions: true,
json: false,
level: 'silly',
label: 'default',
},
file: {
filename: 'some/path/where/the/log/file/reside/default.log',
level: 'silly',
json: false,
handleExceptions: true,
},
});
//
// setup logger for categor...
Usage of forceLayout(), requestLayout() and invalidate()
...ate().
invalidate();
requestLayout();
An example of this is when a custom label has its text property changed. The label would change size and thus need to be remeasured and redrawn.
forceLayout()
When there is a requestLayout() that is called on a parent view group, it does not necessary need to r...
What is the difference between Debug and Release in Visual Studio?
...
"Debug" and "Release" are actually just two labels for a whole slew of settings that can affect your build and debugging.
In "Debug" mode you usually have the following:
Program Debug Database files, which allow you to follow the execution of the program quite closel...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...nvas1, which contains an ImageSprite (ArrowSprite) that we want to rotate. Label1 will show the Arrow’s heading in text format. Heading 0 points to right. We also add a RotationDetector (MyRotationDetector1) as a non-visible component.
The first key part of using Rotation Detector is to associa...
C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
C++ 读写xml方法整理（持续更新）c++读写xml的方法可谓是五花八门，太多了，这里对常用的几种做一个总结，附demo。1、Markup 下载：
特点：C++编写的，一个.h，一个.cpp，绿色小巧，直接加入工程源码编译，只支持MFC。
<?xml versi...
Export specific rows from a PostgreSQL table as INSERT SQL script
..._ident(p_table) || '(';
selquery := 'SELECT array[';
<<label0>>
FOR colrec IN SELECT table_schema, table_name, column_name, data_type
FROM information_schema.columns
WHERE table_name = p_table and table_schema = p_schema
...
How to impose maxlength on textArea in HTML using JavaScript
... <form action="processForm.php" action="post">
<label for="story">Tell me your story:</label><br>
<textarea id="story" maxlength="100"></textarea>
<input type="submit" value="Submit">
</form>
</b...