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App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...
...p; 结束对于
返回 结果
// 发送时
当 按钮_发送.被点击 时
初始化局部变量 字节列表 = 字符串转字节列表(文本输入框_命令.文本)
调用 蓝牙LE1.WriteBytes(字节列表)
优点：无需修改源码，立即可...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...tBuffer bb = bc().capacity(50).asBuffer();
for (int i = 0; i < 10000000; i++) {
a[i%50] = b[i%50] = dot();
float sum = dotc();
ab.put(i%50, sum);
bb.put(i%50, sum);
}
long t1 = System.nanoTime();
for (int i = 0; i &l...
Is there any difference between DECIMAL and NUMERIC in SQL Server?
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106
They are the same. Numeric is functionally equivalent to decimal.
MSDN: decimal and numeric
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Favicons - Best practices
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Favicon is way more complex than what it sounds. 10 years ago, favicon.ico was the only needed item. Then, there was the touch icon, then multiple touch icons dues to the various iOS devices screen resolutions, then there was the tile icon for Windows...
Some answers here ...
How to change an application icon programmatically in Android?
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10 Answers
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AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
I am working on an internal web application at work. In IE10 the requests work fine, but in Chrome all the AJAX requests (which there are many) are sent using OPTIONS instead of whatever defined method I give it. Technically my requests are "cross domain." The site is served on localhost:6120 and th...
How to handle static content in Spring MVC?
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answered Dec 12 '10 at 20:27
JorisJoris
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Why is a div with “display: table-cell;” not affected by margin?
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310
Cause
From the MDN documentation:
[The margin property] applies to all elements except ele...
maven-dependency-plugin (goals “copy-dependencies”, “unpack”) is not supported by m2e
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10
What if copy-dependencies is a vital step in building your WAR file? I am working with monstrosity the call m2Eclipse and even if changing ...
What is the difference between an Azure Web Site and an Azure Web Role
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