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AppInventor写二进制文件 - App应用开发 - 清泛IT社区，为创新赋能！
...处理二进制。
使用拓展可以写二进制文件：https://www.fun123.cn/reference/iot/bytearray.html
蓝牙等组件返回的字节列表（list），目前不能直接追加到拓展中，可以采用遍历字节列表，然后将字节逐一将追加到拓展中，最后调用拓...
How to set time delay in javascript
... a second time. The delay should be 1000ms. So you would click the img.jpg then the img_onclick.jpg would appear. You would then click the img_onclick.jpg image there should then be a delay of 1000ms before the img.jpg is shown again.
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How do 20 questions AI algorithms work?
... roughly half of the possible word choices. If there are total of N words, then we can expect to get an answer after log2(N) questions.
With 20 question, we should optimally be able to find a word among 2^20 = 1 million words.
One easy way to eliminate outliers (wrong answers) would be to probably...
How to find out how many lines of code there are in an Xcode project?
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You may need to download the script first. Then navigate to the directory where that script is and run that command with whatever file name you downloaded.
– prolfe
Mar 27 '15 at 20:30
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Binding multiple events to a listener (without JQuery)?
... start with, instead of hardcoding the array you hardcoded the strning and then splitted it, are you really sure that this is the way to go? Are you sure that this is the most readable way to write this? ['mousemove', 'touchmove'].forEach(function(event) { window.addEventListener(event, handler);})...
Send JSON data via POST (ajax) and receive json response from Controller (MVC)
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no good choice ! If I follow your code then the method parameter Add(object[] sendInfo) will be null !
– Snake Eyes
Dec 15 '11 at 8:33
add ...
How can I get the line number which threw exception?
...Dim index = ex.StackTrace.LastIndexOf(lineSearch)
If index <> -1 Then
Dim lineNumberText = ex.StackTrace.Substring(index + lineSearch.Length)
If Int32.TryParse(lineNumberText, lineNumber) Then
End If
End If
Return lineNumber
End Function
Or as an extention...
How can I get a list of users from active directory?
...UserPrincipal(context);
userPrin.Enabled = true;
after the first using. Then add
searcher.QueryFilter = userPrin;
before the find all. And that should get you the active ones.
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System.BadImageFormatException: Could not load file or assembly [duplicate]
...sing correct framework.
My solution was running cmd as administrator .... then it worked fine.
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What is a reasonable length limit on person “Name” fields?
I have a simple webform that will allow unauthenticated users to input their information, including name. I gave the name field a limit of 50 characters to coincide with my database table where the field is varchar(50), but then I started to wonder.
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