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通信连接组件 · App Inventor 2 中文网
...像的Base64编码及解码方法，便于图像文件的通信传输。此插件仅提供2个函数，使用非常方便，几乎没有学习成本。
属性
无
事件
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方法
EncodeImage
DecodeImage
MqttClient 拓展
.aix 拓展及demo程序打包下载：
UrsAI2Paho.zip
MQT...
How do I convert Word files to PDF programmatically? [closed]
...ScreenUpdating = false;
foreach (FileInfo wordFile in wordFiles)
{
// Cast as Object for word Open method
Object filename = (Object)wordFile.FullName;
// Use the dummy value as a placeholder for optional arguments
Document doc = word.Documents.Open(ref filename, ref oMissing,
...
Test if a property is available on a dynamic variable
...
@ministrymason If you mean casting to IDictionary and work with that, that works only on ExpandoObject, it won't work on any other dynamic object.
– svick
Jul 12 '12 at 16:58
...
C++ templates Turing-complete?
...= config::position };
typedef typename Conditional<
static_cast<int>(GetSize<typename config::input>::value)
<= static_cast<int>(position),
AppendItem<InputBlank, typename config::input>,
Identity<typename config::input>&g...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
...e redirecting to $null and setting equal to $null myself. I use to prefer casting to [Void], but that may not be as understandable when glancing at code or for new users.
I guess I slightly prefer redirecting output to $null.
Do-Something > $null
Edit
After stej's comment again, I decided t...
Turning a Comma Separated string into individual rows
...
The LEFT functions may need a CAST to work....for example LEFT(CAST(Data AS VARCHAR(MAX))....
– smoore4
Jul 15 '16 at 15:27
...
NSLog an object's memory address in overridden description method
... Additional note: %p expects a pointer of type void *, you have to cast self back to void *, else undefined behavior occurs.
– user529758
Jun 2 '13 at 20:23
4
...
Get generic type of java.util.List
...)
.flatMap(e->e.getValue().stream())
.map(Number.class::cast)
.collect(Collectors.toList());
This will give you a list of all items whose classes were subclasses of Number which you can then process as you need. The rest of the items were filtered out into other lists. B...
RESTful web service - how to authenticate requests from other services?
...eb service that needs to be accessed by users, but also other web services and applications. All of the incoming requests need to be authenticated. All communication takes place over HTTPS. User authentication is going to work based on an authentication token, acquired by POSTing the username and pa...
Update all values of a column to lowercase
...hes the given name and argument types. You might need to add explicit type casts.
– Luna Lovegood
Oct 11 '19 at 7:16
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