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Streaming video from Android camera to server
I've seen plenty of info about how to stream video from the server to an android device, but not much about the other way, ala Qik. Could someone point me in the right direction here, or give me some advice on how to approach this?
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Update a table using JOIN in SQL Server?
... FROM syntax down. Also not sure why you needed to join on the CommonField and also filter on it afterward. Try this:
UPDATE t1
SET t1.CalculatedColumn = t2.[Calculated Column]
FROM dbo.Table1 AS t1
INNER JOIN dbo.Table2 AS t2
ON t1.CommonField = t2.[Common Field]
WHERE t1.BatchNo = '110...
ArrayList vs List in C#
What is the difference between ArrayList and List<> in C#?
12 Answers
12
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App Inventor 2 串口调试 App 全方案技术调研 - App应用开发 - 清泛IT社区，为创新赋能！
App Inventor 2 串口调试 App 全方案技术调研
前言
串口调试器是硬件开发、嵌入式工程中最常用的工具。很多同学问：App Inventor 2 能不能做一个手机版的串口调试器？答案是：不仅能做，而且有多条技术路线可选。本文从源码...
How to get cumulative sum
... Col1,
SUM(Col1) OVER(ORDER BY RowId ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS Col2
FROM tablehh
ORDER BY RowId
or
SELECT
GroupID,
RowID,
Col1,
SUM(Col1) OVER(PARTITION BY GroupID ORDER BY RowId ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS Col2
FROM tabl...
MySQL OPTIMIZE all tables?
MySQL has an OPTIMIZE TABLE command which can be used to reclaim unused space in a MySQL install. Is there a way (built-in command or common stored procedure) to run this optimization for every table in the database and/or server install, or is this something you'd have to script up yourself?
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std::auto_ptr to std::unique_ptr
With the new standard coming (and parts already available in some compilers), the new type std::unique_ptr is supposed to be a replacement for std::auto_ptr .
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Are strongly-typed functions as parameters possible in TypeScript?
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Sure. A function's type consists of the types of its argument and its return type. Here we specify that the callback parameter's type must be "function that accepts a number and returns type any":
class Foo {
save(callback: (n: number) => any) : void {
callback(42);
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WSDL vs REST Pros and Cons
...ifferent uses in the real world.
SOAP(using WSDL) is a heavy-weight XML standard that is centered around document passing. The advantage with this is that your requests and responses can be very well structured, and can even use a DTD. The downside is it is XML, and is very verbose. However, thi...
nodeValue vs innerHTML and textContent. How to choose?
I'm using plain js to alter the inner text of a label element, and I wasn't sure on what grounds I should use innerHTML or nodeValue or textContent. I don't need to create a new node or change the HTML elements or anything — just replace the text. Here's an example of the code:
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