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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...#sortBy method accepts a function A => B where B is required to have an Ordering. Ordering is a type-class. Think best of both worlds: Like Comparable, it's implicit for the type in question, but like Comparator, it's extensible and can be added retrospectively to types that did not have it. Sinc...
What are type lambdas in Scala and what are their benefits?
...u are using type constructors, which have kind * => *. This kind is of order-1, which is not "higher".
– Daniel Spiewak
Jan 5 '12 at 15:40
2
...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...设备标识符。然后，接收器会过滤掉它感兴趣的设备。
问题是：App Inventor 没有内置 UDP，而且我找不到可用的扩展。所以自己动手吧。
注意：
如果智能手机和远程站位于同一个（本地）网络中，则扩展可以完美运行。如果智...
Handle Guzzle exception and get HTTP body
...ttp\Psr7\Response
* (find it in ./vendor/guzzlehttp/psr7/src/Response.php) with all
* its own and its 'Message' trait's methods. See more explanations below.
*
* So you can have: HTTP status code, message, headers and body.
* Just check the exception object has the response ...
用Javascript获取页面元素的位置（全） - 更多技术 - 清泛网 - 专注C/C++及内核技术
... }
}
}
但是，这个函数有一个问题。如果网页内容能够在浏览器窗口中全部显示，不出现滚动条，那么网页的clientWidth和scrollWidth应该相等。但是实际上，不同浏览器有不同的处理，这两个值未必相等...
Generate Java classes from .XSD files…?
...t(name="Item") indicates that I want to be the root element.
@XmlType(propOrder = {"name", "price"}) indicates the order that I want the element to be arranged in XML output.
@XmlAttribute(name="id", ...) indicates that id is an attribute to root element.
@XmlElement(....) indicates that I want pr...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...low.
DECLARE @T TABLE
(
C1 VARCHAR(20) COLLATE Chinese_Traditional_Stroke_Order_100_CS_AS_KS_WS,
C2 NVARCHAR(20)COLLATE Chinese_Traditional_Stroke_Order_100_CS_AS_KS_WS
)
INSERT INTO @T
VALUES (N'中华人民共和国',N'中华人民共和国'),
(N'abc',N'abc');
SELECT C1,
...
How do you use version control with Access development?
...
To summarize various comments below:
Our Project assumes an .adp-file. In order to get this work with .mdb/.accdb, you have to change OpenAccessProject() to OpenCurrentDatabase(). (Updated to use OpenAccessProject() if it sees a .adp extension, else use OpenCurrentDatabase().)
decompose.vbs:
' ...
How to convert JSON data into a Python object
...esting. I thought relying on d.keys() and d.values() iterating in the same order is not guaranteed, but I was wrong. The docs say: "If keys, values and items views are iterated over with no intervening modifications to the dictionary, the order of items will directly correspond.". Good to know for s...
Grep not as a regular expression
I need to search for a PHP variable $someVar . However, Grep thinks that I am trying to run a regex and is complaining:
6 ...