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How should the ViewModel close the form?
...n this case, bool? is most certainly not usable by another UI such as a WinForm, and DialogCloser is specific to WPF. So how does this fit in well as a solution? Also, why write 2x-10x code just to close a Window via a Binding?
– David Anderson
May 5 '12 at 22:...
How to evaluate a math expression given in string form?
...sity project, I was looking for a parser / evaluator supporting both basic formulas and more complicated equations (especially iterated operators). I found very nice open source library for JAVA and .NET called mXparser. I will give a few examples to make some feeling on the syntax, for further inst...
What is the minimum valid JSON?
... clearly defines the acceptable JSON texts like so:
The JSON interchange format used in this specification is exactly that described by RFC 4627 with two exceptions:
The top level JSONText production of the ECMAScript JSON grammar may consist of any JSONValue rather than being restricted to being...
Nested attributes unpermitted parameters
... many Due objects. The Due object also belongs to a Person . I want a form that can create the Bill and its children Dues all in one page. I am trying to create a form using nested attributes, similar to ones in this Railscast .
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Rails CSRF Protection + Angular.js: protect_from_forgery makes me to log out on POST
...y option is mentioned in application_controller, then I can log in and perform any GET requests, but on very first POST request Rails resets the session, which logs me out.
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App Inventor 2 云数据库配置教程 - Firebase/云数据库1/自建后台 · App Inventor 2 中文网
...
请求：
POST /api/storeavalue
Content-Type: application/x-www-form-urlencoded
tag=userName&value="张三"
value 是值的 JSON 文本（文本带引号，列表是 [...]），实际发送时会再做表单编码。服务端原样保存即可。
成功响应（返回 HTTP 200 即可...
What does the explicit keyword mean?
...nversion the explicit keyword here will also prevent the use of assignment form of a copy ctor (e.g., Foo myFoo = 42;) and require the explicit forms Foo myFoo = Foo(42); or Foo myFoo(42);
– Arbalest
Dec 15 '12 at 0:53
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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...623076923076923
332: 55ms 1.5734597156398105
514: 44ms 1.5481927710843373
787: 61ms 1.5311284046692606
1196: 138ms 1.5196950444726811
1810: 139ms 1.5133779264214047
2731: 299ms 1.5088397790055248
4112: 341ms 1.5056755767118273
6184: 681ms 1.5038910505836576
9292: 1324ms 1.5025873221216042
Even tho...
Does anyone have benchmarks (code & results) comparing performance of Android apps written in Xamari
...ndroid and their C# compiled apps are faster than Java code. Did anyone perform actual benchmarks on very similar Java and C# code on different Android platforms to verify such claims, could post the code and results?
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JavaScript string newline character?
Is \n the universal newline character sequence in Javascript for all platforms? If not, how do I determine the character for the current environment?
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