大约有 19,000 项符合查询结果（耗时：0.0262秒） [XML]
CustomErrors mode=“Off”
...n Xml file, and is therefore hierarchical. But if the hierarchy is poorly formed, the Xml parser will thrown an exception while parsing it. In other words, it has to take the entire Xml file as a whole -- but if it encounters bad Xml it can't build the required object at all!
...
multi-step registration process issues in asp.net mvc (split viewmodels, single model)
...initialize the Step1 property. Then inside the view you would generate the form allowing the user to fill the properties about step 1. When the form is submitted the controller action will apply the validation rules for step 1 only:
[HttpPost]
public ActionResult Step1(Step1ViewModel step1)
{
v...
“implements Runnable” vs “extends Thread” in Java
...If you don't need a particular result, consider using constructions of the form:
Future<?> f = new FutureTask<Object>(runnable, null)
So, if we replace their runnable with your threadA, we get the following:
new FutureTask<Object>(threadA, null)
Another option that allows yo...
Runtime vs. Compile time
...he program need not satisfy any invariants. In fact, it needn't be a well-formed program at all. You could feed this HTML to the compiler and watch it barf...
What can go wrong at compile time:
Syntax errors
Typechecking errors
(Rarely) compiler crashes
If the compiler succeeds, what do we know...
Rails new vs create
...eated differently.
An HTTP GET to /resources/new is intended to render a form suitable for creating a new resource, which it does by calling the new action within the controller, which creates a new unsaved record and renders the form.
An HTTP POST to /resources takes the record created as part o...
#import using angle brackets < > and quote marks “ ”
...
Objective-C has this in common with C/C++; the quoted form is for "local" includes of files (you need to specify the relative path from the current file, e.g. #include "headers/my_header.h"), while the angle-bracket form is for "global" includes -- those found somewhere on the i...
Detecting Browser Autofill
...ange event.
Safari 5 and Chrome 9 do dispatch the change event.
For other form fields:
IE 7 and IE 8 don't dispatch the change event.
Firefox 4 does dispatch the change change event when users select a value from a list of suggestions and tab out of the field.
Chrome 9 does not dispatch the chang...
Easiest way to read from and write to files
...at usually one Xml object corresponds with one file, while several strings form one file.
– Roland
Sep 15 '14 at 13:23
7
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How to determine if a point is in a 2D triangle? [closed]
... is.
Here's some high quality info in this topic on GameDev, including performance issues.
And here's some code to get you started:
float sign (fPoint p1, fPoint p2, fPoint p3)
{
return (p1.x - p3.x) * (p2.y - p3.y) - (p2.x - p3.x) * (p1.y - p3.y);
}
bool PointInTriangle (fPoint pt, fPoint v...
How do I use the conditional operator (? :) in Ruby?
... in the last case as said issue does not arise.
You can use the "long-if" form for readability on multiple lines:
question = if question.size > 20 then
question.slice(0, 20) + "..."
else
question
end
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