大约有 25,300 项符合查询结果（耗时：0.0391秒） [XML]
Fastest way to list all primes below N
This is the best algorithm I could come up.
35 Answers
35
...
How do I convert an HttpRequestBase into an HttpRequest object?
inside my ASP.NET MVC controller, I've got a method that requires an HttpRequest object. All I have access to is an HttpRequestBase object.
...
Which Radio button in the group is checked?
...here a better way to find the checked RadioButton for a group? It seems to me that the code below should not be necessary. When you check a different RadioButton then it knows which one to uncheck… so it should know which is checked. How do I pull that information without doing a lot of if stateme...
Get decimal portion of a number with JavaScript
... world where 0.2999999999999998 is equal to 0.3 this may be acceptable. To me it isn't... Hence, to solve this challenge I'd refrain from using Math.* or % operations.
– Marcel Stör
Apr 2 '14 at 14:04
...
Convert HH:MM:SS string to seconds only in javascript
I am having similar requirement as this: Convert time in HH:MM:SS format to seconds only?
13 Answers
...
How to change plot background color?
...
Use the set_facecolor(color) method of the axes object, which you've created one of the following ways:
You created a figure and axis/es together
fig, ax = plt.subplots(nrows=1, ncols=1)
You created a figure, then axis/es later
fig = plt.figure()
ax...
.Contains() on a list of custom class objects
...
You need to implement IEquatable or override Equals() and GetHashCode()
For example:
public class CartProduct : IEquatable<CartProduct>
{
public Int32 ID;
public String Name;
public Int32 Number;
public Decimal Current...
How can you tell when a layout has been drawn?
...e in pixels of the parent layout object. But during the onCreate and onResume functions, the Layout has not been drawn yet, and so layout.getMeasuredHeight() returns 0.
...
How to access a mobile's camera from a web app?
...ures from your device:
<input type="file" accept="image/*" capture="camera">
Capture can take values like camera, camcorder and audio.
I think this tag will definitely not work in iOS5, not sure about it.
share
...
Run JavaScript code on window close or page refresh?
...ing the .addEventListener:
window.onbeforeunload = function(){
// Do something
}
// OR
window.addEventListener("beforeunload", function(e){
// Do something
}, false);
Usually, onbeforeunload is used if you need to stop the user from leaving the page (ex. the user is working on some unsaved ...