大约有 30,000 项符合查询结果（耗时：0.0680秒） [XML]
Round to at most 2 decimal places (only if necessary)
...
For those of you that don't get it this technique is called scaling. Basically what the answer does here is bring two figures across the decimal point turning the figure into a whole number to avoid all the crazy floating point issues, round that and then translate it back into...
How to define a function in ghci across multiple lines?
...
You can completely avoid indentation using a trailing let. Simply type a let followed by a newline: let ⏎. Then fac 0 = 1 ⏎. Then fac n = n * fac (n-1) ⏎ ⏎ and you're done!
– Iceland_jack
Sep 17 '1...
How to check if a python module exists without importing it
...odules')
Then make sure it's executable: chmod u+x module_help.py
And call it with a pipe to grep:
./module_help.py | grep module_name
Invoke the built-in help system. (This function is intended for interactive use.) If no argument is given, the interactive help system starts on the inter...
Regex Pattern to Match, Excluding when… / Except between
...e comments. The technique is described in some depth in this article which calls it (optimistically) the "best regex trick ever". Without going into as much detail, I'll try to give you a firm grasp of how the technique works. For more detail and code samples in various languages I encourage you to ...
Allow multiple roles to access controller action
...
Works in ASP.NET Core 1.0 (MVC 6) and Microsoft.AspNet.Identity v3.*
– Soren
Jun 21 '16 at 8:19
3
...
Isn't “package private” member access synonymous with the default (no-modifier) access?
...rface I {
int A = 1;
// same as
public static final int A = 1;
void method();
// same as
public abstract void method();
class C { }
// same as
public static class C { }
}
The default access rules for interfaces are not the same as for classes.
...
Using ECMAScript 6
...
In Chrome, most of the ES6 features are hidden behind a flag called "Experimental JavaScript features". Visit chrome://flags/#enable-javascript-harmony, enable this flag, restart Chrome and you will get many new features.
Arrow functions are not yet implemented in V8/Chrome, so this f...
How to disable mouseout events triggered by child elements?
...lements triggers the parent's mouseout event, when in fact its is still inside the parent element.
– javiniar.leonard
Oct 16 '15 at 8:20
add a comment
|
...
Overflow Scroll css is not working in the div
...Adding it you will notice that scroll bar will appear.
.wrapper{
// width: 1000px;
width:600px;
overflow-y:scroll;
position:relative;
height: 300px;
}
JSFIDDLE
From documentation:
overflow-y
The overflow-y CSS property specifies whether to clip content, render a scrol...
How do I bind a WPF DataGrid to a variable number of columns?
...s property is ReadOnly, like everyone noticed, I made an Attached Property called BindableColumns which updates the Columns in the DataGrid everytime the collection changes through the CollectionChanged event.
If we have this Collection of DataGridColumn's
public ObservableCollection<DataGri...