大约有 40,000 项符合查询结果（耗时：0.0528秒） [XML]
Struct like objects in Java
...ck such methods in your tests. If you create a new class you might not see all possible actions. It's like defensive programming - someday getters and setters may be helpful, and it doesn't cost a lot to create/use them. So they are sometimes useful.
In practice, most fields have simple getters and...
Run an OLS regression with Pandas Data Frame
... I accidentally typed formulas instead and got weird error: TypeError: from_formula() takes at least 3 arguments (2 given)
– denfromufa
Nov 14 '16 at 18:19
...
Generate random numbers with a given (numerical) distribution
...> choices(population, weights)
4
The optional keyword-only argument k allows one to request more than one sample at once. This is valuable because there's some preparatory work that random.choices has to do every time it's called, prior to generating any samples; by generating many samples at o...
What is the difference between Numpy's array() and asarray() functions?
... use one rather than the other? They seem to generate identical output for all the inputs I can think of.
6 Answers
...
How to find a text inside SQL Server procedures / triggers?
I have a linkedserver that will change. Some procedures call the linked server like this: [10.10.100.50].dbo.SPROCEDURE_EXAMPLE . We have triggers also doing this kind of work. We need to find all places that uses [10.10.100.50] to change it.
...
Mark parameters as NOT nullable in C#/.NET?
... function parameter that prevents null from being passed in C#/.NET? Ideally this would also check at compile time to make sure the literal null isn't being used anywhere for it and at run-time throw ArgumentNullException .
...
Site stopped working in asp.net System.Web.WebPages.Razor.Configuration.HostSection cannot be cast t
...), updated the web.config file accordingly and it still didn't work.
It finally worked when i changed my web.config file (INSIDE THE VIEWS directory) from:
<sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor...
How to lose margin/padding in UITextView?
...of the silliest bugs in iOS.
The class given here, UITextViewFixed is a usually the most reasonable solution overall.
Here is the class:
@IBDesignable class UITextViewFixed: UITextView {
override func layoutSubviews() {
super.layoutSubviews()
setup()
}
func setup() {
...
Can I set an opacity only to the background image of a div?
...n IE from version 8, while the ::before pseudo-element is not supported at all. This will hopefully be rectified in version 10.
HTML
<div class="myDiv">
Hi there
</div>
CSS
.myDiv {
position: relative;
z-index: 1;
}
.myDiv:before {
content: "";
position: absolut...
Linq to Entities - SQL “IN” clause
...sing LINQ, one uses query syntax and the other uses method syntax. Essentially, they are the same and could be used interchangeably depending on your preference:
Query Syntax:
var selected = from u in users
where new[] { "Admin", "User", "Limited" }.Contains(u.User_Rights)
...