大约有 11,295 项符合查询结果（耗时：0.0524秒） [XML]
Can someone explain Microsoft Unity?
I've been reading the articles on MSDN about Unity (Dependency Injection, Inversion of Control), but I think I need it explained in simple terms (or simple examples). I'm familiar with the MVPC pattern (we use it here), but I just can't really grasp this Unity thing yet, and I think it's the next st...
Assignment inside lambda expression in Python
I have a list of objects and I want to remove all objects that are empty except for one, using filter and a lambda expression.
...
What does the [Flags] Enum Attribute mean in C#?
...
The [Flags] attribute should be used whenever the enumerable represents a collection of possible values, rather than a single value. Such collections are often used with bitwise operators, for example:
var allowedColors = MyColor.Red | MyCol...
Optional Parameters with C++ Macros
...etting optional parameters with C++ Macros? Some sort of overloading would be nice too.
14 Answers
...
How to declare a friend assembly?
...
You need to sign both assemblies, because effectively both assemblies reference each other.
You have to put the public key in the InternalsVisibleTo attribute. For example, in Protocol Buffers I use:
[assembly:InternalsVisibleTo("Google.Pro...
is it possible to `git status` only modified files?
Is it possible to git status and show only modified files?
16 Answers
16
...
Loop through an array in JavaScript
In Java you can use a for loop to traverse objects in an array as follows:
40 Answers
...
Load data from txt with pandas
...pd.read_csv('output_list.txt', sep=" ", header=None)
data.columns = ["a", "b", "c", "etc."]
Add sep=" " in your code, leaving a blank space between the quotes. So pandas can detect spaces between values and sort in columns. Data columns is for naming your columns.
...
LINQ Join with Multiple Conditions in On Clause
...
You just need to name the anonymous property the same on both sides
on new { t1.ProjectID, SecondProperty = true } equals
new { t2.ProjectID, SecondProperty = t2.Completed } into j1
Based on the comments of @svick, here is another implementation that might make more sense:
...
ASP.NET MVC: No parameterless constructor defined for this object
I was following Steven Sanderson's ' Pro ASP.NET MVC Framework ' book. On page 132, in accordance with the author's recommendation, I downloaded the ASP.NET MVC Futures assembly, and added it to my MVC project. [Note: This could be a red herring.]
...