大约有 45,000 项符合查询结果(耗时:0.0576秒) [XML]

https://stackoverflow.com/ques... 

LINQ to Entities does not recognize the method

...ucture your query expression into an expression that Entity Framework can handle. public System.Linq.Expressions.Expression<Func<Charity, bool>> IsSatisfied() { string name = this.charityName; string referenceNumber = this.referenceNumber; return p => (string.IsN...
https://stackoverflow.com/ques... 

“git rm --cached x” vs “git reset head --​ x”?

... There are three places where a file, say, can be - the tree, the index and the working copy. When you just add a file to a folder, you are adding it to the working copy. When you do something like git add file you add it to the index. And when you commit it, you add it to the tree as well. It ...
https://stackoverflow.com/ques... 

java: HashMap not working

...primitive type, you can read what does mean a primitive type in java here, and a Map is an interface that has to objects as input: public interface Map<K extends Object, V extends Object> object means a class, and it means also that you can create an other class that exends from it, but you...
https://stackoverflow.com/ques... 

Set markers for individual points on a line in Matplotlib

... Specify the keyword args linestyle and/or marker in your call to plot. For example, using a dashed line and blue circle markers: plt.plot(range(10), linestyle='--', marker='o', color='b') A shortcut call for the same thing: plt.plot(range(10), '--bo') ...
https://stackoverflow.com/ques... 

Java string to date conversion

... That's the hard way, and those java.util.Date setter methods have been deprecated since Java 1.1 (1997). Simply format the date using SimpleDateFormat using a format pattern matching the input string. In your specific case of "January 2, 2010" as...
https://stackoverflow.com/ques... 

Gradient of n colors ranging from color 1 and color 2

...adients nice ( click here for an example ). I have a need to work in base and I think scales can be used there to create color gradients as well but I'm severely off the mark on how. The basic goal is generate a palette of n colors that ranges from x color to y color. The solution needs to work...
https://stackoverflow.com/ques... 

Dynamically adding properties to an ExpandoObject

I would like to dynamically add properties to a ExpandoObject at runtime. So for example to add a string property call NewProp I would like to write something like ...
https://stackoverflow.com/ques... 

Python: Append item to list N times

...'foo', 'foo', 'foo', 'foo', ...] For values that are stored by reference and you may wish to modify later (like sub-lists, or dicts): l = [{} for x in range(100)] (The reason why the first method is only a good idea for constant values, like ints or strings, is because only a shallow copy is do...
https://stackoverflow.com/ques... 

Filter dict to contain only certain keys?

...nary comprehension. If you use a version which lacks them (ie Python 2.6 and earlier), make it dict((your_key, old_dict[your_key]) for ...). It's the same, though uglier. Note that this, unlike jnnnnn's version, has stable performance (depends only on number of your_keys) for old_dicts of any siz...
https://stackoverflow.com/ques... 

HSL to RGB color conversion

...(which he attributes to a now defunct mjijackson.com, but is archived here and the original author has a gist - thanks to user2441511). The code is re-posted below: HSL to RGB: /** * Converts an HSL color value to RGB. Conversion formula * adapted from http://en.wikipedia.org/wiki/HSL_color_sp...