大约有 13,914 项符合查询结果（耗时：0.0240秒） [XML]
LINQ Aggregate algorithm explained
This might sound lame, but I have not been able to find a really good explanation of Aggregate .
12 Answers
...
How to escape text for regular expression in Java
Does Java have a built-in way to escape arbitrary text so that it can be included in a regular expression? For example, if my users enter "$5", I'd like to match that exactly rather than a "5" after the end of input.
...
How to load images dynamically (or lazily) when users scrolls them into view
...them inside the visible viewport region ( upon view source, the page shows X number of <img> tags but they are not fetched from the server straight away ). What is this technique called, how does it work and in how many browsers does it work. And is there a jQuery plugin that can achieve this ...
event Action vs event EventHandler
...inating design pattern (apart from the power of sameness) is that you can extend the EventArgs object with new properties without altering the signature of the event. This would still be possible if you used Action<SomeClassWithProperties>, but I don't really see the point with not using the r...
append multiple values for one key in a dictionary [duplicate]
... and values for each year. What I want to do is check if the year already exists in a dictionary and if it does, append the value to that list of values for the specific key.
...
How to secure MongoDB with username and password
... answered Feb 2 '11 at 23:54
Alexandru PetrescuAlexandru Petrescu
3,09222 gold badges1919 silver badges2323 bronze badges
...
How to sort in-place using the merge sort algorithm?
...
Knuth left this as an exercise (Vol 3, 5.2.5). There do exist in-place merge sorts. They must be implemented carefully.
First, naive in-place merge such as described here isn't the right solution. It downgrades the performance to O(N2).
The idea ...
How can I Remove .DS_Store files from a Git repository?
How can I remove those annoying Mac OS X .DS_Store files from a Git repository?
25 Answers
...
Forward declaration of a typedef in C++
...
In general this is not a useful solution. For example if the typedef names a complex multilevel template type using a forward declaration this way is rather complex and difficult. Not to mention that it might require diving into implementation details hidden in default te...
Dynamic Anonymous type in Razor causes RuntimeBinderException
... .NET framework design decision, in my opinion.
Here is a quick and nice extension to fix this problem i.e. by converting the anonymous object into an ExpandoObject right away.
public static ExpandoObject ToExpando(this object anonymousObject)
{
IDictionary<string, object> anonymousDicti...