大约有 31,500 项符合查询结果（耗时：0.2095秒） [XML]
What is a “web service” in plain English?
...
Simplified, non-technical explanation:
A web serivce allows a PROGRAM to talk to a web page, instead of using your browser to open a web page.
Example:
I can go to maps.google.com, and type in my home address, and see a map of where I live in my browser.
But what if you were...
How to revert to origin's master branch's version of file
...hen:
git checkout origin/master filename
Assuming you want to blow away all commits from your branch (VERY DESTRUCTIVE):
git reset --hard origin/master
share
|
improve this answer
|
...
What's the difference between a mock & stub?
...anything.
Difference between Mocks and Stubs
Tests written with mocks usually follow an initialize -> set expectations -> exercise -> verify pattern to testing. While the pre-written stub would follow an initialize -> exercise -> verify.
Similarity between Mocks and Stubs
The pur...
How do I find duplicates across multiple columns?
...simple and efficient means to locate unwanted repetition, whilst also list all affected rows and all wanted columns:
SELECT
t.*
FROM (
SELECT
s.*
, COUNT(*) OVER (PARTITION BY s.name, s.city) AS qty
FROM stuff s
) t
WHERE t.qty > 1
ORDER BY t.name, t.city
While most...
Setting an object to null vs Dispose()
...When you write a using statement, it's simply syntactic sugar for a try/finally block so that Dispose is called even if the code in the body of the using statement throws an exception. It doesn't mean that the object is garbage collected at the end of the block.
Disposal is about unmanaged resourc...
How do I include a pipe | in my linux find -exec command?
...ld result in only a single agrep process being spawned which would process all the output produced by numerous invocations of zcat.
If you for some reason would like to invoke agrep multiple times, you can do:
find . -name 'file_*' -follow -type f \
-printf "zcat %p | agrep -dEOE 'grep'\n" | s...
LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
...amount of results but you state that you only want the first one.
I personally find the semantics very different and using the appropriate one, depending on the expected results, improves readability.
share
|
...
Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...
1. Introduction
Here's a way to approach this problem systematically: if you have an algorithm that plays hangman well, then you can take the difficulty of each word to be the number of wrong guesses that your program would take if guessing that word.
2. Aside on hangman strategy
There'...
Use of var keyword in C#
...Order>, ObservableCollection<Order> or BindingList<Order> - all I want is to keep that list in memory to iterate over it or get its count or something later on.
Contrast the above declaration with:
ObservableCollection<Order> orders = cust.Orders;
To me, the type name is jus...
What are the differences between Perl, Python, AWK and sed? [closed]
...is designed to apply the actions from a script to each line (or, more generally, to specified ranges of lines) of the input file or files. Its language is based on ed, the Unix editor, and although it has conditionals and so on, it is hard to work with for complex tasks. You can work minor miracles ...