大约有 45,000 项符合查询结果（耗时：0.0730秒） [XML]
Spring - @Transactional - What happens in background?
I want to know what actually happens when you annotate a method with @Transactional ?
Of course, I know that Spring will wrap that method in a Transaction.
...
How to set current working directory to the directory of the script in bash?
I'm writing a bash script. I need the current working directory to always be the directory that the script is located in.
1...
Why is “copy and paste” of code dangerous? [closed]
...
If you find a bug in your copy-paste code, you will need to fix it every place you did and hope you can remember them all (this also holds for changed requirements).
If you keep logic in one place, it is easier to change when needed (so if you decide that the application needs updating, ...
Preferred order of writing latitude & longitude tuples in GIS services
When dealing with GIS source code you often need to write latitude and longitude coordinate tuples.
9 Answers
...
What do people find difficult about C pointers? [closed]
From the number of questions posted here, it's clear that people have some pretty fundemental issues when getting their heads around pointers and pointer arithmetic.
...
jQuery Datepicker onchange event issue
I have a JS code in which when you change a field it calls a search routine. The problem is that I can't find any jQuery events that will fire when the Datepicker updates the input field.
...
Good MapReduce examples [closed]
...nk of any good examples other than the "how to count words in a long text with MapReduce" task. I found this wasn't the best example to give others an impression of how powerful this tool can be.
...
What is the difference between List (of T) and Collection(of T)?
...mizable wrapper around IList<T>. While IList<T> is not sealed, it doesn't provide any customization points. Collection<T>'s methods are by default delegated to the standard IList<T> methods, but can be easily overridden to do what you want. It is also possible to wireup event...
What integer hash function are good that accepts an integer hash key?
...e order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisible by 2 or by 4 (which is no...
How to install pip with Python 3?
I want to install pip . It should support Python 3, but it requires setuptools, which is available only for Python 2.
21 A...