大约有 43,000 项符合查询结果（耗时：0.0548秒） [XML]
Why does Java's Arrays.sort method use two different sorting algorithms for different types?
Java 6's Arrays.sort method uses Quicksort for arrays of primitives and merge sort for arrays of objects. I believe that most of time Quicksort is faster than merge sort and costs less memory. My experiments support that, although both algorithms are O(n log(n)). So why are different algorithms us...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...ts sent when the according form submits. A disabled element isn't editable and isn't sent on submit. Another difference is that readonly elements can be focused (and getting focused when "tabbing" through a form) while disabled elements can't.
Read more about this in this great article or the defin...
Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
...Easy does) - a first option would be to simply inject the JSON as a String and then take control of the deserialization process:
Collection<COrder> readValues = new ObjectMapper().readValue(
jsonAsString, new TypeReference<Collection<COrder>>() { }
);
You would loose a bit ...
How Do I Hide wpf datagrid row selector
I'm using the WPF DataGrid control to show some details and a select button, and I don't need the gray selector column down the left-hand side. It's also ruining the beauty of my design.
...
Literal suffix for byte in .NET?
...re a byte variable in a short way like floats or doubles? I mean like 5f and 5d . Sure I could write byte x = 5 , but that's a bit inconsequential if you use var for local variables.
...
How can I see the entire HTTP request that's being sent by my Python application?
... PayPal's API over HTTPS. Unfortunately, I'm getting an error from PayPal, and PayPal support cannot figure out what the error is or what's causing it. They want me to "Please provide the entire request, headers included".
...
Removing double quotes from variables in batch file creates problems with CMD environment
Can anybody help with effective and safe way of removing quotes from batch variables?
11 Answers
...
How to have git log show filenames like svn log -v
...ll path names of changed files:
git log --name-only
For full path names and status of changed files:
git log --name-status
For abbreviated pathnames and a diffstat of changed files:
git log --stat
There's a lot more options, check out the docs.
...
Cross-platform way of getting temp directory in Python
... be the tempfile module.
It has functions to get the temporary directory, and also has some shortcuts to create temporary files and directories in it, either named or unnamed.
Example:
import tempfile
print tempfile.gettempdir() # prints the current temporary directory
f = tempfile.TemporaryFil...
Create a completed Task
...
Just checked the latest VS 14 CTP and created a 4.5.3 project, Task.CompletedTask is still internal.
– Peter Ritchie
Oct 14 '14 at 16:54
1...