大约有 46,000 项符合查询结果（耗时：0.1289秒） [XML]
Adding up BigDecimals using Streams
...ded a totalMapper variable, that has a function from Invoice to BigDecimal and returns the total price of that invoice.
Then I obtain a Stream<Invoice>, map it to a Stream<BigDecimal> and then reduce it to a BigDecimal.
Now, from an OOP design point I would advice you to also actually ...
JNI converting jstring to char *
... string from Java to C code as jstring data type through the use of JNI. And my library method needs a char * as url.
2...
What does “Protocol … can only be used as a generic constraint because it has Self or associated typ
...has the following requirement:
func ==(lhs: Self, rhs: Self) -> Bool
And a protocol that contains Self somewhere inside it cannot be used anywhere except in a type constraint.
Here is a similar question.
share
...
Automatically add newline at end of curl response body
...ly annoying condition where the shell prompt is in the middle of the line, and escaping is messed up enough that when I put the last curl command on the screen, deleting characters from that curl command deletes the wrong characters.
...
Converting pfx to pem using openssl
How to generate a .pem CA certificate and client certificate from a PFX file using OpenSSL.
3 Answers
...
MIN/MAX vs ORDER BY and LIMIT
...d field, using MIN() requires a single full pass of the table. Using SORT and LIMIT requires a filesort. If run against a large table, there would likely be a significant difference in percieved performance. As a meaningless data point, MIN() took .36s while SORT and LIMIT took .84s against a 106...
Search in all files in a project in Sublime Text 3
...tabs.
The keyboard shortcut is Ctrl⇧+F on non-Mac (regular) keyboards,
and ⌘⇧+F on a Mac.
You'll be presented with three boxes: Find, Where and Replace. It's a regular Find/Find-replace search where Where specifies a file or directory to search. I for example often use a file name or . for...
How do I list all loaded assemblies?
...Windows > Modules)
This gives details about each assembly, app domain and has a few options to load symbols (i.e. pdb files that contain debug information).
Using Process Explorer
If you want an external tool you can use the Process Explorer (freeware, published by Microsoft)
Click on a pr...
How to catch integer(0)?
.... True, but I don't think there's much of a performance issue either way, and length(x) == 0L reads more clearly to me.
– Richie Cotton
Jun 24 '11 at 10:04
...
Android.app Fragments vs. android.support.v4.app using ViewPager?
I have a question regarding the Android Support Libraries, Fragments, and as a specific example, the ViewPager class. My intention is to create an app with similar functionality to the sample provided on the Android Developer website ( http://developer.android.com/training/animation/screen-slide....