大约有 13,922 项符合查询结果（耗时：0.0321秒） [XML]
Ruby: extend self
In Ruby, I understand the basic idea of extend . However, what's happening in this segment of code? Specifically, what does extend do? Is it just a convenient way of making the instance methods into class methods? Why would you do it this way rather than specifying class methods from the beginnin...
How to check if a process is running via a batch script
...me up with, inspired by using grep, is:
tasklist /FI "IMAGENAME eq myapp.exe" 2>NUL | find /I /N "myapp.exe">NUL
if "%ERRORLEVEL%"=="0" echo Program is running
It doesn't need to save an extra file, so I prefer this method.
...
How to remove convexity defects in a Sudoku square?
...he first step is to adjust the brightness in the image, by dividing each pixel with the result of a closing operation:
src = ColorConvert[Import["http://davemark.com/images/sudoku.jpg"], "Grayscale"];
white = Closing[src, DiskMatrix[5]];
srcAdjusted = Image[ImageData[src]/ImageData[white]]
The ...
How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...ompiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this sum while compilation and print the result when compilation completes. As a hint, he told me that I may use generics and pre-processor...
No == operator found while comparing structs in C++
...memcmp so long your structs don't contain pointer.
– Xeo
Apr 21 '11 at 6:59
12
@Xeo: memcmp fails...
Pickle incompatibility of numpy arrays between Python 2 and 3
...problem: it is possible to pass encoding there as well: np.load('./bvlc_alexnet.npy', encoding='latin1')
– Serj Zaharchenko
Sep 9 '16 at 11:27
...
Is it possible to Pivot data using LINQ?
... @RobVermeulen I could translate that query into sql, so I would expect EF to be able to translate it as well. Give it a try I guess?
– Amy B
Feb 27 at 20:21
...
Is there a standard for storing normalized phone numbers in a database?
...ng phone numbers in database fields? I'm looking for something that is flexible enough to handle international numbers, and also something that allows the various parts of the number to be queried efficiently.
...
Changing capitalization of filenames in Git
...
See commit baa37bf by David Turner (dturner-tw).
mv: allow renaming to fix case on case insensitive filesystems
"git mv hello.txt Hello.txt" on a case insensitive filesystem always triggers "destination already exists" error, because these two names refer to the same path from the filesystem's po...