大约有 34,900 项符合查询结果（耗时：0.0553秒） [XML]
What is the use of interface constants?
... Implementing a constant interface causes this implementation detail to leak into the class's exported API. It is of no consequence to the users of a class that the class implements a constant interface. In fact, it may even confuse them. Worse, it represents a commitment: if in a future release the...
How to create nonexistent subdirectories recursively using Bash?
I am creating a quick backup script that will dump some databases into a nice/neat directory structure and I realized that I need to test to make sure that the directories exist before I create them. The code I have works, but it seems that there is a better way to do it. Any suggestions?
...
How to execute multi-line statements within Python's own debugger (PDB)
...be achieved using the pdb interact command (as I learned from this bug tracker message).
– gerrit
Jun 11 '14 at 15:15
3
...
What is the proper way to use the node.js postgresql module?
I am writing a node.js app on Heroku and using the pg module . I can't figure out the "right" way to get a client object for each request that I need to query the database.
...
How do I get the current date in JavaScript?
...
Samuel MeddowsSamuel Meddows
30.2k1212 gold badges3434 silver badges3535 bronze badges
...
How do I import .sql files into SQLite 3?
...
Dominic RodgerDominic Rodger
87.2k2828 gold badges185185 silver badges205205 bronze badges
...
Detecting programming language from a snippet
...
I think that the method used in spam filters would work very well. You split the snippet into words. Then you compare the occurences of these words with known snippets, and compute the probability that this snippet is written in la...
Could not find default endpoint element
...
Gone Coding
86.4k2323 gold badges167167 silver badges183183 bronze badges
answered Apr 29 '10 at 13:18
L.R.L.R.
...
Operator precedence with Javascript Ternary operator
...assName + (h.className ? ' error' : 'error')
You want the operator to work for h.className, better be specific about it.
Of course, no harm should come from h.className += ' error', but that's another matter.
Also, note that + has precedence over the ternary operator: JavaScript Operator Precede...
How to clear the canvas for redrawing
...
sdgfsdh
20.5k1313 gold badges7171 silver badges150150 bronze badges
answered Jan 26 '10 at 20:52
Pentium10Pentium...