大约有 16,000 项符合查询结果（耗时：0.0600秒） [XML]
Use PPK file in Mac Terminal to connect to remote connection over SSH [closed]
...ght security settings otherwise SSH complains. Make sure only the user can read the key.
chmod go-rw privatekey.pem
share
|
improve this answer
|
follow
|
...
What are the pros and cons of performing calculations in sql vs. in your application
...; the server could be streaming rows which you consume as they arrive - a "reader" metaphor is not uncommon.
– Marc Gravell♦
Sep 22 '11 at 23:03
1
...
Ternary operation in CoffeeScript
... statements without an else clause:
if sunny
go_outside()
else
read_a_book().
if sunny then go_outside() else read_a_book()
Both become ternaries, both can be used as expressions. It's consistent, and there's no new syntax to learn. So, thanks for the suggestion, but I'm closing t...
How to get last items of a list in Python?
..., like a string) would look like this:
num_list[-9:]
When I see this, I read the part in the brackets as "9th from the end, to the end." (Actually, I abbreviate it mentally as "-9, on")
Explanation:
The full notation is
sequence[start:stop:step]
But the colon is what tells Python you're giv...
Extending an Object in Javascript
...ct-oriented than that?"
You don't need constructors, no new instantiation (read why you shouldn't use new), no super, no self-made __construct. You simply create Objects and then extend or morph them.
This pattern also offers immutability (partial or full), and getters/setters.
TypeScript
The TypeSc...
What's the difference between HEAD^ and HEAD~ in Git?
...-parse documentation is full of great information and is worth an in-depth read. See also Git Tools - Revision Selection from the book Pro Git.
Order of Parent Commits
The commit 89e4fcb0dd from git’s own history is a merge commit, as git show 89e4fcb0dd indicates with the Merge header line that d...
Does Python optimize tail recursion?
...
@Basic No, but you have to read the article you're commenting on. It seems very strongly that you didn't actually read it, considering how it "boils down" to you. (You might actually need to read both of the linked articles, unfortunately, since some a...
How can I check if a string represents an int, without using try/except?
... 0x4df, is a valid integer in some places, and 0891 is not in others. I dread to think what might arise given unicode in these kinds of checks.
– PlexQ
Mar 25 '12 at 17:03
3
...
Python csv string to array
...d,e,f
gęś,zółty,wąż,idzie,wąską,dróżką,
"""
f = StringIO(scsv)
reader = csv.reader(f, delimiter=',')
for row in reader:
print('\t'.join(row))
simpler version with split() on newlines:
reader = csv.reader(scsv.split('\n'), delimiter=',')
for row in reader:
print('\t'.join(row))...
How can I make one python file run another? [duplicate]
...oid where possible.
execfile('file.py') in Python 2
exec(open('file.py').read()) in Python 3
Spawn a shell process: os.system('python file.py'). Use when desperate.
share
|
improve this answer
...