大约有 47,000 项符合查询结果（耗时：0.0597秒） [XML]
json.dumps vs flask.jsonify
...
jsonify() handles lists now. See this commit.
– Jeff Widman
Jan 25 '16 at 19:14
3
...
Is there something like RStudio for Python? [closed]
...hat I can see Rodeo 2.0 uses Electron. It still is a browser tool, only it now comes with its own browser to make it feel like its a native app. (It's also worth mentioning that it comes with a dependency on NodeJS.)
– Phillip
Jan 17 '17 at 10:21
...
Delete element in a slice
...u want (for example, fmt.Println can take as many arguments as you want).
Now, when calling a function, ... does the opposite: it unpacks a slice and passes them as separate arguments to a variadic function.
So what this line does:
a = append(a[:0], a[1:]...)
is essentially:
a = append(a[:0], ...
In PHP, what is a closure and why does it use the “use” identifier?
... So it's ONLY used for closures? Thanks for you explanation, I did not know the difference between anonymous function and a closure
– SeanDowney
Jun 30 '09 at 19:01
140
...
Cannot pass null argument when using type hinting
...roblem I have with this is that it changes the definition of the function. Now the parameter is optional - which isn't really what the author intended (although, if he is passing it null, it is implicitly optional).
– crush
Jan 29 '13 at 13:35
...
Difference between android.app.Fragment and android.support.v4.app.Fragment
... use android.app.Fragment.
Edit: the OS-contained android.app.Fragment is now deprecated (as of API level 28), and everyone should move to using the support library implementations.
share
|
improve...
What's the difference between utf8_general_ci and utf8_unicode_ci?
...Unicode 9.0 - and with no equivalent _general variant. People reading this now should probably use one of these newer collations instead of either _unicode or _general. Much of what's written below is not of much interest anymore if you can use one of the newer collations instead.
Key differences
u...
How do I interactively unstage a particular hunk in git?
...
I should mention the more recent graphical Git clients now -- GitKraken is beautiful, and supports this (though it now comes with a hefty fee for commercial use). GitHub's GitHub Desktop is free, beautiful, and supports easily staging and unstaging hunks. GitKraken and GitHub Des...
What is the difference between null and undefined in JavaScript?
I want to know what the difference is between null and undefined in JavaScript.
33 Answers
...
Escape a string for a sed replace pattern
...PED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g')
# Now you can use ESCAPED_REPLACE in the original sed statement
sed "s/KEYWORD/$ESCAPED_REPLACE/g"
If you ever need to escape the KEYWORD string, the following is the one you need:
sed -e 's/[]\/$*.^[]/\\&/g'
And can be...