大约有 45,000 项符合查询结果（耗时：0.0714秒） [XML]
Favorite Django Tips & Features?
...s of ...', I am curious to hear about your favorite Django tips or lesser known but useful features you know of.
55 Answers...
How do I concatenate two lists in Python?
...ession in Python; with it, joining two lists (applies to any iterable) can now also be done with:
>>> l1 = [1, 2, 3]
>>> l2 = [4, 5, 6]
>>> joined_list = [*l1, *l2] # unpack both iterables in a list literal
>>> print(joined_list)
[1, 2, 3, 4, 5, 6]
This functi...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
... and have it apply to just that project. Just thought some might want to know that here as well.
– Nick Gronow
Jun 2 '14 at 13:17
...
Cloning an Object in Node.js
....stringify(obj1));
Possibility 2 (deprecated)
Attention: This solution is now marked as deprecated in the documentation of Node.js:
The util._extend() method was never intended to be used outside of internal Node.js modules. The community found and used it anyway.
It is deprecated and should not b...
Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8
...
@ Andrew Thank you. Now I found the setting. The problem was the german translation. They translated "user agent" with "Zeichenfolge des Benutzer-Agents" and I thought this meant the charset. Some things should not be translated ;)
...
What's the difference between ES6 Map and WeakMap?
...eference, ever. That way garbage collection wouldn't be possible. I don't know if weak references are impossible or just don't make sense. But either way the key needs to be something that can be referenced weakly.
– Andreas Linnert
Jan 8 '16 at 14:00
...
Measure elapsed time in Swift
...I wrote to measure Project Euler problems in Swift
As of Swift 3, there is now a version of Grand Central Dispatch that is "swiftified". So the correct answer is probably to use the DispatchTime API.
My function would look something like:
// Swift 3
func evaluateProblem(problemNumber: Int, problemBl...
How to correctly save instance state of Fragments in back stack?
...e also been coding my apps with this expected behavior for quite some time now.
– Ricardo
Mar 28 '15 at 23:32
1
...
Importing a CSV file into a sqlite3 database table using Python
...n to a file on disk is left as an exercise for the reader ... but there is now a two-liner made possible by the pandas library
df = pandas.read_csv(csvfile)
df.to_sql(table_name, conn, if_exists='append', index=False)
shar...
How do you turn a Mongoose document into a plain object?
...ct({ getters: true })
console.log('doc _id:', doc._id)
}
})
and now it will work.
For reference, see: http://mongoosejs.com/docs/api.html#document_Document-toObject
share
|
improve this ...