大约有 47,000 项符合查询结果（耗时：0.0394秒） [XML]
Format LocalDateTime with Timezone in Java8
...= DateTimeFormatter.ofPattern("yyyyMMdd HH:mm:ss.SSSSSS Z");
ZonedDateTime.now().format(FORMATTER);
=> "20140829 14:12:22.122000 +09"
share
|
improve this answer
|
follow...
Bubble Sort Homework
...
To explain why your script isn't working right now, I'll rename the variable unsorted to sorted.
At first, your list isn't yet sorted. Of course, we set sorted to False.
As soon as we start the while loop, we assume that the list is already sorted. The idea is this: as ...
Update Eclipse with Android development tools v. 23
I updated Eclipse with the new SDK tools (rev. 23), but now when Eclipse starts I receive the error:
43 Answers
...
How would Git handle a SHA-1 collision on a blob?
...The question of using SHA-256 is regularly mentioned, but not act upon for now (2012).
Note: starting 2018 and Git 2.19, the code is being refactored to use SHA-256.
Note (Humor): you can force a commit to a particular SHA1 prefix, with the project gitbrute from Brad Fitzpatrick (bradfitz).
g...
how to check and set max_allowed_packet mysql variable [duplicate]
...
@YusufIbrahim Short answer: I don't know. But a quick scan of this article suggests that it should be possible.
– morphatic
Nov 29 '19 at 18:54
...
Performance optimization strategies of last resort [closed]
...e of changes was this:
The first problem found was use of list clusters (now called "iterators" and "container classes") accounting for over half the time. Those were replaced with fairly simple code, bringing the time down to 20 seconds.
Now the largest time-taker is more list-building. As a perc...
numpy: most efficient frequency counts for unique values in an array
...y 1.9, the easiest and fastest method is to simply use numpy.unique, which now has a return_counts keyword argument:
import numpy as np
x = np.array([1,1,1,2,2,2,5,25,1,1])
unique, counts = np.unique(x, return_counts=True)
print np.asarray((unique, counts)).T
Which gives:
[[ 1 5]
[ 2 3]
...
jQuery append() vs appendChild()
...
Do you know why append is "safe" and appendChild is not? What does domManip do?
– Rob Fox
Mar 17 '14 at 8:29
2
...
Action bar navigation modes are deprecated in Android L
... class (such as setNavigationMode() , addTab() , selectTab() , &c). are now deprecated.
10 Answers
...
How do I create a URL shortener?
...for example).
For this example, I will use 12510 (125 with a base of 10).
Now you have to convert 12510 to X62 (base 62).
12510 = 2×621 + 1×620 = [2,1]
This requires the use of integer division and modulo. A pseudo-code example:
digits = []
while num > 0
remainder = modulo(num, 62)
dig...