大约有 40,000 项符合查询结果（耗时：0.0524秒） [XML]
Days between two dates? [duplicate]
...est for calendar checks.
from datetime import timedelta, datetime
def cal_days_diff(a,b):
A = a.replace(hour = 0, minute = 0, second = 0, microsecond = 0)
B = b.replace(hour = 0, minute = 0, second = 0, microsecond = 0)
return (A - B).days
if __name__ == '__main__':
x = datetime...
Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error:
...
You deserve more than a +1 but +1 is all I have to give
– David
Dec 5 '13 at 14:59
8
...
Create folder with batch but only if it doesn't already exist
... @jpmc26 You are right, a trailing slash does the job and is actually preferable since it works with quotes (thus allowing you to have spaces in the directory path). To distinguish between either file/directory, this will work: if exist "a" if not exist "a\" (echo "it's a file") else (echo...
java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare();
...
How do i call a method in that Activity, which i am making a toast message in with this code?
– lxknvlk
Mar 22 '15 at 9:20
...
How can I make setInterval also work when a tab is inactive in Chrome?
...o get the elapsed time since the start instead of the end of the previous call. This is usually what you want when animating things. As it is now, if an execution of the interval function takes 15ms, elapsedTime will give 35ms (instead of 50ms which is the interval) next time it is called (when the ...
String Resource new line /n not possible?
... Studio. In AS when you extract a string using the IDE's tool, it automatically strips newline characters. You can just manually add them back in and it'll work fine. Not sure why it does this.
– George Rautenbach
Aug 1 '18 at 19:29
...
How do I get a list of all the duplicate items using pandas in python?
...rt issues. I would like to get a list of the duplicate items so I can manually compare them. When I try to use pandas duplicated method , it only returns the first duplicate. Is there a a way to get all of the duplicates and not just the first one?
...
Is it bad practice to have a constructor function return a Promise?
...create and initialize a new instance. It should set up data structures and all instance-specific properties, but not execute any tasks. It should be a pure function without side effects if possible, with all the benefits that has.
What if I want to execute things from my constructor?
That shou...
How to modify a text file?
...
This is an operating system thing, not a Python thing. It is the same in all languages.
What I usually do is read from the file, make the modifications and write it out to a new file called myfile.txt.tmp or something like that. This is better than reading the whole file into memory because the f...
BLE协议—广播和扫描 - 创客硬件开发 - 清泛IT社区，为创新赋能！
...广播方式的报文有4种，分别为可连接的非定向广播（ADV_IND）、可连接的定向广播（ADV_DIRECT_IND）、可扫描非定向广播（ADV_SCAN_IND）、不可连接的非定向广播（ADV_NONCONN_IND）
4种广播的使用场景各不相同
可连接的非定向广播（ADV...