大约有 47,000 项符合查询结果（耗时：0.0661秒） [XML]
Run batch file as a Windows service
... running. I am hence forced to have this batch file running and not logout from the Windows server.
8 Answers
...
How to define optional methods in Swift protocol?
... types to be Objective-C compatible. This means, only classes that inherit from NSObject can conform to such protocol. No structs, no enums, no associated types.
You must always check if an optional method is implemented by either optionally calling or checking if the conforming type implements it. ...
RE error: illegal byte sequence on Mac OS X
...s on demand:
Standard utility iconv can be used to convert to (-t) and/or from (-f) encodings; iconv -l lists all supported ones.
Examples:
Convert FROM ISO-8859-1 to the encoding in effect in the shell (based on LC_CTYPE, which is UTF-8-based by default), building on the above example:
# Conv...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...s of data. I encountered a very weird effect: Changing the loop variable from unsigned to uint64_t made the performance drop by 50% on my PC.
...
In Django, how do I check if a user is in a certain group?
...
You can access the groups simply through the groups attribute on User.
from django.contrib.auth.models import User, Group
group = Group(name = "Editor")
group.save() # save this new group for this example
user = User.objects.get(pk = 1) # assuming, there is one initial user
...
Single Sign On across multiple domains [closed]
...p). If the user has not signed in to the master it requests authentication from the user (ie. display login page). After the user is authenticated it creates a session in a database. If the user is already authenticated it looks up their session id in the database.
The master domain returns to the c...
Get the current first responder without using a private API
...ation sharedApplication] sendAction:@selector(resignFirstResponder) to:nil from:nil forEvent:nil];
This should be more effective than even [self.view.window endEditing:YES].
(Thanks to BigZaphod for reminding me of the concept)
...
Pretty printing XML in Python
...
Not a fan of redefining xml there from being a module to the output object, but the method otherwise works. I'd love to find a nicer way to go from the core etree to pretty printing. While lxml is cool, there are times when I'd prefer to keep to the core if I...
Remove items from one list in another
...o figure out how to traverse a generic list of items that I want to remove from another list of items.
9 Answers
...
String difference in Bash
...ee strings
a="this is a line"
b="this is"
c="a line"
To remove prefix b from a
echo ${a#"$b"} # a line
To remove suffix c from a
echo ${a%"$c"} # this is
share
|
improve this answer
...