大约有 45,000 项符合查询结果（耗时：0.0750秒） [XML]
How can I remove a pytz timezone from a datetime object?
...t you cannot compare datetime.datetime objects where one is timezone aware and another is timezone naive.
##############################################################################
# MySQL example! where MySQL doesn't support timezones with its DATETIME type!
###################################...
How can I add items to an empty set in python
...>>> type(D)
<type 'set'>
What you've made is a dictionary and not a Set.
The update method in dictionary is used to update the new dictionary from a previous one, like so,
>>> abc = {1: 2}
>>> d.update(abc)
>>> d
{1: 2}
Whereas in sets, it is used to a...
Can we append to a {% block %} rather than overwrite?
...al.html" %}
Say you want to include a template in the middle of your page and you'd also like it to add some javascript in a block at the end of the page: calling block.super in the included template will crash.
Cf. Django issues #7324, #12008, #13399 and the related update to the documentation. Cf...
How to sort the result from string_agg()
...he question was about string_agg. Postgres was incidental to his question and he mentioned it last. The question is useful to others as well.
– nomen
Mar 5 at 17:42
1
...
UUID max character length
We are using UUID as primary key for out oracle DB, and trying to determine an appropriate max character length for the VARCHAR. Apparently this is 36 characters but we have noticed UUID'S generated which are longer than this - up to 60 characters in length.
Does anyone know a suitable max char leng...
fork() branches more than expected?
...ou get a feel for it, you should trace out on paper what each operation is and account for the number of processes. Don't forget that fork() creates a near-perfect copy of the current process. The most significant difference (for most purposes) is that fork()'s return value differs between parent ...
Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
I just discovered something weird about Android studio: it has some configuration options in the build.gradle file that override what is specified in the AndroidManifest.xml file.
...
android fragment onRestoreInstanceState
...r configuration changes, but what if you go to an activity from a fragment and then go back to the fragment?
– speedynomads
Jun 4 '13 at 16:41
1
...
String.replaceAll without RegEx
...ecial meaning. That's the complete opposite of what Pattern.quote() does, and what the OP was asking for (quote() says, "treat the string as a literal"). Maybe you could expand on what "undesirable results" you're talking about.
– Mark Peters
Jun 14 '16 at 13...
Linq with group by having count
...
For anyone looking to do this in vb (as I was and couldn't find anything)
From c In db.Company
Select c.Name Group By Name Into Group
Where Group.Count > 1
share
|
...