大约有 30,160 项符合查询结果（耗时：0.0325秒） [XML]
How to customize a Spinner in Android
...ut.simple_spinner_item
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/text1"
style="@style/spinnerItemStyle"
android:maxLines="1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ellipsize="mar...
How to check whether an object has certain method/property?
...
|
show 4 more comments
86
...
Chaining multiple filter() in Django, is this a bug?
...ow that matches B.
Look at the example here:
https://docs.djangoproject.com/en/dev/topics/db/queries/#spanning-multi-valued-relationships
particularly:
Everything inside a single filter() call is applied simultaneously to filter out items matching all those requirements. Successive filter() ...
MySql Table Insert if not exist otherwise update
...ed as unsafe. (Bug #11765650, Bug #58637) Bug 58637 description bugs.mysql.com/bug.php?id=58637
– broadband
Sep 2 '14 at 13:28
...
How to change the author and committer name and e-mail of multiple commits in Git?
I was writing a simple script in the school computer, and committing the changes to Git (in a repo that was in my pendrive, cloned from my computer at home). After several commits I realized I was committing stuff as the root user.
...
How to make an AJAX call without jQuery?
...
add a comment
|
222
...
How do I replace all line breaks in a string with elements?
...ou can check out these threads for more information:
https://stackoverflow.com/a/11530881/5042169
https://stackoverflow.com/a/36524555/5042169
share
|
improve this answer
|
f...
Change the default editor for files opened in the terminal? (e.g. set it to TextEdit/Coda/Textmate)
...lications/TextEdit.app/Contents/MacOS/TextEdit"
or just type the following command into your Terminal:
echo "export EDITOR=\"/Applications/TextEdit.app/Contents/MacOS/TextEdit\"" >> ~/.bashrc
If you are using zsh, use ~/.zshrc instead of ~/.bashrc.
...
PHP validation/regex for URL
...f the random junk at the end is to deal with situations like http://domain.com. in a sentence (to avoid matching the trailing period). I'm sure it could be cleaned up but since it worked. I've more or less just copied it over from project to project.
...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...nsaction.TransactionManagementError exception.
Like caio mentioned in the comments, the solution is to capture your exception with transaction.atomic like:
from django.db import transaction
def test_constraint(self):
try:
# Duplicates should be prevented.
with transaction.atomi...