大约有 28,700 项符合查询结果（耗时：0.0395秒） [XML]
RuntimeWarning: invalid value encountered in divide
... pre-initialize the output 'out' where the div0 error happens, eg np.where does not cut it since the complete line is evaluated regardless of condition.
example with pre-initialization:
a = np.arange(10).reshape(2,5)
a[1,3] = 0
print(a) #[[0 1 2 3 4], [5 6 7 0 9]]
a[0]/a[1] # errors at 3/0
ou...
Stop and Start a service via batch or cmd file?
...ice isn't stopped. Net stop/start returns after the action is complete, so doesn't have this problem.
– Dom
Jan 4 '14 at 1:58
...
Can an Android Toast be longer than Toast.LENGTH_LONG?
...all toast.show() repeatedly (every second or so should do). Calling show() doesn't break anything if the Toast is already showing, but it does refresh the amount of time it stays on the screen.
share
|
...
How do I create a new branch?
...
"Copy to... " does not appear on my menu - Versio n1.9.5 Build 27581
– NealWalters
Feb 8 '18 at 16:51
2
...
Unit testing of private methods [duplicate]
... make your test fixture a friend, it gets the access it needs, but no else does.
– ams
Aug 29 '18 at 23:01
add a comment
|
...
SQL Server 2008: how do I grant privileges to a username?
...the user has to be mapped to the database in question, otherwise "user ... does not exist in the database" error is given (stackoverflow.com/questions/7232559/… - see comments to the accepted answer) - i could to user-db mapping through Properties of the user's Login object
–...
ios app maximum memory budget
...e tips are:
Use nested NSAutoReleasePools to make sure your memory usage does not spike.
Use CGImageSource when creating thumbnails from large images.
Respond to low memory warnings.
share
|
impr...
How to retrieve inserted id after inserting row in SQLite using Python?
...
Btw, this works for INSERT but does not work for UPDATE. But when updating a row, you probably already have the corresponding row id anyways (just took me a while to figure this out...).
– CGFoX
Oct 25 '18 at 16:16
...
Storing Images in PostgreSQL
...ent from/in both directions. And no I don't know of an equal solution that does this without python.
– Kenyakorn Ketsombut
Mar 18 '16 at 3:40
add a comment
...
Android icon vs logo
... API Level 10, but not API Level 8
using android:logo without android:icon does not set the application icon in the app drawer
My hunch is that "logo" refers to a company logo instead of an application icon.
share
...