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How to create id with AUTO_INCREMENT on Oracle?
...bir
BEFORE INSERT ON departments
FOR EACH ROW
BEGIN
SELECT dept_seq.NEXTVAL
INTO :new.id
FROM dual;
END;
/
UPDATE:
IDENTITY column is now available on Oracle 12c:
create table t1 (
c1 NUMBER GENERATED by default on null as IDENTITY,
c2 VARCHAR2(10)
);
or specify starti...
Newline in string attribute
How can I add a line break to text when it is being set as an attribute i.e.:
13 Answers
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Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
....
You can also get rid of meld and just edit the file with your favorite text editor.
The code between <<<< HEAD and ===== markers is the one of your local file before the merge.
The code between ==== and >>>> <branch name> is the one of the remote file.
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How do I format a string using a dictionary in python-3.x?
... me read the string format I am using as well as let me take advantage of existing dictionaries. For example:
8 Answers
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How do I implement interfaces in python?
...
"Interfaces are not necessary in Python. Except when they are."
– Baptiste Candellier
Feb 9 '19 at 18:01
9
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How to set a single, main title above all the subplots with Pyplot?
...lt.figure()
data=np.arange(900).reshape((30,30))
for i in range(1,5):
ax=fig.add_subplot(2,2,i)
ax.imshow(data)
fig.suptitle('Main title') # or plt.suptitle('Main title')
plt.show()
share
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Run a task every x-minutes with Windows Task Scheduler [closed]
I'm trying to get Windows Task Scheduler to run a particular .exe every 10 minutes or so, but the options only allow for once a day execution.
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How do I check OS with a preprocessor directive?
...:
Windows
_WIN32 Both 32 bit and 64 bit
_WIN64 64 bit only
Unix (Linux, *BSD, Mac OS X)
See this related question on some of the pitfalls of using this check.
unix
__unix
__unix__
Mac OS X
__APPLE__
__MACH__
Both are defined; checking for either should work.
Linux
__linux__
linux...
How do I do an OR filter in a Django query?
...
There is Q objects that allow to complex lookups. Example:
from django.db.models import Q
Item.objects.filter(Q(creator=owner) | Q(moderated=False))
share
|
im...
Why is there no Constant feature in Java?
...t is thought that the reservation of the keyword occurred to allow for an extension of the Java language to include C++-style const methods and pointer to const type. The enhancement request ticket in the Java Community Process for implementing const correctness in Java was closed in 2005, implying ...