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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...
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.
...
jquery .html() vs .append()
...hods, this is what happens:
A temporary element is created, let's call it x. x's innerHTML is set to the string of HTML that you've passed. Then jQuery will transfer each of the produced nodes (that is, x's childNodes) over to a newly created document fragment, which it will then cache for next tim...
The tilde operator in Python
...wos-complement representation of the integer are reversed (as in b <- b XOR 1 for each individual bit), and the result interpreted again as a twos-complement integer. So for integers, ~x is equivalent to (-x) - 1.
The reified form of the ~ operator is provided as operator.invert. To support th...
Can I have onScrollListener for a ScrollView?
...ithout the coordinates. You can get them by using getScrollY() or getScrollX() from within the listener though.
scrollView.getViewTreeObserver().addOnScrollChangedListener(new OnScrollChangedListener() {
@Override
public void onScrollChanged() {
int scrollY = rootScrollView.getScrol...
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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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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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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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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