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Python/postgres/psycopg2: getting ID of row just inserted
... case you can use:
cursor.execute('INSERT INTO ........')
cursor.execute('SELECT LASTVAL()')
lastid = cursor.fetchone()['lastval']
Just in case it was useful for anyone!
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浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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慢的原因是因为执行了两条 Database dt_manager_log-select 语句。还有更详细的的，看看是怎么调用的
清晰的看到具体的语句，是怎么调用， 很明显这就是一个查询语句而查询的速度这么慢肯定是不正常的
接...
Save the console.log in Chrome to a file
... save the console output to a file natively
Open the console
Right-click
Select "save as.."
Chrome Developer instructions here.
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How can a windows service programmatically restart itself?
...location is in the services panel, right click the service in question and select properties, then choose recovery tab.
– James Michael Hare
Jul 7 '11 at 14:35
20
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How do I clone a github project to run locally?
...md\
In windows 7:
Right-click "Computer" on the Desktop or Start Menu.
Select "Properties".
On the very far left, click the "Advanced system settings" link.
Click the "Environment Variables" button at the bottom.
Double-click the "Path" entry under "System variables".
At the end of "Variable val...
:active pseudo-class doesn't work in mobile safari
...ed if the page is scrolled. In light of this, I suggest using this only on select elements. In my case, I am developing a web-app for use out in the field which is basically a list of buttons to navigate pages and submit actions. Because the whole page is pretty much buttons in some cases, this won'...
How to view AndroidManifest.xml from APK file?
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Android Studio can now show this. Go to Build > Analyze APK... and select your apk. Then you can see the content of the AndroidManifset file.
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Image Segmentation using Mean Shift explained
...tropic configuration:
At this time, it should be clear that you can't select how many "colors" you get after applying Mean Shift. So, let's show how to do it, because that is the second part of your question.
What you need to be able to set the number of output clusters in advance is somethi...
SQLAlchemy: how to filter date field?
... db.func.date(Chance.apply_time)>=start).count()
it is equal to:
select
count(id)
from
Chance
where
repo_id=:repo_id
and status='1'
and date(apple_time) <= end
and date(apple_time) >= start
wish can help you.
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How to resolve the C:\fakepath?
...before uploading. Now I have to upload the file to create a preview of the selected image.
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