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How to make a select with array contains value clause in psql
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SELECT * FROM table WHERE arr @> ARRAY['s']::varchar[]
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How to generate a new Guid in stored procedure?
... using SQL Server. I'm sure other database system have similar functions.
select NEWID()
If you're using Oracle then you can use the SYS_GUID() function. Check out the answer to this question: Generate a GUID in Oracle
sh...
what is reverse() in Django
... question = get_object_or_404(Question, pk=question_id)
try:
selected = question.choice_set.get(pk=request.POST['choice'])
except KeyError:
# handle exception
pass
else:
selected.votes += 1
selected.save()
return HttpResponseRedirect(reve...
python-pandas and databases like mysql
...a_conn = cx_Oracle.connect('your_connection_string')
df_ora = pd.read_sql('select * from user_objects', con=ora_conn)
print 'loaded dataframe from Oracle. # Records: ', len(df_ora)
ora_conn.close()
And here is the equivalent example for MySQLdb:
import MySQLdb
mysql_cn= MySQLdb.connect(host='...
How to get the Android device's primary e-mail address
...T_DIRECTORY),
ProfileQuery.PROJECTION,
// Select only email addresses.
ContactsContract.Contacts.Data.MIMETYPE + " = ?",
new String[]{ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE},
// Show primary email add...
What does it mean when a CSS rule is grayed out in Chrome's element inspector?
... because one or more rules from the set are being applied to the currently selected DOM node.
I guess, for the sake of completeness, dev tools shows all the rules from that set, whether they are applied or not.
In the case where a rule is applied to the currently selected element due to inheritance...
Browse the files created on a device by the iOS application I'm developing, on workstation?
...in the bottom half of the window.
In Xcode 6, go to Window -> Devices, select the device, select the app name under Installed Apps, click the settings gearbox, then select Download container.... In finder, double finger tap the package and select Show package contents.
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Apply style to only first level of td tags
...>tr>td { border: solid 1px red; }
But! The ‘>’ direct-child selector does not work in IE6. If you need to support that browser (which you probably do, alas), all you can do is select the inner element separately and un-set the style:
.MyClass td { border: solid 1px red; }
.MyClass td...
How can I send an inner to the bottom of its parent ?
...main sticking points: no set heights, must be completely fluid (not enough chars to explain why display: table was not working). This handled everything beautifully; the images inside the div are also flipped when this happens so I just used the class on those elements to flip them back. Looks exac...
Splitting on first occurrence
...in the list will contain the remainder of the string (inclusive of any sep chars/strings).
– BuvinJ
Sep 10 '19 at 13:01
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