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What is the difference between “INNER JOIN” and “OUTER JOIN”?
... by the outer join ends up discarded (along with the blue one) effectively converting the join back to an inner one.
If the intention was to include only rows from B where Colour is Green and all rows from A regardless the correct syntax would be
SELECT A.Colour, B.Colour FROM A LEFT OUTER JOIN B O...
How can I prevent the “You have mixed tabs and spaces. Fix this?” message?
...ons On/Off
If you have the default VS settings, tabs in the editor are converted to spaces. So (in theory) if you clicked Untabify when the message comes up, it should convert all tabs to spaces and the errors should not appear next time. Are you working with other developers who have different ...
Django - limiting query results
...t work in django on a queryset: code.djangoproject.com/ticket/13089 If you convert the queryset to a list it will work.
– valem
Jan 9 at 16:48
1
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Using XPATH to search text containing
...lizes
whitespace within elements, ignoring
leading/trailing spaces and converting
extra spaces, tabs and newlines into a
single space. When Selenium reads text
out of the page, it attempts to
duplicate this behavior, so you can
ignore all the tabs and newlines in
your HTML and do ass...
Use tab to indent in textarea
... spaces instead of a tab? I tried doing   four times but it still converted it into a single space.
– jiaweizhang
Apr 18 '16 at 0:05
6
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Print all but the first three columns
...f you have an FS that's an RE you can't negate in a character set, you can convert it to a single char first (RS is ideal if it's a single char since an RS CANNOT appear within a field, otherwise consider SUBSEP), then apply the RE interval subsitution, then convert to the OFS. e.g. if chains of "."...
ASP MVC in IIS 7 results in: HTTP Error 403.14 - Forbidden
...
Maybe it's useful to someone:
After converting my app to MVC 4 with .NET framework 4.5 and installing the framework on my server with IIS 7.0 I encountered the same 'forbidden' error mentioned in the question. I tried all options described above to no avail, wh...
Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
... primary key and the error that occurred on that row...
This is in C#, but converting it to VB should not be hard.
foreach (DataRow dr in dataTable)
{
if (dr.HasErrors)
{
Debug.Write("Row ");
foreach (DataColumn dc in dataTable.PKColumns)
Debug.Write(dc.ColumnName...
Is there any particular difference between intval and casting to int - `(int) X`?
...
intval() can be passed a base from which to convert. (int) cannot.
int intval( mixed $var [, int $base = 10 ] )
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MySQL CONCAT returns NULL if any field contain NULL
...
convert the NULL values with empty string by wrapping it in COALESCE
SELECT CONCAT(COALESCE(`affiliate_name`,''),'-',COALESCE(`model`,''),'-',COALESCE(`ip`,''),'-',COALESCE(`os_type`,''),'-',COALESCE(`os_version`,'')) AS dev...