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Max or Default?
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Possibly this information is out of date, as I just successfully tested both forms of DefaultIfEmpty in LINQ to SQL
– Neil
Dec 21 '11 at 10:08
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Show constraints on tables command
...is shows you the SQL statement necessary to receate mytable in its current form. You can see all the columns and their types (like DESC) but it also shows you constraint information (and table type, charset, etc.).
share
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“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?
...lications.
I would love to see an incremental mode estimator of a similar form...
UPDATE
I just modified the incremental median estimator to estimate arbitrary quantiles. In general, a quantile function (http://en.wikipedia.org/wiki/Quantile_function) tells you the value that divides the data int...
iOS forces rounded corners and glare on inputs
iOS devices add a lot of annoying styles on form inputs, particularly on input[type=submit]. Shown below are the same simple search form on a desktop browser, and on an iPad.
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Viewing all defined variables [duplicate]
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oops, that didn't format too well. I'll add it to my answer.
– Harold
Mar 11 '09 at 3:01
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Passing ssh options to git clone
...when they need to connect to a remote system.
The command is in the same form as the GIT_SSH_COMMAND environment variable and is overridden when the environment variable is set.
It means the git clone can be:
cd /path/to/my/repo
git config core.sshCommand 'ssh -o UserKnownHostsFile=/dev/null -o...
Linq to Sql: Multiple left outer joins
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Don't have access to VisualStudio (I'm on my Mac), but using the information from http://bhaidar.net/cs/archive/2007/08/01/left-outer-join-in-linq-to-sql.aspx it looks like you may be able to do something like this:
var query = from o in dc.Orders
join v in dc.Vendors on o.Vendo...
MySql Table Insert if not exist otherwise update
...at would cause a duplicate value in a UNIQUE index orPRIMARY KEY, MySQL performs an [UPDATE`](http://dev.mysql.com/doc/refman/5.7/en/update.html) of the old row...
The ON DUPLICATE KEY UPDATE clause can contain multiple column assignments, separated by commas.
With ON DUPLICATE KEY UPDATE,...
what is reverse() in Django
...) and you want to redirect the user to /foo/ (often the case on successful form submission).
You could just do:
return HttpResponseRedirect('/foo/')
But what if you want to change the url in future? You'd have to update your urls.py and all references to it in your code. This violates DRY (Don't...
Should I use s and s inside my s?
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the nav element and the list provide different semantical information:
The nav element communicates that we're dealing with a major navigation block
The list communicates that the links inside this navigation block form a list of items
At http://w3c.github.io/html/sections.html#t...