大约有 19,000 项符合查询结果(耗时:0.0225秒) [XML]
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...
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Possibly this information is out of date, as I just successfully tested both forms of DefaultIfEmpty in LINQ to SQL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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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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$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...ient sends you a request method of 'post' or 'Post' when they intend to perform a POST request then they're in violation of spec, since HTTP methods are case-sensitive according to spec and the spec only defines the POST method, not e.g. the post or Post or pOsT method. I go into more detail about t...
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...
“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...
What are the differences between delegates and events?
...icle by John Skeet.
Example 1: Using public delegate
Suppose I have a WinForms app with a single drop-down box. The drop-down is bound to an List<Person>. Where Person has properties of Id, Name, NickName, HairColor. On the main form is a custom user control that shows the properties of that...
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...
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...
