大约有 47,000 项符合查询结果（耗时：0.0376秒） [XML]
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...
How do I update a Linq to SQL dbml file?
... was getting 'Specified cast is not valid' errors when performing a simple select on a view. Including 1b fixed it for me
– tomfumb
Nov 29 '11 at 19:40
6
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Is there a query language for JSON?
...joined items
.equals("location.state", "TX")
//and even do custom selections
.select(function(rec) {
return {
fullname : rec.firstname + " " + rec.lastname,
city : rec.location.city,
ageInTenYears : (rec.age + 10)
};
});
It's ful...
mongodb: insert if not exists
...what data you want to write:
data = {"$set":{"key2":"value2"}}
Now your selected document will update the value of "key2" only and leave everything else untouched.
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...
Detecting taps on attributed text in a UITextView in iOS
...
It doesn't seem to work, when you have not-selectable UITextView
– Paul Brewczynski
Mar 2 '14 at 22:37
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sho...
How can I prevent SQL injection in PHP?
...
Using PDO (for any supported database driver):
$stmt = $pdo->prepare('SELECT * FROM employees WHERE name = :name');
$stmt->execute([ 'name' => $name ]);
foreach ($stmt as $row) {
// Do something with $row
}
Using MySQLi (for MySQL):
$stmt = $dbConnection->prepare('SELECT * FROM...
How to change the name of the active scheme in Xcode?
...t Scheme" from the "Product" menu.
Click on the "Manage Schemes…" button
Select the scheme whose name you wish to change
Press the "Return" key
It will select the name of the scheme and allow you to edit it.
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How can I backup a remote SQL Server database to a local drive?
...er to perform a decent backup of your database, even on a remote server:
Select the database you wish to backup and hit next,
In the options it presents to you:
In 2010: under the Table/View Options, change 'Script Data' and 'Script Indexes' to True and hit next,
In 2012: under 'General', change...
What are the alternatives now that the Google web search API has been deprecated? [closed]
...w, just put www.anyurl.com to get past this screen. More on this later ).
Select the CSE edition you want and accept the Terms of Service, then click Next. Select the layout option you want, and then click Next.
Click any of the links under the Next steps section to navigate to your Control panel.
...
How do CUDA blocks/warps/threads map onto CUDA cores?
...rpSize - 1) / WarpSize
There is no requirement for the warp schedulers to select two warps from the same thread block.
7'. An execution unit will not stall on a memory operation. If a resource is not available when an instruction is ready to be dispatched the instruction will be dispatched again i...