大约有 40,000 项符合查询结果（耗时：0.0494秒） [XML]
Find a value anywhere in a database
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here's a new one: Explicit conversion from data type image to varchar(max) is not allowed. I am going to try and fix this on my own, but if someone beats me to it let me know, thanks!
– Taylor Brown
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What is causing this ActiveRecord::ReadOnlyRecord error?
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Monkey-patching is fragile - very easily broken by new rails versions. Definitely inadvisable given there are other solutions.
– Kelvin
Jun 22 '15 at 22:35
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Put buttons at bottom of screen with LinearLayout?
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You need to ensure four things:
Your outside LinearLayout has layout_height="match_parent"
Your inside LinearLayout has layout_weight="1" and layout_height="0dp"
Your TextView has layout_weight="0"
You've set the gravity properly on your inner LinearLayout: android:...
How do you use the ellipsis slicing syntax in Python?
This came up in Hidden features of Python , but I can't see good documentation or examples that explain how the feature works.
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Equivalent of LIMIT and OFFSET for SQL Server?
...antage here is the parameterization of the offset and limit in case you decide to change your paging options (or allow the user to do so).
Note: the @Offset parameter should use one-based indexing for this rather than the normal zero-based indexing.
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How do I switch between the header and implementation file in Xcode 4?
... Thank you, it was driving me nuts that I couldn't figure out the new shortcut in 4. I was so mad they changed it!
– Rob
Mar 26 '11 at 20:51
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Are unused CSS images downloaded?
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This would be browser dependent, since it's how they decide to implement the spec, however in a quick test here:
Chrome: Doesn't
FireFox: Doesn't
Safari: Doesn't
IE8: Doesn't
IE7: Doesn't
IE6: Unknown (Can someone test and comment?)
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What is .sln.docstates file created by Visual Studio Productivity Power Tools?
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Here is what Microsoft have to say about it:
The .docstates file new in this
release of the Pro Power Tools. It is
used by the Document Tab Well
extension to persist and hydrate the
state of the floating tab wells. This
information was being stored in the
hidden .suo file but w...
SQL select only rows with max value on a column [duplicate]
...All you need is a GROUP BY clause with the MAX aggregate function:
SELECT id, MAX(rev)
FROM YourTable
GROUP BY id
It's never that simple, is it?
I just noticed you need the content column as well.
This is a very common question in SQL: find the whole data for the row with some max value in a co...
Load and execute external js file in node.js with access to local variables?
... = function(path, context) {
var data = fs.readFileSync(path);
vm.runInNewContext(data, context, path);
}
Also note: modules loaded with require(…) don't have access to the global context.
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