大约有 27,000 项符合查询结果（耗时：0.0500秒） [XML]
Disable single warning error
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clang doesn't seem to support this pragma, but you can achieve the same effect with #pragma clang diagnostic push, #pragma clang diagnostic ignored "-Wunused-variable", and #pragma clang diagnostic pop. See "Controlling Diagnositi...
How To Save Canvas As An Image With canvas.toDataURL()?
...hrome this crashes the browser. If I display the image in an image tag, it does work but the right-click menu is greyed out - so I still can't save the image.
– Kokodoko
May 15 '14 at 16:39
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How do I see what character set a MySQL database / table / column is?
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This tells you the table character set. It doesn't tell you the character set of tables created in the future when no character set is specified in the create table syntax (you'll need the schema character set for that).
– HoldOffHunger
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Where is the .NET Framework 4.5 directory?
...ht 3.0 and 3.5 just added assemblies - not replacing (say) mscorlib as 4.5 does. Or was that maybe true for 3.0 but not 3.5?
– Jon Skeet
Mar 3 '12 at 13:32
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Weak and strong property setter attributes in Objective-C
...se the child object only
needs to exist as long as the parent object does.
- a weak reference is a reference that does not protect the referenced object from collection by a garbage collector.
- Weak is essentially assign, a unretained property. Except the when the object is deallocate...
What happens if you static_cast invalid value to enum class?
...is outside the representable range of an enum to the enum type. This still doesn't apply to the scenario in the question, since data[0] is of the underlying type of the enumeration (see above).
Please note that CWG 1766 is considered a defect in the Standard, hence it is accepted for compiler imple...
Speed up the loop operation in R
...These provide across-the-board speed gains. Honestly, it's a shame that R doesn't automatically use the most efficient library on install. Hopefully Revolution R will contribute the work that they've done here back to the overall community.
Radford Neal has done a bunch of optimizations, some of w...
Change Name of Import in Java, or import two classes with the same name
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@Bozho The way python does: import [fully-qualified-name] as [ident]. The “as” keyword doesn’t seem to fit in Java as well, an alternative is approximately what C# uses: import [ident] = [fully-qualified-name].
– Daniel...
Concatenate text files with Windows command line, dropping leading lines
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How does this skip the first line in file2, which the OP asked about?
– Dan Dascalescu
Aug 26 '15 at 22:03
1
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Set a cookie to never expire
..., 3 months and then refreshing the cookie with that period on each request does make some sense.
– Stijn de Witt
Sep 11 '14 at 20:09
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