大约有 32,294 项符合查询结果（耗时：0.0557秒） [XML]
html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...n attempt was made to add something to storage that exceeded the quota."
What happens is that the window object still exposes localStorage in the global namespace, but when you call setItem, this exception is thrown. Any calls to removeItem are ignored.
I believe the simplest fix (although I have...
Disable a Button
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I thought this was exactly what I was looking for, but this appears to be UIKit only, not AppKit.
– drootang
Dec 21 '16 at 15:39
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A std::map that keep track of the order of insertion?
...unique string identifier, and I do look up with the string. It does mostly what I want, except for that it does not keep track of the insertion order. So when I iterate the the map to print out the values, they are sorted according to the string; but I want them to be sorted according to the order o...
Creating a system overlay window (always on top)
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@pengwang: what errors are you getting? This code is not independent, you need to place them in your project with appropriate file names under appropriate project.
– Sarwar Erfan
Dec 28 '10 at 3:34...
Method overloading in Objective-C?
As far as my knowledge, Objective-C does not support method overloading. What can be the alternative for this in Objective-C? Or should I always use different method name?
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Why do we need to install gulp globally and locally?
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Yes but what when you dont have internet access? How can you use gulp if it's not globaly installed?
– IGRACH
Aug 14 '14 at 6:25
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mongo group query how to keep fields
...ightalchemist It is not possible. It's kind of a trick to let 'group' know what to choose.
– TechWisdom
Mar 24 '18 at 23:21
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String concatenation vs. string substitution in Python
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What you want to concatenate/interpolate and how you want to format the result should drive your decision.
String interpolation allows you to easily add formatting. In fact, your string interpolation version doesn't do th...
Difference between int[] array and int array[]
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int array[] makes more sense to me. What do you think about this declaration? int[] x, y? Is y an array or not? Maybe it is, maybe it isn't. Only Java's gurus can answer with confidence....
– user1508893
Feb 18 '13 at 4:12...
Checking if a variable is defined?
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along with what @AndrewMarshall said, avoid this idiom with anything that might return nil as well unless you really want to evaluate the expression every time it's called when it does return nil
– nzifnab
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