大约有 44,000 项符合查询结果(耗时:0.0362秒) [XML]

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jQuery attr vs prop?

...ns (<1.6), we just had attr. To get to DOM properties such as nodeName, selectedIndex, or defaultValue you had to do something like: var elem = $("#foo")[0]; if ( elem ) { index = elem.selectedIndex; } That sucked, so prop was added: index = $("#foo").prop("selectedIndex"); This was great, bu...
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Can't execute jar- file: “no main manifest attribute”

...o specify the Application's entry point in eclipse. When you say Export, Select Jar and next [ give it a name in the next window ] and next and next again and you'll see " Select the class of the application entry point". Just pick a class and Eclipse will automatically build a cool MANIFEST....
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How to Use slideDown (or show) function on a table row?

...uld try wrapping the contents of the row in a <span> and having your selector be $('#detailed_edit_row span'); - a bit hackish, but I just tested it and it works. I also tried the table-row suggestion above and it didn't seem to work. update: I've been playing around with this problem, and fr...
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How to get a list of properties with a given attribute?

...(typeof(MyAttribute), true) where attr.Length == 1 select new { Property = p, Attribute = attr.First() as MyAttribute}; share | improve this answer | ...
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Why doesn't Dictionary have AddRange?

...ined = dict1.Union(dict2) .GroupBy(kvp => kvp.Key) .Select(grp => grp.First()) .ToDictionary(kvp => kvp.Key, kvp => kvp.Value); The main trick when combining dictionaries is dealing with the duplicate keys. In the code above it's the part .Select(grp => g...
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Is it a good idea to index datetime field in mysql?

...ne table with 4 million records. Most of my queries use datetime clause to select data. Is it a good idea to index datetime fields in mysql database? ...
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How does the algorithm to color the song list in iTunes 11 work? [closed]

...hold &]; If[filterColor =!= 0, buckets = Select[buckets, ColorDistance[ Mean[#1], filterColor] > filterThreshold &]]; buckets = Sort[buckets, Length[#1] > Length[#2] &]; If[Length @ buckets == 0, Return[{}]]; co...
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Really Cheap Command-Line Option Parsing in Ruby

...y chairs are in the classroom", :default => 1 p.option :room_number, "select room number", :default => 2, :value_in_set => [1,2,3,4] end.process! Calling the script with -h or --help will print Usage: micro-optparse-example [options] -v, --[no-]verbose turn on verbose...
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Decimal precision and scale in EF Code First

...mp; t.Namespace == "YOURMODELNAMESPACE" select t) { foreach (var propAttr in classType.GetProperties(BindingFlags.Public | BindingFlags.Instance).Where(p => p.GetCustomAttribute<DecimalPrecisionAttribute>() != null).Select( p ...
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Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]

...". Locate the "Android Application" node in the tree at the left, and then select your project and go to the "Target" tab on the right side of the window look down for the "Additional Emulator Command Line Options" field (sometimes you'll need to make the window larger) and finally paste "-partition...