大约有 20,000 项符合查询结果（耗时：0.0286秒） [XML]
Namespace for [DataContract]
I can't find the namespace to use for [DataContract] and [DataMember] elements. According to what I've found, it seems that adding the following should be enough, but in my case it is not.
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BigDecimal setScale and round
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One important point that is alluded to but not directly addressed is the difference between "precision" and "scale" and how they are used in the two statements. "precision" is the total number of significant digits in a number. "scale" is the number of d...
Can I change the name of `nohup.out`?
When I run nohup some_command & , the output goes to nohup.out ; man nohup says to look at info nohup which in turn says:
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How SignalR works internally?
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No, SignalR is an abstraction over a connection. It gives you two programming models over that connection (hubs and persistent connections). SignalR has a concept of transports, each transport decides how data is sent/received and how it connects and disconnects.
SignalR has a few bu...
Change how fast “title” attribute's tooltip appears
...there a way to change how fast the tooltip from an element's "title" attribute? I'd like it if the tooltip appeared immediately, but it seems to take a few seconds to apear.
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In Gradle, is there a better way to get Environment Variables?
...ll; this works as well:
home = "$System.env.HOME"
It's not clear what you're aiming for.
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Newline in markdown table?
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Use <br> to force a line break within a table cell.
Markdown Extra and MultiMarkdown allow tables, but after trial and error, it seems an HTML line break is needed in this case.
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running Rails console in production
I have just gone live with my first Rails site, but now I have a problem. When I run the project in development mode on my IDE I can run the console to something like:
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How to prepend a string to a column value in MySQL?
I need a SQL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value.
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Size of font in CSS with slash
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This actually sets two properties and is equivalent to:
font-size: 100%;
line-height: 120%;
To quote the official documentation:
The syntax of this property is based on a traditional typographical shorthand notation to set mul...