大约有 45,000 项符合查询结果(耗时:0.0525秒) [XML]

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Unique Key constraints for multiple columns in Entity Framework

... With Entity Framework 6.1, you can now do this: [Index("IX_FirstAndSecond", 1, IsUnique = true)] public int FirstColumn { get; set; } [Index("IX_FirstAndSecond", 2, IsUnique = true)] public int SecondColumn { get; set; } The second parameter in the attribute is where you can specify th...
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How do I access an access array item by index in handlebars?

I am trying to specify the index of an item in an array within a handlebars template: 9 Answers ...
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Hand Coded GUI Versus Qt Designer GUI [closed]

...e but with all generated code, once you edit it, you can no longer go back and regenerate it without losing your edits. We ended up just taking the generated code and doing everything by hand henceforth. Qt4 Qt4 has improved on Designer significantly. No longer does it only generate code, but you ...
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Why is Github asking for username/password when following the instructions on screen and pushing a n

I'm the owner of an organization on github and just created a repo and tried pushing but I'm running into an issue where it's asking me for my username even though I can SSH just fine: ...
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Event system in Python

...raries to choose from, using very different terminology (events, signals, handlers, method dispatch, hooks, ...). I'm trying to keep an overview of the above packages, plus the techniques mentioned in the answers here. First, some terminology... Observer pattern The most basic style of event system ...
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How can I get a list of build targets in Ant?

...ts without having to search through the file manually. Does ant have a command for this - something like ant show-targets - that will make it list all the targets in the build file? ...
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Gray out image with CSS?

... lower (to dull it). Alternatively, you could create a <div> overlay and set that to be gray (change the alpha to get the effect). html: <div id="wrapper"> <img id="myImage" src="something.jpg" /> </div> css: #myImage { opacity: 0.4; filter: alpha(opacity=40)...
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How to select rows from a DataFrame based on column values?

How to select rows from a DataFrame based on values in some column in Pandas? 10 Answers ...
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How to redirect 'print' output to a file using python?

...ee it initialized. My first guess is that glob doesn't find any bamfiles, and therefore the for loop doesn't run. Check that the folder exists, and print out bamfiles in your script. Also, use os.path.join and os.path.basename to manipulate paths and filenames. ...
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Android LocationClient class is deprecated but used in documentation

...e using the new/latest Location Service API... Enjoy developing :) import android.location.Location; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.widget.TextView; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms....