大约有 42,000 项符合查询结果(耗时:0.0553秒) [XML]

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How to set the margin or padding as percentage of height of parent container?

... The fix is that yes, vertical padding and margin are relative to width, but top and bottom aren't. So just place a div inside another, and in the inner div, use something like top:50% (remember position matters if it still doesn't work) ...
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How to return a value from a Form in C#?

...alue1 {get;set;} public string ReturnValue2 {get;set;} then set this inside your sub-form ok button click handler private void btnOk_Click(object sender,EventArgs e) { this.ReturnValue1 = "Something"; this.ReturnValue2 = DateTime.Now.ToString(); //example this.DialogResult = DialogRe...
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How to reuse existing C# class definitions in TypeScript projects

...tity framework domain model already there. I want my two projects (client side and server side) totally separated as two teams will work on this... JSON and REST is used to communicate objects back and forth. ...
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How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited

...g SQL Server 2005, you could use the FOR XML PATH command. SELECT [VehicleID] , [Name] , (STUFF((SELECT CAST(', ' + [City] AS VARCHAR(MAX)) FROM [Location] WHERE (VehicleID = Vehicle.VehicleID) FOR XML PATH ('')), 1, 2, '')) AS Locations FROM [Vehicle] It's...
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Presenting a UIAlertController properly on an iPad using iOS 8

...uced UIAlertController to replace UIActionSheet . Unfortunately, Apple didn't add any information on how to present it. I found an entry about it on hayaGeek's blog, however, it doesn't seem to work on iPad. The view is totally misplaced: ...
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No identities are available for signing Xcode 5

I have an error "No identities are available for signing" when try to validate my app in Xcode 5. I tried all: Recreate certificates and provisioning profiles, all methods which have been described on this site and another resources; I'm confused, because when I try to distribute my app as Ad-hoc, i...
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Convert a String In C++ To Upper Case

...oesn't get hoisted out of the per-char loop. See my answer. On the plus side, this may be properly UTF-8 aware, but the slowdown doesn't come from handling UTF-8; it comes from using a dynamic_cast to re-check the locale every character. – Peter Cordes May 12...
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What does “Object reference not set to an instance of an object” mean? [duplicate]

...es are primitives such as integers and booleans or structures (and can be identified because they inherit from System.ValueType). Boolean variables, when declared, have a default value: bool mybool; //mybool == false Reference types, when declared, do not have a default value: class ExampleClas...
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Large, persistent DataFrame in pandas

...at all of them together into one DataFrame. Does the DataFrame have to reside in memory? With SAS, I can work with datasets of any size as long as I have the hard-drive space. Is it the same with DataFrames? I get the impression they are constrained by RAM and not hard-drive space. Sorry for th...
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What algorithm does Readability use for extracting text from URLs?

...o get some insight from a theoretical perspective. You may also watch the video of my paper presentation on VideoLectures.net. "Readability" uses some of these features. If you carefully watch the SVN changelog, you will see that the number of strategies varied over time, and so did the extraction ...