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How do i add a custom field to a devise registration in Rails 4?

I am trying to add one field to my registration page that uses devise. I followed the instructions in the ... 'student' => 'static_pages#index' See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Remote EJB lookup using OpenEJB in Tomee

Am trying to use example given here http://openejb.apache.org/hello-world.html With OpenEJB I am able to output ... (total time: 0 seconds) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - generation of lines is not shown, attribute d of the path is empty

I'm trying to create lines that connect and generate an animation. I have an array of 2 positions, in each ... , 0); } displayLine(dataSet) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How To Make A Child Execute Command Button in C#

i having a little advance with Command Button lets say i having a form with label1 label2 label3 And one command ... way better than i make? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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xml - Regex: keep everything in <profession></profession> tags

I have a large XML, looking like this: <gender>M</gender> <last-name>*</last-name> <profession>2165dda2-dc59-41af- ... >]*> but that won't work. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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SQL Server performance in xquery with for loop

I have one sql table with xml column, which holds the value like following xml format <Security xmlns:xsd=" ... performance of this query?. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - android.database.sqlite.SQLiteDatatypeMismatchException: datatype mismatch (code 20)

I am trying to Insert data into Database, but getting problem, error says: android.database.sqlite.SQLiteDatatypeMismatchException: ... ); } }); See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Kohana 3.1 Controllers in Sub Folders within the Controller Folder

I need to create sub folders for my controllers for ease of managing and troubleshooting. I need to have ... Do I need custom routing? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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jquery - Connect divisions with line

I want a hierarchical structure for my project.I want to connect 2 division with a line(that line might be ... block should be like this. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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.net - ERROR_NO_TOKEN after call to WindowsIdentity.Impersonate()

I am using @MattJohnson's technique for impersonating a new user using C# on .NET 4.0 on a Windows 2008 R2 ... privileges. Isn't this odd? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - Margin between list rows disappears while scrolling?

I'm using a cards-UI layout in my app. On my physical device (android 2.3), It shows fine when the list ... please comment so I can add them. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c - Lost wakeups in pthreads

I've written a little to program to try out pthread conditional waits. But the problem is that there is no ... original code I posted is here. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Invocation of Kernel32.CreateFileMapping on Microsoft Azure Functions

Does Microsoft Azure Functions allow to invoke specific Win API functions (e.g.: Kernel32.CreateFileMapping) on the underlying Operating System? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - Setting Visibility="Collapsed" doesn't hide the Button. Update: Fixed by myself but I want to know the reason for the issue

I am creating a custom transport controls. In that, I have added an AppBarButton. To change the ... have used this CustomMediaTransportControls See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - updating the datagridview in form1 with changes in form2

I have done for clicking one the datagridview row cell in one form say form 1 another form say form 2 will open ... this ... many thanks.... See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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plpgsql - PostgreSQL sql-state: 42601 on SELECT INTO

Well, i'm trying to create a simple procedure, that check if user with such login, and if no - adding new row ... what is this. thx for help; See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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picturebox - Z-Index of Drawing Rectangle C#

I have an application which uses the mouse to free-draw a rectangle on a picbox image. However the rectangle only shows ... ) { mDown = false; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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r - simplifying a computation, so it could be done using matrix operations

The basic operation I have is an operation on two probability vectors of the same length. let's call ... of matrix # multiplications. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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iphone - strange multiple files download - NSURLConnection

I encounter a problem by following your comment. I would like to download different file at same time with ... them to the device folder. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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iphone - How do we publish our ios application for only our customers via our servers?

We have an application which will be used only by customers nationwide and for this reason we do not want to put ... to do if it is possible? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - return values in list that also have a negated value

def negated(a): a = set(a) for i in a: a.add(-i) return list(a) if a = [ 3, 4, 5, 6, 7, 8, -3, ... , -4 I don't know what's wrong with my code. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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253 views

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html - How to color input border bottom using CSS

I need to color a input border bottom when the input is not focus. This is my html code: <input type="number ... doesn't work. Anyone can help? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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ruby on rails - Unpermitted parameters on multiple paperclip file uploads Rails4

I've got a ruby 2.0.0 and rails 4.0.0 app that has a 'Guitar' and 'Photos' model. I've used ... ", unique: true, using: :btree end See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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csv - Deleting/replacing characters delimited by commas

I'm trying to delete by batch or vbs text delimited by commas (CSV) that are always in the same position. ... 'D:locationfile.csv' Thank you! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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278 views

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javascript - how to send a post request on checkbox check/uncheck event

i have 4 check box <input type="checkbox" name="1" id="1" data-toggle="toggle" data-onstyle="default" data-width=" ... id],0) how can i do this, See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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r - Reduce Font Size of datatable in a Flexdashboard

I'm working on a shiny flexdashboard, and one of the elements is a datatable with a lot of columns. Currently ... be smaller. Is this possible? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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206 views

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WPF: How to handle multi-XAML UIs? (Follow-Up)

This is a continuation of my previous thread: WPF: How to handle multi-XAML UIs? The proposed solution ( ... need the graphical designer. TIA See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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184 views

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javascript - Making a Canvas game responsive on resize

I am trying to make a pong canvas game responsive on resize, i am nor sure what i am missing and ... .addEventListener('resize', resizer); See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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