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Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]

... Javascript is limited when making ajax requests outside of the current domain. Ex 1: your domain is example.com and you want to make a request to test.com => you cannot. Ex 2: your domain is example.com and you want to make a reques...
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How can I use UUIDs in SQLAlchemy?

...e careful not to miss passing the callable uuid.uuid4 into the column definition, rather than calling the function itself with uuid.uuid4(). Otherwise, you will have the same scalar value for all instances of this class. More details here: A scalar, Python callable, or ColumnElement expression r...
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Should a RESTful 'PUT' operation return something

...te.) HTTP status code 201 Created for a successful PUT of a new resource, with the most specific URI for the new resource returned in the Location header field and any other relevant URIs and metadata of the resource echoed in the response body. (RFC 2616 Section 10.2.2) HTTP status code 409 Conflic...
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TypeScript “this” scoping issue when called in jquery callback

... You have a few options here, each with its own trade-offs. Unfortunately there is no obvious best solution and it will really depend on the application. Automatic Class Binding As shown in your question: class DemonstrateScopingProblems { private status ...
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?

....+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this sum while compilation and print the result when compilation completes. As a hint, he told me that I may use generic...
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How to run mvim (MacVim) from Terminal?

I have MacVim installed and I am trying to set it up as the editor for Git (version control), but I can't run 'mvim' from the command line as it isn't recognised. How do I setup mvim so I can run it from Terminal? ...
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Trim spaces from start and end of string

I am trying to find a way to trim spaces from the start and end of the title string. I was using this, but it doesn't seem to be working: ...
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Assign an initial value to radio button as checked

How do I assign the value of a radio button initially as checked in HTML? 8 Answers 8 ...
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error: No resource identifier found for attribute 'adSize' in package 'com.google.example' main.xml

... Replace /res/ with /lib/ in your custom layout nampespace. xmlns:android="http://schemas.android.com/apk/res/android" in your case, would be: xmlns:yourApp="http://schemas.android.com/apk/lib/com.yourAppPackege.yourClass" I hope it helps....
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SQL Server Installation - What is the Installation Media Folder?

... If you've downloaded SQL from the Microsoft site, rename the file to a zip file and then you can extract the files inside to a folder, then choose that one when you "Browse for SQL server Installation Media" SQLEXPRADV_x64_ENU.exe > SQLEXPRADV_x64_ENU.zip 7zip will...