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Submitting the value of a disabled input field

I want to disable an input field, but when I submit the form it should still pass the value. 4 Answers ...
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How do I find a “gap” in running counter with SQL?

...There isn't really an extremely standard SQL way to do this, but with some form of limiting clause you can do SELECT `table`.`num` + 1 FROM `table` LEFT JOIN `table` AS `alt` ON `alt`.`num` = `table`.`num` + 1 WHERE `alt`.`num` IS NULL LIMIT 1 (MySQL, PostgreSQL) or SELECT TOP 1 `num` + 1 FROM ...
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How do I compute derivative using Numpy?

...ess, you can also do differentiation by integration (see Cauchy's integral formula), it is implemented e.g. in mpmath (not sure however what they exactly do). – DerWeh Oct 1 '19 at 2:28 ...
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Append a Lists Contents to another List C#

...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); }); $window.unbind('scroll', onScroll); } }; ...
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Get/pick an image from Android's built-in Gallery app programmatically

...his is a complete solution. I've just updated this example code with the information provided in the answer below by @mad. Also check the solution below from @Khobaib explaining how to deal with picasa images. Update I've just reviewed my original answer and created a simple Android Studio project...
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Adding two numbers concatenates them instead of calculating the sum

... The following may be useful in general terms. First, HTML form fields are limited to text. That applies especially to text boxes, even if you have taken pains to ensure that the value looks like a number. Second, JavaScript, for better or worse, has overloaded the + operator with tw...
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demystify Flask app.secret_key

...ribes how a Signed Cookie is generated, and the second is presented in the form of a QA that addresses different aspects of the scheme. The syntax used for the examples is Python3, but the concepts apply also to previous versions. What is SECRET_KEY (or how to create a Signed Cookie)? Signing coo...
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How many bytes does one Unicode character take?

... useful in computing systems we need to choose a representation for this information. Those are the various unicode encodings, such as utf-8, utf-16le, utf-32 etc. They are distinguished largely by the size of of their codeunits. UTF-32 is the simplest encoding, it has a codeunit that is 32bits, whi...
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Enter “&” symbol into a text Label in Windows Forms?

How would one enter special characters into a Label in C# (Windows Forms)? 5 Answers ...
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How to center a WPF app on screen?

...creen class from a WPF app. You just need to reference the System.Windows.Forms assembly from your application. Once you've done that, (and referenced System.Drawing for the example below): Rectangle workingArea = System.Windows.Forms.Screen.PrimaryScreen.WorkingArea; ...works just fine. Have ...