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Are +0 and -0 the same?

...ly undefined for ±0/±0 and ±∞/±∞. The article contains further information about the different representations. So this is the reason why, technically, both zeros have to be distinguished. However, +0 === -0 evaluates to true. Why is that (...) ? This behaviour is explicitly define...
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Getting mouse position in c#

... You should use System.Windows.Forms.Cursor.Position: "A Point that represents the cursor's position in screen coordinates." share | improve this answer ...
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What makes a SQL statement sargable?

...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); }); $window.unbind('scroll', onScroll); } }; ...
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How do I create a message box with “Yes”, “No” choices and a DialogResult?

...e simple Yes/No choiced MessageBox, but I think it is nonsense to design a form for that. I thought I could use MessageBox, add buttons, etc. to accomplish this. It is simple, but since there is no DialogResult returned, how do I retrieve the result? ...
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Ruby on Rails form_for select field with class

...ss to html_options. http://api.rubyonrails.org/classes/ActionView/Helpers/FormOptionsHelper.html#method-i-select share | improve this answer | follow | ...
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How can I convert a string to boolean in JavaScript?

...se: var isTrueSet = (myValue.toLowerCase() === 'true'); Also, if it's a form element checkbox, you can also detect if the checkbox is checked: var isTrueSet = document.myForm.IS_TRUE.checked; Assuming that if it is checked, it is "set" equal to true. This evaluates as true/false. ...
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How can I check that a form field is prefilled correctly using capybara?

... I was having the same problem, but with a div rather than a form field. For anybody else having the same problem, use find_by_id().text rather than find_field().value. It took me ages to spot that value only worked on form fields… – John Y Sep ...
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Where and why do I have to put the “template” and “typename” keywords?

...es. Those names are therefore "dependent names". A name can take different forms - the Standard says: A name is a use of an identifier (2.11), operator-function-id (13.5), conversion-function-id (12.3.2), or template-id (14.2) that denotes an entity or label (6.6.4, 6.1) An identifier is just ...
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Difference between attr_accessor and attr_accessible

...ype => 'Corn', :quantity => 6, :price_off => 30 }) Even if your form doesn't have a field for :price_off, if it's in your model it's available by default. This means a crafted POST could still set it. Using attr_accessible white lists those things that can be mass assigned. ...
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How to make all Objects in AWS S3 bucket public by default?

... AWS tends to be opaque at times and probably for very good reason. This form of answer is helpful from ground zero. – Jerome Jun 2 '15 at 15:58 ...