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Working with time DURATION, not time of day

...rmula, =A1, then highlight the cell, go into the formatting dropdown menu, select Custom, and type in dddd. Repeat all this in the row below. Finally, say you want to display that duration in cell D2. Enter the formula, =(a2+b2)-(a1+b1). If you want this displayed as "22h 30m", select the cell, ...
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Error deploying ClickOnce application - Reference in the manifest does not match the identity of the

...curity Settings" Ticked with the Option "This is a full trust application" Selected. This has to do with creating the Manifest correctly and the application will not install if these options are not set on all the Projects within the Solution that require it. I believe this is the proper way to fi...
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Focusable EditText inside ListView

... . All I want to do is be able to use the jogball/arrows, to navigate the selector to individual items like normal, but when I get to a particular row -- even if I have to explicitly identify the row -- that has a focusable child, I want that child to take focus instead of indicating the position w...
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What is a software framework? [closed]

...an abstraction in which common code providing generic functionality can be selectively overridden or specialized by user code providing specific functionality. Frameworks are a special case of software libraries in that they are reusable abstractions of code wrapped in a well-defined Application pro...
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How can I remove an SSH key?

...gether. Go to System --> Preferences --> Startup Applications, and unselect the "SSH Key Agent (Gnome Keyring SSH Agent)" box -- you'll need to scroll down to find it. You'll still get an ssh-agent, only now it will behave sanely: no keys autoloaded, you run ssh-add to add them, and if you w...
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What is HEAD in Git?

...sitory can contain any number of heads. At any given time, one head is selected as the “current head.” This head is aliased to HEAD, always in capitals". Note this difference: a “head” (lowercase) refers to any one of the named heads in the repository; “HEAD” (uppercas...
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Is there a way to create multiline comments in Python?

... In any case, your text editor should also be able to easily comment-out a selected region (by placing a # in front of each line individually). If not, switch to a text editor that does. Programming in Python without certain text editing features can be a painful experience. Finding the right edito...
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JPQL IN clause: Java-Arrays (or Lists, Sets…)?

... for JPA 1.0 but you can pass a Collection in JPA 2.0: String qlString = "select item from Item item where item.name IN :names"; Query q = em.createQuery(qlString, Item.class); List<String> names = Arrays.asList("foo", "bar"); q.setParameter("names", names); List<Item> actual = q.get...
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mysql check collation of a table

...ry INFORMATION_SCHEMA.TABLES and get the collation for a specific table: SELECT TABLE_SCHEMA , TABLE_NAME , TABLE_COLLATION FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't_name'; that gives a much more readable output in contrast to SHOW TABLE STATUS that contains a lot of irreleva...
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Dynamically adding a form to a Django formset with Ajax

...ice'); }); </script> In a javascript file: function cloneMore(selector, type) { var newElement = $(selector).clone(true); var total = $('#id_' + type + '-TOTAL_FORMS').val(); newElement.find(':input').each(function() { var name = $(this).attr('name').replace('-' + (t...