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Clearing intent

My Android app is getting called by an intent that is passing information (pendingintent in statusbar). 20 Answers ...
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SQL Joins Vs SQL Subqueries (Performance)?

...explicit JOIN. In my experience IN is a very slow operator, since SQL normally evaluates it as a series of WHERE clauses separated by "OR" (WHERE x=Y OR x=Z OR...). As with ALL THINGS SQL though, your mileage may vary. The speed will depend a lot on indexes (do you have indexes on both ID column...
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Pass props to parent component in React.js

...ase of direct parent-child relationship. When parent and child have potentially a lot of intermediaries, check this answer. Other solutions are missing the point While they still work fine, other answers are missing something very important. Is there not a simple way to pass a child's props to...
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Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?

...nterestingly, if you do this: 0.ToString("#.0#"); you get: .0 If you want all three digits: 0.ToString("0.00"); produces: 0.00 From the comments to this answer, your argument seems to be, it should show '0', because why would anyone ever want to see an empty string if the numeric value is 0?...
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How do I replace text inside a div element?

I need to set the text within a DIV element dynamically. What is the best, browser safe approach? I have prototypejs and scriptaculous available. ...
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Read-only list or unmodifiable list in .NET 4.0

...that's not a List, it's a Collection. So if you use it, you need to modify all your code to use Collection instead of List. – Roman Zabicki May 25 '16 at 13:50 ...
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After installation of Gulp: “no command 'gulp' found”

After installing gulp.js via npm, I receive a no command 'gulp' found error when running the gulp command from the same directory it was installed into. ...
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What is choice_set in this Django app tutorial?

...jango's ORM follows the relationship backwards from Question too, automatically generating a field on each instance called foo_set where Foo is the model with a ForeignKey field to that model. choice_set is a RelatedManager which can create querysets of Choice objects which relate to the Question i...
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Swapping column values in MySQL

...test s1, swap_test s2 SET s1.x=s1.y, s1.y=s2.x WHERE s1.id=s2.id; Essentially, the 1st table is the one getting updated and the 2nd one is used to pull the old data from. Note that this approach requires a primary key to be present. This is my test schema: CREATE TABLE `swap_test` ( `id` int(1...
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How to reset radiobuttons in jQuery so that none is checked

...ethods, .attr and .prop to get distinguish between these situations. .prop allows you to set a property on a DOM element, while .attr allows you to set an HTML attribute value. If you are working with plain DOM and set the checked property, elem.checked, to true or false you change the running value...