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What's “tools:context” in Android layout files?

... i see . according to the screenshot here : tools.android.com/_/rsrc/1337185954574/recent/newconfigchooser/… , it means that doesn't have to be a class that extends Context , right? if so, i think it does more that what you are saying , though i'm not sure what . ...
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Physical vs. logical / soft delete of database record?

...users username for new records. Working around this you could tack on a GUID to the deleted username column, but it's a very hacky workaround that I wouldn't recommend. Probably in that circumstance it would be better to just have a rule that once a username is used, it can never be replaced.) ...
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Get form data in ReactJS

....email); console.log("Password: " + this.state.password); } Working fiddle. Also, read the docs, there is a whole section dedicated to form handling: Forms Previously you could also use React's two-way databinding helper mixin to achieve the same thing, but now it's deprecated in favor of s...
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AVAudioPlayer throws breakpoint in debug mode

... As I have written the the "SOLUTION" section in my question, I do not consider this as a solution. The AVAudioPlayer shouldn't throw random exceptions. – ThomasCle Oct 22 '12 at 6:47 ...
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Select multiple images from android gallery

So basically what i am trying to achieve is opening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) ...
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What is a simple command line program or script to backup SQL server databases?

...says that WITH FORMAT formats the storage medium: "The FORMAT option invalidates the entire media contents, ignoring any existing content." Make sure this is what you want. – alexg May 10 '12 at 9:30 ...
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In SQL, how can you “group by” in ranges?

...score range], count(*) as [number of occurrences] from ( select user_id, case when score >= 0 and score< 10 then '0-9' when score >= 10 and score< 20 then '10-19' else '20-99' end as range from scores) t group by t.range ...
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How to wrap text around an image using HTML/CSS

... you have to float your image container as follows: HTML <div id="container"> <div id="floated">...some other random text</div> ... some random text ... </div> CSS #container{ width: 400px; background: yellow; } #floated{ float: left; ...
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Labels for radio buttons in rails form

...on to f.label will ensure the label tag's for attribute is the same as the id of the corresponding radio_button <% form_for(@message) do |f| %> <%= f.radio_button :contactmethod, 'email' %> <%= f.label :contactmethod, 'Email', :value => 'email' %> <%= f.radio_button ...
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How to check 'undefined' value in jQuery

... One of my problems was: if you are doing something like this ("#myId"), make sure what do you really need: a. typeof ("#myId")=== "undefined" b. Or: typeof ("#myId").val() === "undefined" – Alberici Dec 26 '14 at 22:54 ...