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Rails: create on has_one association

... First of all, here is how to do what you want: @user = current_user @shop = Shop.create(params[:shop]) @user.shop = @shop Now here's why your version did not work: You probably thought that this might work because if User had a ha...
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How to dynamically update a ListView on Android [closed]

...lns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <!-- Pretty hint text, and maxLines --> <EditText android:id="@+building_list/search_box" android...
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QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded

...ode browsing. While in private browsing, local storage is not available at all. One solution is to warn the user that the app needs non-private mode to work. UPDATE: This has been fixed in Safari 11, so the behaviour is now aligned with other browsers. ...
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is there a post render callback for Angular JS directive?

...s not a result of Angular but rather the browser. $timeout(fn) ultimately calls setTimeout(fn, 0) which has the effect interrupting the Javascript execution and allowing the browser to render the content first, before continuing the execution of that Javascript. – parliament ...
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How to avoid reinstalling packages when building Docker image for Python projects?

...ase WORKDIR /srv ADD ./requirements.txt /srv/requirements.txt RUN pip install -r requirements.txt ADD . /srv RUN python setup.py install ENTRYPOINT ["run_server"] Docker will use cache during pip install as long as you do not make any changes to the requirements.txt, irrespective of the fact whet...
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Javascript: get package.json data in gulpfile.js

...intend to read/modify/read-again). That does not make it a bad solution in all cases though. The OP explicitly mentioned he wanted to read information out of it. – Mangled Deutz Apr 14 '15 at 17:56 ...
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C++ unordered_map using a custom class type as the key

...rrides operator(), or as a specialization of std::equal, or – easiest of all – by overloading operator==() for your key type (as you did already). The difficulty with the hash function is that if your key type consists of several members, you will usually have the hash function calculate hash ...
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SQL DROP TABLE foreign key constraint

If I want to delete all the tables in my database like this, will it take care of the foreign key constraint? If not, how do I take care of that first? ...
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How do I view an older version of an SVN file?

...lyMunky Try svn cat | vim -. If vim's syntax highlighting doesn't automatically kick in, do :set syntax=java (or whichever language). – John Kugelman Nov 27 '12 at 4:10 1 ...
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Returning JSON from a PHP Script

... While you're usually fine without it, you can and should set the Content-Type header: <?php $data = /** whatever you're serializing **/; header('Content-Type: application/json'); echo json_encode($data); If I'm not using a particular fra...