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How to create relationships in MySQL

...s defined as the default storage engine,can check using command (mysql> SELECT @@default_storage_engine;) – Arun Feb 18 at 4:00 add a comment  |  ...
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Want to find records with no associated records in Rails

... get everyone with no friends in the first case: Person.where('id NOT IN (SELECT DISTINCT(person_id) FROM friends)') share | improve this answer | follow | ...
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There is no ListBox.SelectionMode=“None”, is there another way to disable selection in a listbox?

How do I disable selection in a ListBox? 16 Answers 16 ...
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]

...these steps: Access to AWS Management Console Open Elastic Beanstalk Tab Select your application from All Applications Tab From left side menù select Configuration Click on the Instances Gear In Server Form check the EC2 Key Pair input and select your new Key Pair. You may have to refresh the lis...
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Can you organize imports for an entire project in eclipse with a keystroke?

... Select the project in the package explorer and press Ctrl + Shift + O (same keystroke as the single class version). Should work for packages, etc. s...
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html select only one checkbox in a group

So how can I only allow a user to select only one checkbox? 16 Answers 16 ...
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How to use SharedPreferences in Android to store, fetch and edit values [closed]

...); editor.putString("text", mSaved.getText().toString()); editor.putInt("selection-start", mSaved.getSelectionStart()); editor.putInt("selection-end", mSaved.getSelectionEnd()); editor.apply(); To retrieve data from sharedpreference SharedPreferences prefs = getPreferences(MODE_PRIVATE); Str...
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how to remove only one style property with jquery

I have a div with this property style="-moz-user-select:none; position:static !important;" . I need to remove the -moz-user-select Tried with $(selector).css() but I don't know what value to set because it's "none". ...
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How to filter logcat in Android Studio?

...ter on. Using this method you also save the filters and can re-use them by selecting them in the dropdown. Screenshot: share | improve this answer | follow |...
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How to implement if-else statement in XSLT?

...oooooooooo </h2> XSLT 2.0 Solution <h2> <xsl:value-of select="if ($CreatedDate > $IDAppendedDate) then 'm' else 'd'"/> ooooooooooooo </h2> share | improve this a...