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Rails select helper - Default selected value, how?

...e is the KEY: LOOK at your function (options_for_select() vs f.select. Remember these are different functions. – FlyingV Jan 29 '16 at 18:17 add a comment ...
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Remove duplicate rows in MySQL

... is to add a UNIQUE index on the 3 columns. When you write the ALTER statement, include the IGNORE keyword. Like so: ALTER IGNORE TABLE jobs ADD UNIQUE INDEX idx_name (site_id, title, company); This will drop all the duplicate rows. As an added benefit, future INSERTs that are duplicates will ...
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Can you detect “dragging” in jQuery?

... answered Nov 9 '10 at 23:39 Simen EchholtSimen Echholt 10.9k22 gold badges3131 silver badges2626 bronze badges ...
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jQuery - checkbox enable/disable

I have a bunch of checkboxes like this. If the "Check Me" checkbox is checked, all the other 3 checkboxes should be enabled, else they should be disabled. How can I do this using jQuery? ...
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Unable to locate tools.jar

... Yes, you've downloaded and installed the Java Runtime Environment (JRE) instead of the Java Development Kit (JDK). The latter has the tools.jar, java.exe, javac.exe, etc. share | ...
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How to hide Bootstrap modal with javascript?

...her on the client what is happening. Eg make sure that there aren't two elements with the same id. Eg does it work the first time after page load but not the second time? Browser's console: firebug for firefox, the debugging console for Chrome or Safari, etc. ...
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Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme

...esirable. After lots of trial and error, I found a solution that works for me: private static View view; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { if (view != null) { ViewGroup parent = (ViewGroup) view.getParent(); ...
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Visual Studio 2010 annoyingly opens documents in wrong MDI pane

Visual Studio's MDI is currently causing me a lot of frustration. Here is my basic layout: 5 Answers ...
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Replace tabs with spaces in vim

... IIRC, something like: set tabstop=2 shiftwidth=2 expandtab should do the trick. If you already have tabs, then follow it up with a nice global RE to replace them with double spaces. ...
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.gitignore and “The following untracked working tree files would be overwritten by checkout”

...ny effect on your working copy and it will just mark as removed the next time you commit. After the files are removed from the repo then the .gitignore will prevent them from being added again. But you have another problem with your .gitignore, you are excessively using wildcards and its causing it...