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How to get all Errors from ASP.Net MVC modelState?

I want to get all the error messages out of the modelState without knowing the key values. Looping through to grab all the error messages that the ModelState contains. ...
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Remove all classes that begin with a certain string

... know which class from the group is on the div. I want to be able to clear all classes with a given prefix and then add a new one. If I want to remove all of the classes that begin with "bg", how do I do that? Something like this, but that actually works: ...
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PostgreSQL delete all content

Hello I want to delete all data in my postgresql tables, but not the table itself. How could I do this? 3 Answers ...
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Android: How to enable/disable option menu item on button click?

... Anyway, the documentation covers all the things. Changing menu items at runtime Once the activity is created, the onCreateOptionsMenu() method is called only once, as described above. The system keeps and re-uses the Menu you define in this meth...
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How can I list all foreign keys referencing a given table in SQL Server?

...highly referenced table in a SQL Server database. How can I get a list of all the foreign key constraints I will need to remove in order to drop the table? ...
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How to search all loaded scripts in Chrome Developer Tools?

In Firebug, you can search some text and it will look for it in all scripts loaded on a page. Can the same be done in Chrome Developer tools while debugging client script? I tried it, but it seems to search only in the script I have open, and not the rest that are on the page. ...
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Jquery select all elements that have $jquery.data()

... You could do $('[data-myAttr!=""]'); this selects all elements which have an attribute data-myAttr which is not equal to '' (so it must have been set); you could also use filter() $('*').filter(function() { return $(this).data('myAttr') !== undefined; }); ...
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Select Last Row in the Table

...cending. As an example, if you have a time stamp when the upload was done called upload_time, you'd do something like this; For Pre-Laravel 4 return DB::table('files')->order_by('upload_time', 'desc')->first(); For Laravel 4 and onwards return DB::table('files')->orderBy('upload_time',...
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Is there any difference between a GUID and a UUID?

...122) look similar and serve similar purposes, there are subtle-but-occasionally-important differences. Specifically, some Microsoft GUID docs allow GUIDs to contain any hex digit in any position, while RFC4122 requires certain values for the version and variant fields. Also, [per that same link], ...
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How to empty a redis database?

...e (how can I list those guys though ?). Any idea about how to get rid of all of them ? 6 Answers ...