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Postgres NOT in array

I'm using Postgres' native array type, and trying to find the records where the ID is not in the array recipient IDs. 7 An...
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SQL Server: Is it possible to insert into two tables at the same time?

My database contains three tables called Object_Table , Data_Table and Link_Table . The link table just contains two columns, the identity of an object record and an identity of a data record. ...
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How to implement “select all” check box in HTML?

... Also, this code doesn't work in Safari 5 or Chrome 5. It works in FF 3.6, and IIRC, it worked in Safari 4. for(var i in checkboxes) checkboxes[i].checked = source.checked works in all browsers. – Can Berk Güder Jun 16 '10 at 11:18 ...
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What's the proper value for a checked attribute of an HTML checkbox?

...d="blue"> <input name=name id=id type=checkbox checked="false"> And only the following will be unchecked: <input name=name id=id type=checkbox> See also this similar question on disabled="disabled". share...
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Mark error in form using Bootstrap

... (UPDATED with examples for Bootstrap v4, v3 and v3) Examples of forms with validation classes for the past few major versions of Bootstrap. Bootstrap v4 See the live version on codepen <div class="container"> <form> <div class="form-group row...
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Rails params explained?

Could anyone explain params in Rails controller: where they come from, and what they are referencing? 5 Answers ...
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How to use NSJSONSerialization

..."id": "2", "name":"Bbb"}] This might give you a clear picture of how to handle it: NSError *e = nil; NSArray *jsonArray = [NSJSONSerialization JSONObjectWithData: data options: NSJSONReadingMutableContainers error: &e]; if (!jsonArray) { NSLog(@"Error parsing JSON: %@", e); } else { for...
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What's the $unwind operator in MongoDB?

...om your mind. The way that it stores your data is in the form of documents and collections, which allows for a dynamic means of adding and obtaining the data from your storage locations. That being said, in order to understand the concept behind the $unwind parameter, you first must understand what...
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How to set space between listView Items in Android

...t of XML for anyone maybe floating in here later via google: <ListView android:id="@+id/MyListView" android:layout_height="match_parent" android:layout_width="match_parent" android:divider="@android:color/transparent" android:dividerHeight="10.0sp"/> For some reason, values such as ...
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CSS How to set div height 100% minus nPx

...not w3c-approved, but every major browser supports it. Your two divs #left and #right will display a vertical scrollbar if their content is too high. For this to work under IE7, you have to trigger the standards-compliant mode by adding a DOCTYPE : <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4...