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How to convert an array to object in PHP?

... In the simplest case, it's probably sufficient to "cast" the array as an object: $object = (object) $array; Another option would be to instantiate a standard class as a variable, and loop through your array while re-assigning the values: $obje...
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this.setState isn't merging states as I would expect

...n to the existing selected part of the state by creating a shallow copy of it. Another solution would be to write setStateRecursively() which does recursive merge on a new state and then calls replaceState() with it: setStateRecursively: function(stateUpdate, callback) { var newState = mergeStat...
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How can I backup a remote SQL Server database to a local drive?

...te server to a local one. I tried to use SQL Server Management Studio, but it only backs up to a drive on the remote server. ...
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Java: Instanceof and Generics

... through my generic data structure for a value's index, I'd like to see if it is even an instance of the type this has been parametrized to. ...
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SQL: How to properly check if a record exists

... It's better to use either of the following: -- Method 1. SELECT 1 FROM table_name WHERE unique_key = value; -- Method 2. SELECT COUNT(1) FROM table_name WHERE unique_key = value; The first alternative should give you no r...
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How to automatically crop and center an image

Given any arbitrary image, I want to crop a square from the center of the image and display it within a given square. 7 Ans...
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“No backupset selected to be restored” SQL Server 2012

I have a SQL Server 2012 database with filestream enabled. However, when I backup it and try to restore it on another SQL Server 2012 instance (on another machine), I simply get this message that: ...
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django admin - add custom form fields that are not part of the model

I have a model registered in the admin site. One of its fields is a long string expression. I'd like to add custom form fields to the add/update page of this model in the admin that based on these fields values I will build the long string expression and save it in the relevant model field. ...
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What is the cleanest way to get the progress of JQuery ajax request?

... percentComplete = evt.loaded / evt.total; //Do something with upload progress here } }, false); xhr.addEventListener("progress", function(evt) { if (evt.lengthComputable) { var percentComplete = evt.loaded / evt.total; ...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

...a natural key instead of a surrogate key. Only you can assess if the benefit of this is significant in your application. That is, you can measure the queries in your application that are the most important to be speedy, because they work with large volumes of data or they are executed very frequ...