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What is Ad Hoc Query?

... SQL query you just loosely type out where you need it var newSqlQuery = "SELECT * FROM table WHERE id = " + myId; ...which is an entirely different query each time that line of code is executed, depending on the value of myId. The opposite of an ad hoc query is a predefined query such as a Store...
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How to enable NSZombie in Xcode?

...cheme". To edit the scheme and turn on zombies: In the "Product" menu, select "Edit Scheme". Go to the "Run Foo.app" stage in the left panel, and the "Arguments" tab on the right. Add NSZombieEnabled to the "Environment Variables" section and set the value to YES, as you could in Xcode 3. In...
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libxml/tree.h no such file or directory

...n two ways: 1. Target settings Click on your target (not your project) and select Build Phases. Click on the reveal triangle titled Link Binary With Libraries. Click on the + to add a library. Scroll to the bottom of the list and select libxml2.dylib. That adds the libxml2 library to your project. 2...
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How to add manifest permission to an application?

...f you find answers that solve your question or seem helpful, its useful to select as "answered" and/or upvote, it helps out the community for anyone encountering the same problems. Thats not just directed to this question, but other questions you have asked also – Anthony Forlo...
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What is a method group in C#?

... Also, if you are using LINQ, you can apparently do something like myList.Select(methodGroup). So, for example, I have: private string DoSomethingToMyString(string input) { // blah } Instead of explicitly stating the variable to be used like this: public List<string> GetStringStuff()...
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T-SQL - function with default parameters

... you have to call it like this SELECT dbo.CheckIfSFExists(23, default) From Technet: When a parameter of the function has a default value, the keyword DEFAULT must be specified when the function is called in order to retrieve the default value. T...
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Renaming xcode 4 project and the actual folder

...e, click the icon shown in the screenshot below to bring up a file dialog. Select the folder that you previously renamed. This will re-associate the virtual folder with the real folder on disk, and will automatically fix the links to all the files inside. In your build settings, search for the old f...
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails

... write a plugin that would do something like: SampleModel.find(:all, :select => "DISTINCT(*)", :conditions => ["date > #{self.date}"], :limit => 1, :order => 'date', :group => "date").show_generated_sql and have this call the construct_finder_sql method. ...
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Facebook App: localhost no longer works as app domain

...working on localhost, port 3000 I did the following: Create App Now Select "+ Create Test App" from the arrow dropdown (top left). Add localhost to App Domains Add http://localhost:3000/ to Site URL by selected "+ Add Platform" Up to this point I had followed all previous answer...
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DataTrigger where value is NOT null?

... I'm using this to only enable a button if a listview item is selected (ie not null): <Style TargetType="{x:Type Button}"> <Setter Property="IsEnabled" Value="True"/> <Style.Triggers> <DataTrigger Binding="{Binding ElementName=lvMyList, Path=Selecte...