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Delete all documents from index/type without deleting type

... (using your example): curl -XDELETE 'http://localhost:9200/twitter/tweet/_query' -d '{ "query" : { "match_all" : {} } }' Or you could just delete the type: curl -XDELETE http://localhost:9200/twitter/tweet ...
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How to intercept touches events on a MKMapView or UIWebView objects?

...izer(target: nil, action: nil) tapInterceptor.touchesBeganCallback = { _, _ in self.lockedOnUserLocation = false } mapView.addGestureRecognizer(tapInterceptor) WildCardGestureRecognizer.swift import UIKit.UIGestureRecognizerSubclass class WildCardGestureRecognizer: UIGestureRecognizer { ...
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Setup RSpec to test a gem (not Rails)

...? I am not using jeweler or such tools. I just used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *.gemspec manually. I also added s.add_development_dependency "rspec", ">= 2.0.0" to gemspec and did a bundle install . ...
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How does inheritance work for Attributes?

...AttributeUsage (Inherited = True)] MyUberAttribute : Attribute { string _SpecialName; public string SpecialName { get { return _SpecialName; } set { _SpecialName = value; } } } Then use the Attribute by decorating a super-class... [MyUberAttribute(SpecialName = "Bob")] clas...
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Print PHP Call Stack

... If you want to generate a backtrace, you are looking for debug_backtrace and/or debug_print_backtrace. The first one will, for instance, get you an array like this one (quoting the manual) : array(2) { [0]=> array(4) { ["file"] => string(10) "/tmp/a.php" ["line"] => ...
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Can I set an opacity only to the background image of a div?

...e: linear-gradient(rgba(255,255,255,0.5), rgba(255,255,255,0.5)), url("your_image.png"); share | improve this answer | follow | ...
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What does Redis do when it runs out of memory?

...wered Nov 27 '14 at 14:41 daniel__daniel__ 10.3k1414 gold badges5858 silver badges9090 bronze badges ...
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How do you dynamically add elements to a ListView on Android?

....com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <Button android:id="@+id/addBtn" android:text="Add New Item" android:layout_width="fill_parent" android:layout_height="w...
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Array.push() if does not exist?

... it doesn't then just push the item into the array: var newItem = "NEW_ITEM_TO_ARRAY"; var array = ["OLD_ITEM_1", "OLD_ITEM_2"]; array.indexOf(newItem) === -1 ? array.push(newItem) : console.log("This item already exists"); console.log(array) ...
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On delete cascade with doctrine2

...de to the foreign key column in the database: @ORM\JoinColumn(name="father_id", referencedColumnName="id", onDelete="CASCADE") I also want to point out that the way you have your cascade={"remove"} right now, if you delete a Child object, this cascade will remove the Parent object. Clearly not wh...