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Difference between Hive internal tables and external tables?

...ll me the difference between Hive's external table and internal tables. I know the difference comes when dropping the table. I don't understand what you mean by the data and metadata is deleted in internal and only metadata is deleted in external tables. Can anyone explain me in terms of nodes pleas...
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Calling startActivity() from outside of an Activity?

...the difference between setFlags() and addFlag() methods. All you are doing now is launching an activity with FLAG_ACTIVITY_NEW_TASK. As in the code posted by Cristian below. – JehandadK Mar 21 '12 at 5:18 ...
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Launching Google Maps Directions via an intent on Android

... Navigation intents seem to be officially supported now: developers.google.com/maps/documentation/android/… – Sanketh Katta Feb 15 '15 at 1:59 ...
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How can I get the list of files in a directory using C or C++?

...Ronkko. In Unix, it is a standard header. UPDATE 2017: In C++17 there is now an official way to list files of your file system: std::filesystem. There is an excellent answer from Shreevardhan below with this source code: #include <string> #include <iostream> #include <filesystem&gt...
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How to replace all occurrences of a string?

... Now from august 2020, you can use inbuilt replaceAll function, stackoverflow.com/a/63587267/8798220 – Nisharg Shah Aug 25 at 21:22 ...
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Determine if Android app is being used for the first time

...SET_APP_RUN_FIRST_TIME, "FIRST"); return App_runFirst; } } Now Open Your Activity & Initialize . private SharedPreference sharedPreferenceObj; // Declare Global Now Call this in OnCreate section sharedPreferenceObj=new SharedPreference(YourActivity.this)...
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How can I tell when a MySQL table was last updated?

...ENT_TIMESTAMP, KEY (updated_at) ); mysql> INSERT INTO foo VALUES (1, NOW() - INTERVAL 3 DAY), (2, NOW()); mysql> SELECT * FROM foo; +----+------+---------------------+ | id | x | updated_at | +----+------+---------------------+ | 1 | NULL | 2013-08-18 03:26:28 | | 2 | NULL | ...
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Why does AngularJS include an empty option in select?

... This may work for now, but the angular documentation specifically recommends against using ng-init for anything besides ng-repeat - see docs.angularjs.org/api/ng/directive/ngInit – Ed Norris Aug 8 '14 at ...
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Calculating frames per second in a game

...ading. "current_frame" would be more descriptive. It is also important to know that the variable "time" in the example must be global (i.e. keep it's value across all frames) and ideally a floating point number. It contains the average/aggregate value and get's updated on each frame. The higher the ...
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Missing file warnings showing up after upgrade to Xcode 4

I recently upgraded to Xcode 4 (which is a great upgrade) but now I'm getting some warnings that I did not get before. I have looked through forums and other SO posts but have not come across how to fix this. ...