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Oracle: If Table Exists

...nd most efficient way is to catch the "table not found" exception: this avoids the overhead of checking if the table exists twice; and doesn't suffer from the problem that if the DROP fails for some other reason (that might be important) the exception is still raised to the caller: BEGIN EXECUTE...
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Accessing UI (Main) Thread safely in WPF

I have an application which updates my datagrid each time a log file that I'm watching gets updated (Appended with new text) in the following manner: ...
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Difference between android.app.Fragment and android.support.v4.app.Fragment

What is the difference between android.app.Fragment and android.support.v4.app.Fragment , and what are the circumstances in which each should be used? ...
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Install autoreconf on OS X v10.7 (Lion)?

... Just did this, autoconf is installed as a dependency of automake cc: @XavierShay – rohitpaulk May 4 '17 at 3:36 ...
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What is the difference between Amazon S3 and Amazon EC2 instance?

... answered Jan 18 '13 at 4:28 David LevesqueDavid Levesque 20k88 gold badges6060 silver badges7575 bronze badges ...
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Android, How can I Convert String to Date?

...ort java.util.Date; public class MyClass { public static void main(String args[]) { SimpleDateFormat formatter = new SimpleDateFormat("EEE MMM dd HH:mm:ss Z yyyy"); String dateInString = "Wed Mar 14 15:30:00 EET 2018"; SimpleDateFormat formatterOut = new Simple...
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In Vim/Vi, how do you move the cursor to the end of the previous word?

...e wondering the difference between ge and be, it's that you can be in the middle of the word and you'll go to the end of the previous, while be you need to be on the first char of the initial word. – TankorSmash Dec 4 '13 at 4:06 ...
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Use IntelliJ to generate class diagram

... IntelliJ IDEA 14+ Show diagram popup Right click on a type/class/package > Diagrams > Show Diagram Popup... or Ctrl+Alt+U Show diagram (opens a new tab) Right click on a type/class/package > Diagrams > Show Diagram.....
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php check if array contains all array values from another array

...out if $all contains all $search_this values and return true or false. any idea please? 5 Answers ...
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What does the 'Z' mean in Unix timestamp '120314170138Z'?

...al time zones is based on longitudinal position, the Z time is not exactly identical to the actual GMT time 'zone'. However, since it is primarily used as a reference time, it doesn't matter what area of Earth it applies to as long as everyone uses the same reference. From wikipedia again, http://e...