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What is Activity.finish() method doing exactly?
...e, then it does its checks and it moves on to the main activity (or to the Settings activity if there is an error), so the user shouldn't be able to go back.
– Francesco Marchetti-Stasi
Sep 3 '18 at 16:13
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Add primary key to existing table
...n ADD CONSTRAINT PK_Persion PRIMARY KEY (PersionId,Pname,PMID);
This can set constraint name by developer. It's more easily to maintain the table.
I got a little confuse when i have looked all answers. So I research some document to find every detail. Hope this answer can help other SQL beginner....
Restart node upon changing a file
For someone who is coming from PHP background the process of killing node and starting it again after every code change, seems very tedious. Is there any flag when starting a script with node to automatically restart node when code change is saved?
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Android Gradle plugin 0.7.0: “duplicate files during packaging of APK”
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Swift compiler segmentation fault when building
...from SegFaultDebugger.swift back to the original file and move a different set of methods into SegFaultDebugger.swift. Repeat
You get a segfault in SegFaultDebugger.swift: Great! Now use binary search to pin the segfault down to a specific method until you can figure out what construct is causing it...
Spring @Transactional - isolation, propagation
... of locking.
You can test using:
public class TransactionBehaviour {
// set is either using xml Or annotation
DataSourceTransactionManager manager=new DataSourceTransactionManager();
SimpleTransactionStatus status=new SimpleTransactionStatus();
;
public void beginTransactio...
How do I hide an element when printing a web page?
...e best practice is to use a style sheet specifically for printing, and and set its media attribute to print.
In it, show/hide the elements that you want to be printed on paper.
<link rel="stylesheet" type="text/css" href="print.css" media="print" />
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Is there any way to git checkout previous branch?
I sort of want the equivalent of cd - for git. If I am in branch master and I checkout foo , I would love to be able to type something like git checkout - to go back to master , and be able to type it again to return to foo .
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Xcode “The private key for is not installed on this mac - distributing”
... but Icouldn;t remember what keys, and I certainly didn't remember I had 2 sets of Private and Public one for the Development, and 1 for the Distribution. (If you have more that 1 distribution, I believe you would have additional sets.)
Steve
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