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Can't su to user jenkins after installing Jenkins

...epted that service accounts shouldn't be able to log in interactively. I didn't answer this one initially as it's a duplicate of a question that has been moved to server fault. I should have answered rather than linked to the answer in a comment. if for some reason you want to login as jenkins, yo...
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How does lucene index documents?

...index and then used to look up the matching term(s) in the index. That provides a list of documents that match the query. share | improve this answer | follow ...
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Do while loop in SQL Server 2008

...uted BREAK; END GO ResultSet: 1 2 3 4 5 But try to avoid loops at database level. Reference. share | improve this answer | follow | ...
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I don't remember my android debug.keystore password

... Usually the debug.keystore password is just "android". You can delete it and Eclipse will automatically generate a new one, as described here. share | improve this answer ...
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How do you connect to multiple MySQL databases on a single webpage?

...ect_db('database2', $dbh2); Then to query database 1 pass the first link identifier: mysql_query('select * from tablename', $dbh1); and for database 2 pass the second: mysql_query('select * from tablename', $dbh2); If you do not pass a link identifier then the last connection created is used...
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html5 - canvas element - Multiple layers

...sh something similar. <div style="position: relative;"> <canvas id="layer1" width="100" height="100" style="position: absolute; left: 0; top: 0; z-index: 0;"></canvas> <canvas id="layer2" width="100" height="100" style="position: absolute; left: 0; top: 0; z-index: 1;...
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What does the thread_local mean in C++11?

...associated with the current thread is used. e.g. thread_local int i=0; void f(int newval){ i=newval; } void g(){ std::cout<<i; } void threadfunc(int id){ f(id); ++i; g(); } int main(){ i=9; std::thread t1(threadfunc,1); std::thread t2(threadfunc,2); std...
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Should each and every table have a primary key?

...y, rethink your design: most probably, you are missing something. Why keep identical records? In MySQL, the InnoDB storage engine always creates a primary key if you didn't specify it explicitly, thus making an extra column you don't have access to. Note that a primary key can be composite. If y...
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What is the HTML tabindex attribute?

...…, "The tabindex attribute, if specified, must have a value that is a valid integer". – Mark Amery Mar 26 '17 at 20:46 ...
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Strange, unexpected behavior (disappearing/changing values) when using Hash default value, e.g. Hash

Consider this code: 4 Answers 4 ...