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How do the post increment (i++) and pre increment (++i) operators work in Java?
...ompletes is 8.
i = a++ + ++a + ++a;
is
i = 5 + 7 + 8
Working: At the start value of a is 5. Use it in the addition and then increment it to 6 (current value 6). Increment a from current value 6 to 7 to get other operand of +. Sum is 12 and current value of a is 7. Next increment a from 7 to 8 ...
setResult does not work when BACK button pressed
...nPause and onDestroy? Those are totally not related except for that finish starts the termination process which onPause and onDestroy are part of.
– JBM
Aug 30 '11 at 19:45
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How to use ternary operator in razor (specifically on HTML attributes)?
...th mvc condition? I don't think so, because @ has already been used at the start.
– Mubashar Shahzad
Sep 28 '18 at 12:20
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Automatic counter in Ruby for each?
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I got tired of the distribution being behind so I started using rvm to manage my Ruby installation on Ubuntu and Linux Mint.
– the Tin Man
Mar 14 '10 at 7:33
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PowerShell equivalent to grep -f
...tus running you can do something like the snippet below in powershell
net start | grep Elasticsearch
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Scroll back to the top of scrollable div
...nt.getElementById("yourDivID").scrollIntoView({behavior: "smooth", block: "start", inline: "nearest"})
– Chris
Jun 15 at 14:39
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SQL Server 2008 can't login with newly created user
... button, and click OK.
Right-click on the SQL Server instance, select Restart (alternatively, open up Services and restart the SQL Server service).
This is also incredibly helpful for IBM Connections users, my wizards were not able to connect until I fxed this setting.
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JPA OneToMany not deleting child
... some search/ reading before i asked, just wanting to be save). somehow i start regretting the decision to use JPA API and nit Hibernate directly .. I will try Chandra Patni pointer and use the hibernate delete_orphan cascade type.
– bert
Jan 6 '10 at 8:12
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Choosing between qplot() and ggplot() in ggplot2 [closed]
I'm starting to use the great ggplot2 package for plotting in R, and one of the first things I ask myself before each plot is "well, will I use qplot or ggplot ?"
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Print number of keys in Redis
...raction of them matches the pattern.
Example in python; counting all keys starting with prefix_:
import redis
r = redis.StrictRedis(host = 'localhost', port=6379)
iter=1000
print 'Approximately', r.dbsize() * float(sum([r.randomkey().startswith('prefix_') for i in xrange(iter)])) / iter
Even ite...