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Integrate ZXing in Android Studio
I'll start explaining all the steps I have done and in the end what is the problem.
5 Answers
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What is a semaphore?
...s bouncers at a nightclub. There are a dedicated number of people that are allowed in the club at once. If the club is full no one is allowed to enter, but as soon as one person leaves another person might enter.
It's simply a way to limit the number of consumers for a specific resource. For exampl...
MongoDB aggregation framework match OR
...n' }] }
Like so, since the $match operator just takes what you would normally put into the find() function
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Why can't I access DateTime->date in PHP's DateTime class?
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XorifelseXorifelse
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Authorize Attribute with Multiple Roles
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MacGyverMacGyver
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Real life example, when to use OUTER / CROSS APPLY in SQL
... ORDER BY pr.name) pa
ORDER BY pr.name,
pa.name
2) Calling a Table Valued Function for each row in the outer query
SELECT *
FROM sys.dm_exec_query_stats AS qs
CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle)
3) Reusing a column alias
SELECT number,
doubled_number...
select * vs select column
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It always pulls a tuple (except in cases where the table has been vertically segmented - broken up into columns pieces), so, to answer the question you asked, it doesn't matter from a performance perspective. However, for many other reasons, (below) you should always select specifically those co...
Use StringFormat to add a string to a WPF XAML binding
...t info.
– DaWiseguy
May 2 '18 at 21:11
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for GridViewColumn headers, use HeaderStringFormat="{}{0...
Android - Start service on boot
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onStart() callback is deprecated. You should use onStartCommand() instead.
– mmBs
May 18 '16 at 13:52
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Read url to string in few lines of java code
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Just don't forget you need to call Scanner#close() later.
– Marcelo
Dec 21 '12 at 3:55
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