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returning in the middle of a using block

...t's because return statement makes the end of the using block inaccessible by any code paths. The end of the using block needs to be ran so the object can be disposed if needed. – mekb Jul 22 '19 at 11:21 ...
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What does android:layout_weight mean?

... To define which of them will be affected by weight. Width or height. – neteinstein Feb 26 '14 at 15:25 30 ...
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INNER JOIN vs LEFT JOIN performance in SQL Server

...T JOIN is absolutely not faster than an INNER JOIN. In fact, it's slower; by definition, an outer join (LEFT JOIN or RIGHT JOIN) has to do all the work of an INNER JOIN plus the extra work of null-extending the results. It would also be expected to return more rows, further increasing the total e...
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How do I perform the SQL Join equivalent in MongoDB?

...documentation.readthedocs.io/en/latest/ecosystem/tutorial/model-data-for-ruby-on-rails.html When we display our list of stories, we'll need to show the name of the user who posted the story. If we were using a relational database, we could perform a join on users and stores, and get all our objects...
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If threads share the same PID, how can they be identified?

...shares its PID with any threads it starts. Thread ID's are usually managed by the thread library itself (such as pthread, etc...). If the 4 threads are started they should have the same PID. The kernel itself will handle thread scheduling and such but the library is the one that is going to be manag...
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Twitter Bootstrap CSS affecting Google Maps

... to add #mapCanvas img { width: auto; display:inline; } as mentioned below by @nodrog – jlb Mar 9 '12 at 18:58 From Bo...
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Building a notification system [closed]

...g (object = event, friendship..) being changed (verb = added, requested..) by someone (actor) and reported to the user (subject). Here is a normalized data structure (though I've used MongoDB). You need to notify certain users about changes. So it's per-user notifications.. meaning that if there wer...
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How do I use variables in Oracle SQL Developer?

... In SQL Developer, substitution variables defined by DEFINE seem to be persistent between query executions. If I change the variable value, but do not explicitly highlight the DEFINE line when executing, the previous value remains. (Is this because of the double && ...
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Understanding Python super() with __init__() methods [duplicate]

... If you are here and still confused, please read the answer by Aaron Hall you will leave this page much happier: stackoverflow.com/a/27134600/1886357 – eric Feb 18 '19 at 23:53 ...
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How to append data to div using JavaScript?

... Try this: var div = document.getElementById('divID'); div.innerHTML += 'Extra stuff'; share | improve this answer | follow ...