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How do I execute a stored procedure once for each row returned by query?

...1, @field2 fetch next from cur into @field1, @field2 END close cur deallocate cur in MS SQL, here's an example article note that cursors are slower than set-based operations, but faster than manual while-loops; more details in this SO question ADDENDUM 2: if you will be processing more tha...
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List comprehension vs. lambda + filter

... things that may slow down your use of filter. The first is the function call overhead: as soon as you use a Python function (whether created by def or lambda) it is likely that filter will be slower than the list comprehension. It almost certainly is not enough to matter, and you shouldn't think m...
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Getting result of dynamic SQL into a variable for sql-server

...an output variable to the dynamic statement??? – Tab Alleman Dec 20 '16 at 16:18 add a comment  |  ...
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AsyncTaskLoader vs AsyncTask

...s using onRetainNonConfigurationInstance() kick the right loader when you call initLoader() in your Activity You need to use the LoaderManager to interface with the loaders, and provide the needed callbacks to create your loader(s) and populate your views with the data they return. Generally it ...
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Virtual Serial Port for Linux

...l port, but will send/receive everything it does via /dev/ptyp5. If you really need it to talk to a file called /dev/ttys2, then simply move your old /dev/ttys2 out of the way and make a symlink from ptyp5 to ttys2. Of course you can use some number other than ptyp5. Perhaps pick one with a high ...
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What's a standard way to do a no-op in python?

...e those if statements, but for readability I find it helps to include them all, so that if you are looking through the code you can see what happens as a result of each option. How do I code the no-op? Currently, I'm doing it like this: ...
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:after vs. ::after

...or ::first-letter, things that aren't elements in their own right. Actually, better description here: http://bricss.net/post/10768584657/know-your-lingo-pseudo-class-vs-pseudo-element Also here: http://www.evotech.net/blog/2007/05/after-v-after-what-is-double-colon-notation/ ...
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Nginx not picking up site in sites-enabled?

... I had the same problem. It was because I had accidentally used a relative path with the symbolic link. Are you sure you used full paths, e.g.: ln -s /etc/nginx/sites-available/example.com.conf /etc/nginx/sites-enabled/example.com.conf ...
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How to use R's ellipsis feature when writing your own function?

...e. For use of unevaluated ... argument look at write.csv code where match.call is used. As you write in comment result in Dirk answer is not a list of lists. Is a list of length 4, which elements are language type. First object is a symbol - list, second is expression 1:10 and so on. That explain wh...
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?

...base-package="com.yourcompany" /> About singletons - spring beans are all in singleton scope by default. The only thing you have to have in mind is that you should not store state in field variables (they should only hold dependencies). Thus your application will be thread-safe, and you won't r...