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Fastest way to count exact number of rows in a very large table?
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10
I have come across articles that state that SELECT COUNT(*) FROM TABLE_NAME will be slow whe...
How to see query history in SQL Server Management Studio
...open up in SQL profiler at a later date:
DECLARE @TraceID INT
DECLARE @ON BIT
DECLARE @RetVal INT
SET @ON = 1
exec @RetVal = sp_trace_create @TraceID OUTPUT, 2, N'Y:\TraceFile.trc'
print 'This trace is Trace ID = ' + CAST(@TraceID AS NVARCHAR)
print 'Return value = ' + CAST(@RetVal AS NVARCHAR)
--...
Accessing inactive union member and undefined behavior?
...re N equals sizeof(T). The value representation of an object is the set of bits that
hold the value of type T. For trivially copyable types, the value representation is a set of bits in the object
representation that determines a value, which is one discrete element of an implementation-defined...
How to add one day to a date? [duplicate]
...dtOrg.plusDays(1);
Solution 3: With Java 8 you can also use the new JSR 310 API (which is inspired by Joda-Time):
Date dt = new Date();
LocalDateTime.from(dt.toInstant()).plusDays(1);
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What is the runtime performance cost of a Docker container?
... Docker container. I've found references to networking anecdotally being ~100µs slower .
3 Answers
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Return value in a Bash function
... of text.
– jrahhali
Nov 2 '18 at 0:10
What if a function has to do both? That is, send some output from the script, a...
anchor jumping by using javascript
...ow (and possibly stackexchange, too) can't remember how I gathered all the bits and pieces. ☺
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Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
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Add position absolute to the iframe so when inserted there isn't a random bit of whitespace at the bottom of the page.
Also it's important to note that I have not found a need for this approach with Android. Using window.location.href should work fine.
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Java - get pixel array from image
...constructor, depending on the image you're dealing with. Hope this helps a bit!
– Motasim
Aug 1 '13 at 19:21
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Do I need all three constructors for an Android custom view?
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– android developer
Sep 14 '13 at 20:10
can I add extra parameters to constructor and How can I use them ?
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