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What is the difference between 'typedef' and 'using' in C++11?
I know that in C++11 we can now use using to write type alias, like typedef s:
7 Answers
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Fastest way to determine if an integer's square root is an integer
...ming language (C/C++). Your results may vary, especially because I don't know how the Java factor will play out.
My approach is threefold:
First, filter out obvious answers. This includes negative numbers and looking at the last 4 bits. (I found looking at the last six didn't help.) I also an...
Check if $_POST exists
I'm trying to check whether a $_POST exists and if it does, print it inside another string, if not, don't print at all.
14 ...
SQL Server Insert if not exists
...SUNTO
AND Data = @_DATA);
END
replace with
BEGIN
IF NOT EXISTS (SELECT * FROM EmailsRecebidos
WHERE De = @_DE
AND Assunto = @_ASSUNTO
AND Data = @_DATA)
BEGIN
INSERT INTO EmailsRecebidos (De, Assunto, Data)...
Reducing the space between sections of the UITableView
... I think such behavior was added in iOS 5.0 or iOS 6.0, but yes - it's now much easier to setup distance between groups.
– Vlas Voloshin
Jun 5 '13 at 7:22
2
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Is it good style to explicitly return in Ruby?
......
def plus_one_to_y(x)
@y = x + 1
puts "In plus_one_to_y"
end
Now the function is broken if anything expects a returned value. If nothing expects a returned value, it's fine. Clearly if somewhere further down the code chain, something calling this is expecting a returned value, it's g...
How do I mock an open used in a with statement (using the Mock framework in Python)?
...MagicMock (i.e. it is just an example of how Mock supports magic methods). If you use a MagicMock (as above) then enter and exit are preconfigured for you.
– fuzzyman
Jun 6 '11 at 19:15
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Querying data by joining two tables in two database on different servers
...ENQUERY([DB2], 'SELECT * FROM [MyDatabaseOnDB2].[dbo].[MyOtherTable]')
-- Now I can join my temp table to see the data
SELECT * FROM [MyDatabaseOnDB1].[dbo].[MyTable] tab1
INNER JOIN #myTempTable tab2 ON tab1.ID = tab2.ID
Check out the documentation for OPENQUERY to see some more examples. T...
How do exceptions work (behind the scenes) in c++
...that exceptions are slow, but I never see any proof. So, instead of asking if they are, I will ask how do exceptions work behind the scenes, so I can make decisions of when to use them and whether they are slow.
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TypeError: module.__init__() takes at most 2 arguments (3 given)
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Wiil it work the same, if one omit ClassName completely? Like class Visitor()?
– VMAtm
Jan 24 '17 at 14:23
1
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