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Expert R users, what's in your .Rprofile? [closed]
...l, NAs generated
Factors are great when you need them (e.g. implementing ordering in graphs) but a nuisance most of the time.
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Circular dependency in Spring
...ences is that bean injection / property setting might occur in a different order to what your XML wiring files would seem to imply. So you need to be careful that your property setters don't do initialization that relies on other setters already having been called. The way to deal with this is to ...
Spring JPA @Query with LIKE
...List<User> findByUsernameContainingIgnoreCase(String username);
in order to ignore case issues
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Comparing HTTP and FTP for transferring files
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Joins are for lazy people?
...such incredibly wrong opinions.
In many cases, a database join is several orders of magnitude faster than anything done via the client, because it avoids DB roundtrips, and the DB can use indexes to perform the join.
Off the top of my head, I can't even imagine a single scenario where a correctly ...
How to include() all PHP files from a directory?
... @nalply get_include_path() still cannot auto determine the loading order ( base class may be loaded AFTER extended class , resulting errors )
– Raptor
Jul 12 '13 at 6:51
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Table name as variable
...OR
SELECT object_name(id) FROM syscolumns WHERE name = 'LastUpdated'
ORDER BY 1
OPEN tblcur
WHILE 1 = 1
BEGIN
FETCH tblcur INTO @tbl
IF @@fetch_status <> 0
BREAK
SELECT @sql =
N' SELECT @cnt = COUNT(*) FROM dbo.' + quotename(@tbl) +
N' WHERE LastUpdated BETWEEN @f...
COALESCE Function in TSQL
...type, they get implicitly cast to an appropriate data-type using data-type order of precedence.)
It's like ISNULL() but for multiple parameters, rather than just two.
It's also ANSI-SQL, where-as ISNULL() isn't.
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How do you upload images to a gist?
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I was looking for an answer to this same question too, in my case in order to be able to upload PDF files. I had trouble with gist-img (mentioned in another answer to this question). I searched some more and discovered gistup, which worked perfectly, the first time I tried it. It uses node and...
Odd behavior when Java converts int to byte?
...two's complement representation the sign bit can be copied on the right in order to add bits. It's easy to understand it thinking to the rule of how to obtain the negative of a number. that is: consider all the bits from right to left and write them unchanged till the first 1 comprised. Then invert ...