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How to COUNT rows within EntityFram>me m>work without loading contents?
...o determine how to count the matching rows on a table using the EntityFram>me m>work.
7 Answers
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Ruby/Rails: converting a Date to a UNIX tim>me m>stamp
How would I get a UNIX tim>me m>stamp (number of seconds since 1970 GMT) from a Date object in a Rails app?
5 Answers
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Python: using a recursive algorithm as a generator
...n to generate certain sequences with nontrivial constraints. The problem cam>me m> with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with a...
What is “lifting” in Scala?
Som>me m>tim>me m>s when I read articles in the Scala ecosystem I read the term "lifting" / "lifted". Unfortunately, it is not explained what that exactly m>me m>ans. I did som>me m> research, and it seems that lifting has som>me m>thing to do with functional values or som>me m>thing like that, but I was not able to find a text ...
Amazon S3 boto - how to create a folder?
...There is no concept of folders or directories in S3. You can create file nam>me m>s like "abc/xys/uvw/123.jpg", which many S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket.
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Postgres: How to do Composite keys?
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How would you implem>me m>nt a contraint like "CONSTRAINT no_duplicate_refences UNIQUE REFERENCE FROM tag_id TO (tag1, tag2, tag3)"?
– Léo Léopold Hertz 준영
Aug 17 '09 at 4:46
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Recursive directory listing in DOS
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You sir, are seriously awesom>me m>! It worked like a charm! I used it at work (where we are forced to have windows machines) with gVIM! Really, really good! You saved m>me m> hours of headache!
– Walialu
Nov 27 '13 at 14:23...
Packing NuGet projects compiled in release mode?
Is there som>me m> way to make a NuGet package using code compiled in release mode? Or is there som>me m> reason I should only publish (make available locally, in this case) packages compiled in debug mode?
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sqlalchemy IS NOT NULL select
...is None, produces a IS NOT NULL.
or use isnot() (new in 0.7.9):
Implem>me m>nt the IS NOT operator.
Normally, IS NOT is generated automatically when comparing to a value of None, which resolves to NULL. However, explicit usage of IS NOT may be desirable if comparing to boolean values on certai...
Multiple ModelAdmins/views for sam>me m> model in Django admin
How can I create more than one ModelAdmin for the sam>me m> model, each customised differently and linked to different URLs?
2 A...