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SELECT * FROM X WHERE id IN (…) with Dapper ORM
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Marko, that IS important. And, if you are doing it that way, you might consider finding another way of querying your data, such as doing a join or an anti-join rather than passing a list of ids. The IN clause is not the most highly performing query a...
mysql -> insert into tbl (select from another table) and some default values [duplicate]
..., I am trying to insert into one table selecting values from another table and some default values.
5 Answers
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Purpose of Python's __repr__
... for someone confused over this, imho. (If I've gone to far, just re-edit, and I'll owe you a beer.)
– Roger Pate
Dec 31 '09 at 6:47
2
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Why is creating a Thread said to be expensive?
...a fair bit of work involved:
A large block of memory has to be allocated and initialized for the thread stack.
System calls need to be made to create / register the native thread with the host OS.
Descriptors need to be created, initialized and added to JVM-internal data structures.
It is also e...
Does Flask support regular expressions in its URL routing?
I understand that Flask has the int, float and path converters, but the application we're developing has more complex patterns in its URLs.
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What's the result of += in C and C++?
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Semantics of the compound assignment operators is different in C and C++:
C99 standard, 6.5.16, part 3:
An assignment operator stores a value in the object designated by the left operand. An
assignment expression has the value of the left operand after the assignment, but is not an
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Check if a string contains another string
...the position of a string case-insensitive use the third parameter of Instr and give it the const vbTextCompare (or just 1 for die-hards).
Dim posOf_A As Integer
posOf_A = InStr(1, "find the comma, in the string", "A", vbTextCompare)
will give you a value of 14.
Note that you have to specify the...
Postgres manually alter sequence
...UE 22
This would work:
ALTER SEQUENCE payments_id_seq RESTART WITH 22;
and is equivalent to:
SELECT setval('payments_id_seq', 22, FALSE);
More in the current manual for ALTER SEQUENCE and sequence functions.
Note that setval() expects either (regclass, bigint) or (regclass, bigint, boolean)....
How do I enable language extensions from within GHCi?
...HCi you'll actually get tab completion for available extensions, which is handy when you can't remember where they decided to use abbreviations ("MultiParam") or acronyms ("GADT") rather than spelling things out in full ("MonomorphismRestriction")...
– C. A. McCann
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How can I get list of values from dict?
... or, alternatively [d[k] for k in d] which works for both python2.x and 3.x (Please be advised, I'm not actually suggesting that you use this). Usually you don't actually need a list of values so d.values() is just fine.
– mgilson
Apr 26 '13 at 3:45
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