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How to duplicate virtualenv
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edited Jan 19 '15 at 10:24
JJD
42.7k4545 gold badges177177 silver badges291291 bronze badges
answered ...
How to delete a certain row from mysql table with same column values?
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208
Add a limit to the delete query
delete from orders
where id_users = 1 and id_product = 2
lim...
How can I set response header on express.js assets
... at once.
res.set({
'Content-Type': 'text/plain',
'Content-Length': '123',
'ETag': '12345'
})
Aliased as
res.header(field, [value])
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Escaping keyword-like column names in Postgres
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214
Simply enclose year in double quotes to stop it being interpreted as a keyword:
INSERT INTO t...
Removing array item by value
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425
It can be accomplished with a simple one-liner.
Having this array:
$arr = array('nice_item', ...
Error Code: 2013. Lost connection to MySQL server during query
I got the Error Code: 2013. Lost connection to MySQL server during query error when I tried to add an index to a table using MySQL Workbench.
I noticed also that it appears whenever I run long query.
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Parallel.ForEach vs Task.Factory.StartNew
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answered Feb 15 '11 at 20:37
Reed CopseyReed Copsey
509k6868 gold badges10671067 silver badges13231323 bronze badges
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How should I print types like off_t and size_t?
... are macros you can use, like another answer said:
printf("value: %" PRId32, some_int32_t);
printf("value: %" PRIu16, some_uint16_t);
They are listed in the manpage of inttypes.h.
Personally, I would just cast the values to unsigned long or long like another answer recommends. If you use C99, t...