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SQL Server database backup restore on lower version
...R2 or
restore the backup you have on a SQL Server 2008 R2 instance, export all the data and import it on a SQL Server 2008 database.
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Pickle or json?
...ccf1b3fa91f4399902bb534/raw/03e8dbab11b5605bc572bc117c8ac34cfa959a70/pickle_vs_json.py
python pickle_vs_json.py
Results with python 2.7 on a decent 2015 Xeon processor:
Dir Entries Method Time Length
dump 10 JSON 0.017 1484510
load 10 JSON 0.375 -
dump 10 Pickle 0.011 ...
How do I use cascade delete with SQL Server?
...o perform cascading delete in SQL Server when a record from T1 is deleted, all associated records in T2 also deleted.
8 An...
Is there a recommended format for multi-line imports?
...
Personally I go with parentheses when importing more than one component and sort them alphabetically. Like so:
from Tkinter import (
Button,
Canvas,
DISABLED,
END,
Entry,
Frame,
LEFT,
NORMAL,
RI...
What is the fastest way to compute sin and cos together?
.... If you need strong optimization, perhaps you should use it.
Here is a small example: http://home.broadpark.no/~alein/fsincos.html
Here is another example (for MSVC): http://www.codeguru.com/forum/showthread.php?t=328669
Here is yet another example (with gcc): http://www.allegro.cc/forums/thread...
Why unsigned integer is not available in PostgreSQL?
I came across this post ( What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL? ) and realized that PostgreSQL does not support unsigned integer.
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When to use inline function and when not to use it?
...at inline is a hint or request to compiler and its used to avoid function call overheads.
14 Answers
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Eclipse Kepler for OS X Mavericks request Java SE 6
I have just made a clean installation of OS X Mavericks , and I have downloaded Eclipse Kepler , but if I execute it, gives me this message:
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java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...ead:
For a supplementary character, utf8 cannot store the character at all,
while utf8mb4 requires four bytes to store it. Since utf8 cannot store
the character at all, you do not have any supplementary characters in
utf8 columns and you need not worry about converting characters or
losi...
How do you remove duplicates from a list whilst preserving order?
...n seen or seen_add(x))]
Why assign seen.add to seen_add instead of just calling seen.add? Python is a dynamic language, and resolving seen.add each iteration is more costly than resolving a local variable. seen.add could have changed between iterations, and the runtime isn't smart enough to rule t...