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Xcode Project vs. Xcode Workspace - Differences
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– Ganesh Guturi
Oct 25 '16 at 6:15
The parent project file has a reference to the subproject, not a copy. If the s...
How to position a table at the center of div horizontally & vertically
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edited Apr 20 '15 at 23:15
answered Aug 14 '11 at 20:15
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Rails 3: Get Random Record
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I am working on a project (Rails 3.0.15, ruby 1.9.3-p125-perf) where the db is in localhost and users table has a bit more than 100K records.
Using
order by RAND()
is quite slow
User.order("RAND(id)").first
becomes
SELECT users.* FROM users ORD...
What is eager loading?
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cletuscletus
561k152152 gold badges873873 silver badges927927 bronze badges
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Prevent jQuery UI dialog from setting focus to first textbox
...nt.6 which problems?
– oxfn
Apr 11 '15 at 13:02
amazing solution
– Pedro Coelho
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How can I select random files from a directory in bash?
... information.
– user2809888
Oct 28 '15 at 6:28
2
Doesn't seem to work for files that have spaces ...
Difference between save and saveAndFlush in Spring data jpa
...e=\"evenodd\" d=\"M25.6622 17.6335C27.8049 17.6335 29.3739 16.9402 30.2537 15.6379C30.8468 14.7755 30.9615 13.5579 30.9615 11.9512V6.59049C30.9615 5.28821 30.4833 4.66231 29.4502 4.66231C28.9913 4.66231 28.4555 4.94978 28.1109 5.50789C27.499 4.86533 26.7335 4.56087 25.7005 4.56087C23.1369 4.56087 21...
Why does the 260 character path length limit exist in Windows?
...ecify a 0 then it assumes the path for the drive returned by INT 0x21 AH=0x15 AL=0x19. So now we know why it is 260 and not 256, because those 4 bytes are not stored in the path string.
Why a 256 byte path string, because 640K is enough RAM.
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How to validate a url in Python? (Malformed or not)
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edited May 26 at 15:11
Community♦
111 silver badge
answered Aug 23 '11 at 12:06
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Convert python datetime to epoch with strftime
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415
If you want to convert a python datetime to seconds since epoch you could do it explicitly:
&g...