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Is the order guaranteed for the return of keys and values from a LinkedHashMap object?
I know LinkedHashMap has a predictable iteration order (insertion order). Does the Set returned by LinkedHashMap.keySet() and the Collection returned by LinkedHashMap.values() also maintain this order?
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Split list into smaller lists (split in half)
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If you don't care about the order...
def split(list):
return list[::2], list[1::2]
list[::2] gets every second element in the list starting from the 0th element.
list[1::2] gets every second element in the list starting from the 1st element.
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Detecting 'stealth' web-crawlers
...s, you can put a div under another, with CSS (placing it first in the draw order) and possibly setting the z-order. A bot could not ignore that, without parsing all your javascript to see if it is a menu. To some extent, links inside invisible DIV elements also can't be ignored without the bot par...
Correct way to define Python source code encoding
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Mysql order by specific ID values
Is it possible to sort in mysql by "order by" using predefined set of column values (ID) like: order by (ID=1,5,4,3) so I would get record 1, 5, 4, 3 in that order out?
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How to perform a mysqldump without a password prompt?
...to @Frankline's answer:
The -p option must be excluded from the command in order to use the password in the config file.
Correct:
mysqldump –u my_username my_db > my_db.sql
Wrong:
mysqldump –u my_username -p my_db > my_db.sql
.my.cnf can omit the username.
[mysqldump]
password=my_passw...
Finding most changed files in Git
...fort has no information about it :/). I assume the first set of result are ordered by filename, and the second one by number of commit per file. The man page also mention github.com/tj/git-extras/issues to report issues
– Asenar
Dec 20 '16 at 8:37
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OS X Terminal Colors [closed]
...ome more explanation of the codes for the prompt: wiki.archlinux.org/index.php/Color_Bash_Prompt#Step_by_step.
– JohnK
Sep 10 '13 at 14:22
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What's the best practice for putting multiple projects in a git repository? [closed]
...tory to use.
But I have multiple projects including java projects, php scripts and Android apps projects.
3 An...
How does MySQL process ORDER BY and LIMIT in a query?
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It will order first, then get the first 20. A database will also process anything in the WHERE clause before ORDER BY.
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