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Linux: copy and create destination dir if it does not exist
...hink you need the test -d: mkdir -p still succeeds even if the directory already exists.
– ephemient
Oct 7 '09 at 15:33
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How to compare Unicode characters that “look alike”?
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Thanks for the Unicode spec link. First time I ever read up on it. Small note from it: "Normalization Forms KC and KD must not be blindly applied to arbitrary text .. It is best to think of these Normalization Forms as being like uppercase or lowercase mappings: useful in cert...
What is __init__.py for?
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from database.create_session import Session
session = Session()
Further reading
There is a pretty interesting reddit thread covering appropriate uses of __init__.py here:
http://www.reddit.com/r/Python/comments/1bbbwk/whats_your_opinion_on_what_to_include_in_init_py/
The majority opinion seems...
tomcat - CATALINA_BASE and CATALINA_HOME variables
...installation directory, including its contents, and ensure that Tomcat has read permissions to it. Edit the configuration files according to your needs.
Create a logs directory if conf/logging.properties points to ${catalina.base}/logs, and ensure that Tomcat has read/write permissions to it.
Creat...
Why no generics in Go?
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If you're reading this answer today, be aware that contracts have been dropped from the draft proposal: go.googlesource.com/proposal/+/refs/heads/master/design/…
– jub0bs
Jun 28 at 19:53
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Postgres unique constraint vs index
...violates unique constraint "master_con_id_key"
DETAIL: Key (con_id)=(0) already exists.
test=# insert into master values (1, 0);
ERROR: duplicate key value violates unique constraint "master_unique_idx"
DETAIL: Key (ind_id)=(0) already exists.
test=#
It works as expected!
Foreign keys
Now we'...
What is the purpose of Flask's context stacks?
... to access various functionality. For example, you probably have code that reads...
from flask import request
Then, during a view, you might use request to access the information of the current request. Obviously, request is not a normal global variable; in actuality, it is a context local value....
What is the most useful script you've written for everyday life? [closed]
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Why would you replace easy to read code with difficult to read code? Does your computer run more quickly if you have less less lines of source code?
– Beska
Mar 17 '09 at 21:00
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A Better Django Admin ManyToMany Field Widget
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Its Working But how to make this filed read only. I am try read only_fields = ('users',) . But Its shown in single line separated by comma. I want to shown in line break ...
– Varnan K
Dec 31 '14 at 8:11
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Why does the order of the loops affect performance when iterating over a 2D array?
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Great answer. If Mark wants read more about such nitty gritty, I'd recommend a book like Write Great Code.
– wkl
Mar 30 '12 at 13:59
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