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Change date format in a Java string
I've a String representing a date.
19 Answers
19
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Unique BooleanField value in Django?
..., self).save(*args, **kwargs)
@Ellis Percival: Hits the database only one extra time and accepts the current entry as the chosen one. Clean and elegant.
from django.db import transaction
class Character(models.Model):
name = models.CharField(max_length=255)
is_the_chosen_one = models.Bool...
How to loop through file names returned by find?
if I run the above piece of code in Bash shell, what I get is a string containing several file names separated by blank, not a list.
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How to use regex in String.contains() method in Java
I want to check if a String contains the words "stores", "store", and "product" in that order, no matter what is in between them.
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Is there a command to refresh environment variables from the command prompt in Windows?
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And annoyingly, extra instances of cmd.exe don't count. They all have to be killed before the change is reflected in any new cmd.exe's.
– Mike F
Oct 5 '08 at 8:08
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How do I size a UITextView to its content?
...PostText.contentSize.height;
self.mainPostText.frame = _f;
It fixes the "extra line" problem on 6+.
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mongodb: insert if not exists
...u want to do an "upsert". MongoDB has built-in support for this. Pass an extra parameter to your update() call: {upsert:true}. For example:
key = {'key':'value'}
data = {'key2':'value2', 'key3':'value3'};
coll.update(key, data, upsert=True); #In python upsert must be passed as a keyword argumen...
Where are my postgres *.conf files?
..._US.UTF-8' # locale for system error message
# strings
lc_monetary = 'en_US.UTF-8' # locale for monetary formatting
lc_numeric = 'en_US.UTF-8' # locale for number formatting
lc_time = 'en_US.UTF-8' # locale for time formatting
# default confi...
Is there a better way to express nested namespaces in C++ within the header
...vision isn't any longer than company_division) and don't have to define an extra namespace alias first to use it.
– Kaiserludi
Aug 16 '18 at 14:35
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Best practice for Django project working directory structure
...s.py
templatetags/
__init__.py
templatetag_extras.py
gulpfile.js
manage.py
requirements.txt
I think this:
settings.py
settings_dev.py
settings_production.py
is better than this:
settings/__init__.py
settings/base.py
settings/d...