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Heroku error: “Permission denied (public key)”
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Try heroku keys:add <path-to-your-public-key>.
For example, heroku keys:add ~/.ssh/id_rsa.pub
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How do you represent a JSON array of strings?
This is all you need for valid JSON, right?
4 Answers
4
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Preview layout with merge root tag in Intellij IDEA/Android Studio
... (added in Android Studio 2.2) that you can use to specify the layout type for a merge tag, which will make the layout render correctly in the layout editor preview.
So using your example:
<merge xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android...
creating a random number using MYSQL
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@EdHeal Actually I think round() will give a non-uniform distribution.
– Ja͢ck
Feb 10 '13 at 14:32
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How to find a table having a specific column in postgresql
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this didn't work for me with or without wildcards, i've had to use information.schema to search
– Lrawls
Feb 14 '19 at 15:50
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Resize fields in Django Admin
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You should use ModelAdmin.formfield_overrides.
It is quite easy - in admin.py, define:
from django.forms import TextInput, Textarea
from django.db import models
class YourModelAdmin(admin.ModelAdmin):
formfield_overrides = {
models.Char...
What are some common uses for Python decorators? [closed]
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I use decorators mainly for timing purposes
def time_dec(func):
def wrapper(*arg):
t = time.clock()
res = func(*arg)
print func.func_name, time.clock()-t
return res
return wrapper
@time_dec
def myFunction(n):
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jQuery set checkbox checked
...uld be based on a database value. (I have that already working with others form fields.) I started trying to get it checked but it didn't work.
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“R cannot be resolved to a variable”? [duplicate]
...va does exist but variables in it aren't recognized by just one Java file, for instance, note whether that file is in the same package as R.java--if not, that's why R.id.* is out of scope.
– hotshot309
Jan 4 '12 at 2:19
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Access properties file programmatically with Spring?
...te :) I wouldn't use a PropertyPlaceholderConfigurer, though it's overkill for the task.
– skaffman
Nov 20 '09 at 16:15
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