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Postgres NOT in array
... edited Feb 26 '14 at 17:55
All Workers Are Essential
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answered Jul 30 '12 at 22:44
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MongoDB Show all contents from all collections
Is it possible to show all collections and its contents in MongoDB?
8 Answers
8
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Deleting all records in a database table
How do I delete all records in one of my database tables in a Ruby on Rails app?
7 Answers
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javascript: Clear all timeouts?
Is there a way to clear all time outs from a given window? I suppose the timeouts are stored somewhere in the window object but couldn't confirm that.
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Reset/remove CSS styles for element only
...ord-spacing : normal;
z-index : auto;
/* basic modern patch */
all: initial;
all: unset;
}
/* basic modern patch */
#reset-this-root {
all: initial;
* {
all: unset;
}
}
Relevent github repo with a december 2017 more exaustive list
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Is it possible to perform a 'grep search' in all the branches of a Git project?
Is it possible to run git grep inside all the branches of a Git control sourced project? Or is there another command to run?
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Why does Enumerable.All return true for an empty sequence? [duplicate]
The code creates an empty collection of string, then tries to determine if all the elements in the collection are "ABC".
If you run it, b will be true.
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How to remove all of the data in a table using Django
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Inside a manager:
def delete_everything(self):
Reporter.objects.all().delete()
def drop_table(self):
cursor = connection.cursor()
table_name = self.model._meta.db_table
sql = "DROP TABLE %s;" % (table_name, )
cursor.execute(sql)
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Get list of all tables in Oracle?
How do I query an Oracle database to display the names of all tables in it?
23 Answers
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Is it safe to use -1 to set all bits to true?
...s one:
unsigned long a = ~0u;
It won't necessarily store a pattern with all bits 1 into a. But it will first create a pattern with all bits 1 in an unsigned int, and then assign it to a. What happens when unsigned long has more bits is that not all of those are 1.
And consider this one, which wi...