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Get table names using SELECT statement in MySQL
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@MuriloGarcia information_schema is part of the SQL standard. Postgres has it as well. For SQLite, you look in sqlite_master
– peterchaula
Jan 7 '17 at 12:55
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Changing navigation title programmatically
...ou can do so using self. If you do not know the difference between a class and an instance, I highly recommend you learn what it is. This article will help.
– drewag
Aug 6 '14 at 18:34
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How do I cast a variable in Scala?
...rred technique is to use pattern matching. This allows you to gracefully handle the case that the value in question is not of the given type:
g match {
case g2: Graphics2D => g2
case _ => throw new ClassCastException
}
This block replicates the semantics of the asInstanceOf[Graphics2D]...
Is there a good way to attach JavaScript objects to HTML elements?
... a string attribute on each element. The name of this string attribute is randomly generated when jquery is first loaded. (Suggesting that there isn't a good way to do there isn't a nicer way to do this only using the DOM)
– user47741
Sep 10 '09 at 0:14
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Python: Get the first character of the first string in a list?
...ripped up here because they are mixing up operators of Python list objects and operators of Numpy ndarray objects:
Numpy operations are very different than python list operations.
Wrap your head around the two conflicting worlds of Python's "list slicing, indexing, subsetting" and then Numpy's "...
What are naming conventions for MongoDB?
...ty much the same rules that apply to relation databases should apply here. And after so many decades there is still no agreement whether RDBMS tables should be named singular or plural...
MongoDB speaks JavaScript, so utilize JS naming conventions of camelCase.
MongoDB official documentation mention...
No secret option provided to Rack::Session::Cookie warning?
....2.3, Ruby 1.9 under Fedora 17. I get this warning, when I run rails s , and how do I fix?
7 Answers
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Where can I download english dictionary database in a text format? [closed]
I need to read the text file for a word and return its meaning. Any other file format will also work.
4 Answers
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MongoDB: Find a document by non-existence of a field?
...operator:
db.mycollection.find({ "price" : { "$exists" : false } })
and see its documentation.
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Javascript Array of Functions
..._function,
second_function,
third_function,
forth_function
]
and then when you want to execute a given function in the array:
array_of_functions[0]('a string');
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