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Find most frequent value in SQL column
...y_table`
GROUP BY `column`
ORDER BY `value_occurrence` DESC
LIMIT 1;
Replace column and my_table. Increase 1 if you want to see the N most common values of the column.
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Autoreload of modules in IPython [duplicate]
Is there a way to have IPython automatically reload all changed code? Either before each line is executed in the shell or failing that when it is specifically requested to. I'm doing a lot of exploratory programming using IPython and SciPy and it's quite a pain to have to manually reload each module...
Difference between std::result_of and decltype
...lt_of is used to obtain the resulting type of invoking a function object with certain types of parameters. For example:
2 ...
What are conventions for filenames in Go?
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There's a few guidelines to follow.
File names that begin with "." or "_" are ignored by the go tool
Files with the suffix _test.go are only compiled and run by the go test tool.
Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_l...
Range references instead values
...y" of the value. Is there a way for that range to return the adress of the item? Example
3 Answers
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How can a Javascript object refer to values in itself? [duplicate]
...bute to a function. I mean something like this:
var obj = {
key1: "it ",
key2: function() {
return this.key1 + " works!";
}
};
alert(obj.key2());
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Unit testing private methods in C#
Visual Studio allows unit testing of private methods via an automatically generated accessor class. I have written a test of a private method that compiles successfully, but it fails at runtime. A fairly minimal version of the code and the test is:
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Split column at delimiter in data frame [duplicate]
I would like to split one column into two within at data frame based on a delimiter. For example,
6 Answers
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How does one generate a random number in Apple's Swift language?
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Swift 4.2+
Swift 4.2 shipped with Xcode 10 introduces new easy-to-use random functions for many data types.
You can call the random() method on numeric types.
let randomInt = Int.random(in: 0..<6)
let randomDouble = Double.random(in: 2.71828...3.14159...
jQuery Selector: Id Ends With?
Is there a selector that I can query for elements with an ID that ends with a given string?
9 Answers
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