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SQLAlchemy IN clause
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How to sum a variable by group
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Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1 First 30
2 Second 5
3 Third 34
In the example above, multiple dimensions can be specified in the list. Multiple aggregated metrics of the same data type can be incorporated via cbind:
ag...
How to print formatted BigDecimal values?
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CSS: bolding some text without changing its container's size
...hat text rendering on Mac offers.. :)
http://jsfiddle.net/85LbG/
Credit: https://stackoverflow.com/a/20249560/5061744
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Should I Dispose() DataSet and DataTable?
... lot of folks use a using statement for IDisposables. using (SqlConnection cn = new SqlConnection(connectionString)) { using (SqlCommand cm = new SqlCommand(commandString, cn)) { cn.Open(); cm.ExecuteNonQuery(); } }
– DOK
May 19 '14 at 16:07
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Check if one list contains element from the other
...have right equals implemented. that's all matters!
– Syed Siraj Uddin
Feb 8 '19 at 12:51
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C# Regex for Guid
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Doesn't work for https://support.office.com/en-us/article/poisson-function-d81f7294-9d7c-4f75-bc23-80aa8624173a
– zmechanic
May 23 '18 at 15:50
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How does the “this” keyword work?
...t("I'm evaluated in the initial global execution context!");
setTimeout(function () {
alert("I'm NOT evaluated in the initial global execution context.");
}, 1);
</script>
When evaluating code in the initial global execution context, ThisBinding is set to the global object, window ...
Python __str__ versus __unicode__
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Undefined, unspecified and implementation-defined behavior
...tandard as unspecified (for example, order of evaluation of arguments to a function). Where possible, this International Standard defines a set of allowable behaviors. These define the nondeterministic aspects of the abstract machine.
Certain other operations are described in this International Stan...