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Why was the switch statement designed to need a break?
...instance, when compiling operators
that can have either one or two
operands:
switch (operator->num_of_operands) {
case 2: process_operand( operator->operand_2);
/* FALLTHRU */
case 1: process_operand( operator->operand_1);
break;
}
Case fall through is ...
What is sharding and why is it important?
I think I understand sharding to be putting back your sliced up data (the shards) into an easy to deal with aggregate that makes sense in the context. Is this correct?
...
Save classifier to disk in scikit-learn
How do I save a trained Naive Bayes classifier to disk and use it to predict data?
6 Answers
...
Type converting slices of interfaces
... exception to this rule is converting strings. When converting a string to and from a []byte or a []rune, Go does O(n) work even though conversions are "syntax".
There is no standard library function that will do this conversion for you. You could make one with reflect, but it would be slower than ...
How do you use colspan and rowspan in HTML tables?
I don't know how to merge rows and columns inside HTML tables.
11 Answers
11
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When and why are database joins expensive?
I'm doing some research into databases and I'm looking at some limitations of relational DBs.
7 Answers
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Correct use of Multimapping in Dapper
...to use the Multimapping feature of dapper to return a list of ProductItems and associated Customers.
6 Answers
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Is there a code obfuscator for PHP? [closed]
...HP? I've tried some but they don't work for very big projects. They can't handle variables that are included in one file and used in another, for instance.
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Rails: How can I set default values in ActiveRecord?
...st this case like so:
self.number ||= 0.0 if self.has_attribute? :number
and for a boolean column...
self.bool_field = true if (self.has_attribute? :bool_value) && self.bool_field.nil?
Also note that the syntax is different prior to Rails 3.2 (see Cliff Darling's comment below)
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Mercurial for Beginners: The Definitive Practical Guide
....hgignore
There are two syntax options available for file matching, glob and regexp. glob is unix-like filename expansion and regexp is regular expressions. You activate each by adding syntax: glob or syntax: regexp on a line by itself. All lines following that will use that syntax, until the next...