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SQL - HAVING vs. WHERE

...ows; HAVING clause introduces a condition on aggregations, i.e. results of selection where a single result, such as count, average, min, max, or sum, has been produced from multiple rows. Your query calls for a second kind of condition (i.e. a condition on an aggregation) hence HAVING works correctl...
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How to count string occurrence in string?

...string you're looking for, but in that case you have to escape all the metacharacters. In that scenario, a pure string approach is preferable. – ZER0 Apr 9 '13 at 1:47 3 ...
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How do I use jQuery's form.serialize but exclude empty fields

... looking over the jQuery docs and I think we can do this in one line using selectors: $("#myForm :input[value!='']").serialize() // does the job! Obviously #myForm gets the element with id "myForm" but what was less obvious to me at first was that the space character is needed between #myForm and...
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Initializing select with AngularJS and ng-repeat

I'm trying to get select-box to start off with a pre-filled option using ng-repeat with AngularJS 1.1.5. Instead the select always starts out with nothing selected. It also has an empty option, which I don't want. I think that there is a side effect of nothing being selected. ...
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Set selected index of an Android RadioGroup

Is there a way to set the selected index of a RadioGroup in android, other than looping through the child radiobuttons and selecting checking the radio button at the selected index? ...
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Getting all selected checkboxes in an array

... function get_selected_checkboxes_array(){ var ch_list=Array(); $("input:checkbox[type=checkbox]:checked").each(function(){ch_list.push($(this).val());}); ...
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What's wrong with this 1988 C code?

...ain() is also dated, it should be like something this. int main(int argc, char** argv) { ... return 0; } The compiler will assume an int return value for a function w/o one, and I'm sure the compiler/linker will work around the lack of declaration for argc/argv and the lack of return valu...
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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?

... then the result is the first column of the first row. An example might be SELECT @@IDENTITY AS 'Identity'. ExecuteReader is used for any result set with multiple rows/columns (e.g., SELECT col1, col2 from sometable). ExecuteNonQuery is typically used for SQL statements without results (e.g., UPDATE...
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“Wrap with try…catch” in IntelliJ?

Can I select a block of code and have IntelliJ wrap it with a "try...catch" ? 9 Answers ...
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What is this: [Ljava.lang.Object;?

... name consists of the name of the element type preceded by one or more '[' characters representing the depth of the array nesting. The encoding of element type names is as follows: Element Type Encoding boolean Z byte B char C double D...