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How do I convert an interval into a number of hours with postgres?
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Probably the easiest way is:
SELECT EXTRACT(epoch FROM my_interval)/3600
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Easiest way to copy a table from one database to another?
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CREATE TABLE db1.table1 SELECT * FROM db2.table1
where db1 is the destination and db2 is the source
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Change default text in input type=“file”?
...e of label for input.
<div>
<label for="files" class="btn">Select Image</label>
<input id="files" style="visibility:hidden;" type="file">
</div>
Below is the code to fetch name of the uploaded file
$("#files").change(function() {
filename = this.files[...
Select all 'tr' except the first one
How can I select all tr elements except the first tr in a table with CSS?
10 Answers
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Overloaded method selection based on the parameter's real type
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I expect the method selection to take
in consideration the real (not the
declared) parameter type. Am I missing
something?
Yes. Your expectation is wrong. In Java, dynamic method dispatch happens only for the object the method is called ...
How to automatically generate getters and setters in Android Studio
...ar -> Code -> Generate...
and then using shift or control button, select all the variables you need to add getters and setters
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How can I shift-select multiple checkboxes like GMail?
... can click on one checkbox in the email list, hold down the Shift key, and select a second checkbox. The JavaScript will then select/unselect the checkboxes that are between the two checboxes.
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How to extract year and month from date in PostgreSQL without using to_char() function?
I want to select sql:
SELECT "year-month" from table group by "year-month" AND order by date , where
year-month - format for date "1978-01","1923-12".
select to_char of couse work , but not "right" order:
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linq query to return distinct field values from a list of objects
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objList.Select(o=>o.typeId).Distinct()
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Hidden Features of Visual Studio (2005-2010)?
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Make a selection with ALT pressed - selects a square of text instead of whole lines.
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answered Sep 19 ...