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Select random row from a sqlite table
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Have a look at Selecting a Random Row from an SQLite Table
SELECT * FROM table ORDER BY RANDOM() LIMIT 1;
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How to order by with union in SQL?
Is it possible to order when the data is come from many select and union it together? Such as
8 Answers
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JOIN queries vs multiple queries
Are JOIN queries faster than several queries? (You run your main query, and then you run many other SELECTs based on the results from your main query)
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Android custom dropdown/popup menu
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Update: To create a popup menu in android with Kotlin refer my answer here.
To create a popup menu in android with Java:
Create a layout file activity_main.xml under res/layout directory which contains only one button.
Filename: activity_main.xml
<Rela...
How to break a line of chained methods in Python?
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I also like it best. Doesn't add more code and it's without backslashes.
– Juliusz Gonera
Jan 22 '11 at 23:17
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print memory address of Python variable [duplicate]
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The reason why that happens is because both x and y are pointing to the same memory address. What reason would Python have in this case to create the exact same object in memory twice, when not explicitly asked to do so?
– 1313e
May...
Best way to use multiple SSH private keys on one client
...erver (my uses are system administration of server, administration of Git, and normal Git usage within the same server). I tried simply stacking the keys in the id_rsa files to no avail.
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Get selected value/text from Select on change
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If you're googling this, and don't want the event listener to be an attribute, use:
document.getElementById('my-select').addEventListener('change', function() {
console.log('You selected: ', this.value);
});
<select id="my-select">
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Spring 3 RequestMapping: Get path value
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Non-matched part of the URL is exposed as a request attribute named HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE:
@RequestMapping("/{id}/**")
public void foo(@PathVariable("id") int id, HttpServletRequest request) {
String restOfTheUrl = (String) request.getAttribute(
Hand...
How to click or tap on a TextView text
...a way to run a method on tapping or clicking a TextView line of text in an Android App.
8 Answers
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