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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
...
Also, you can rvm list known in order to see the available ruby versions that you can upgrade to.
– James Chevalier
Apr 20 '12 at 13:47
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json_encode is returning NULL?
...ult = mysql_query('SELECT `id`, `name`, `description`, `icon` FROM `staff` ORDER BY `id` DESC LIMIT 20') or die(mysql_error());
$rows = array();
while($row = mysql_fetch_assoc($result)){
$rows[] = $row;
}
echo json_encode($rows);
?>
When iterating over mysql_num_rows you should use < n...
'const int' vs. 'int const' as function parameters in C++ and C
...e same, although a little more explanation of the pointer case might be in order.
"const int* p" is a pointer to an int that does not allow the int to be changed through that pointer. "int* const p" is a pointer to an int that cannot be changed to point to another int.
See https://isocpp.org/wiki...
XPath - Selecting elements that equal a value
.... defines the string value of an element as the concatenation (in document order) of all of its text-node descendents.
This explains the "strange results".
"Better" results can be obtained using the expressions below:
//*[text() = 'qwerty']
The above selects every element in the document that ...
How to check type of files without extensions in python?
...tempt to classify it. There are three
sets of tests, performed in this order: filesystem tests, magic number
tests, and language tests. The first test that succeeds causes the
file type to be printed.
You would need to run the file command with the subprocess module and then parse th...
How do I make Git use the editor of my choice for commits?
...e VISUAL environment variable, or the EDITOR environment variable (in that order).
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No @XmlRootElement generated by JAXB
...ootElement exists because the JAXB runtime requires certain information in order to marshal/unmarshal a given object, specifically the XML element name and namespace. You can't just pass any old object to the Marshaller. @XmlRootElement provides this information.
The annotation is just a convenienc...
how to change uiviewcontroller title independent of tabbar item title
...avigationController.init)
But that should be changed to the following in order to grab the already associated tabBarItem from the view controller and set it onto the navigation controller automatically.
self.viewControllers = tabBarViewControllers.map({
let navigationController = UIN...
convert a JavaScript string variable to decimal/money
...ion and data. You should store it as a integer number of cents (or pennies etc.) and then convert prior to output.". Source: stackoverflow.com/questions/149055/…
– SSH This
Nov 27 '13 at 17:33
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Choosing the default value of an Enum type without having to change values
...ce of an object." error. How to fix it? Note: I use an extension method in order to display enum's Descriptions, but not sure how to avoid the error in the helper method (GetDescription) defined on this page
– Jack
Dec 16 '15 at 16:55
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