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Python timedelta in years
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That is NOT what anybody means or uses when it's a question of how many years service or has a person attained a particular age.
– John Machin
Nov 30 '09 at 11:57
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How to focus on a form input text field on page load using jQuery?
...nother index:
$('input[@type="text"]')[0].focus();
Or, you can use the ID:
$("#someTextBox").focus();
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Creating an R dataframe row-by-row
...u can grow them row by row by appending or using rbind().
That does not mean you should. Dynamically growing structures is one of the least efficient ways to code in R.
If you can, allocate your entire data.frame up front:
N <- 1e4 # total number of rows to preallocate--possibly an overest...
if A vs if A is not None:
...he equality operators.
Also, beware of writing "if x" when you really mean "if x is not None"
-- e.g. when testing whether a variable or argument that defaults to
None was set to some other value. The other value might have a type
(such as a container) that could be false in a boolean co...
Migrating from JSF 1.2 to JSF 2.0
...n.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="YourWebappID"
version="2.5">
Note: when you're using Servlet 3.0 or newer, use the http://xmlns.jcp.org namespace domain instead of http://java.sun.com throughout the above XML snippet.
JSP 2.x to JSP 2.x
If...
When to choose checked and unchecked exceptions
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I'll break this down for you, because most people misunderstand what this means.
Predictable but unpreventable: The caller did everything within their power to validate the input parameters, but some condition outside their control has caused the operation to fail. For example, you try reading a ...
How do I pass multiple attributes into an Angular.js attribute directive?
... scope.callback(); // calls exampleCallback()
}
};
});
fiddle
If the value of attribute example-number will be hard-coded, I suggest using $eval once, and storing the value. Variable num will have the correct type (a number).
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Add icon to submit button in twitter bootstrap 2
...s with caution, especially with forms.
– Matenia Rossides
Mar 3 '12 at 7:22
10
I have tested this...
When is a CDATA section necessary within a script tag?
...reted text"? In stackoverflow.com/questions/2784183/what-does-cdata-in-xml-mean we see "...these strings includes data that could be interpreted as XML markup, but should not be."
– matt wilkie
Jan 31 '17 at 20:38
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Allowed characters in Linux environment variable names
... @checksum, UPPERCASE is explicitly specified for variable names with meaning to POSIX-specified tools, including the shell; names with at least one lower-case character are explicitly reserved for application use. Thus, best practice is actually to include at least one lower-case character in ...