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django MultiValueDictKeyError error, how do I deal with it
...ment identified by the specified html name attribute keyword.
So, if your form is:
<form action="/login/" method="POST">
<input type="text" name="keyword" placeholder="Search query">
<input type="number" name="results" placeholder="Number of results">
</form>
then, re...
What's the difference between including files with JSP include directive, JSP include action and usi
...e is a short overview of JSP syntax elements:
Directives: These convey information regarding the JSP page as a
whole.
Scripting elements: These are Java coding elements such as
declarations, expressions, scriptlets, and comments.
Objects and scopes: JSP objects can be created either explicitly or
...
How to parse freeform street/postal address out of text, and into components
...l, from simple regular expressions that match addresses in a very specific format, to this:
/\s+(\d{2,5}\s+)(?![a|p]m\b)(([a-zA-Z|\s+]{1,5}){1,2})?([\s|,|.]+)?(([a-zA-Z|\s+]{1,30}){1,4})(court|ct|street|st|drive|dr|lane|ln|road|rd|blvd)([\s|,|.|;]+)?(([a-zA-Z|\s+]{1,30}){1,2})([\s|,|.]+)?\b(AK|AL|A...
How to convert Milliseconds to “X mins, x seconds” in Java?
... variable, and I want to show them the time elapsed using a human readable format such as "XX hours, XX mins, XX seconds" or even "XX mins, XX seconds" because its not likely to take someone an hour.
...
Difference between partition key, composite key and clustering key in Cassandra?
...e Composite/Compound Key is just any multiple-column key
Further usage information: DATASTAX DOCUMENTATION
Small usage and content examples
SIMPLE KEY:
insert into stackoverflow_simple (key, data) VALUES ('han', 'solo');
select * from stackoverflow_simple where key='han';
table content
key |...
When is it acceptable to call GC.Collect?
... that now would be an appropriate time to collect in terms of the small performance hit.
A good example of this is if you've just closed a large form. You know that all the UI controls can now be garbage collected, and a very short pause as the form is closed probably won't be noticeable to the use...
How to display PDF file in HTML?
...
Portable Document Format (PDF).
Any Browser « Use _Embeddable Google Document Viewer to embed the PDF file in iframe.
<iframe src="http://docs.google.com/gview?
url=http://infolab.stanford.edu/pub/papers/google.pdf&embedded=tr...
How to get disk capacity and free space of remote computer
...rs (input from the PowerShell pipeline) and displays the output in a table format with numeric values in human-readable form:
PS> $cred = Get-Credential -Credential 'example\administrator'
PS> 'db01','dc01','sp01' | Get-DiskFree -Credential $cred -Format | Format-Table -GroupBy Name -AutoSize...
Is there any way to change input type=“date” format?
...
It is impossible to change the format
We have to differentiate between the over the wire format and the browser's presentation format.
Wire format
The HTML5 date input specification refers to the RFC 3339 specification, which specifies a full-date forma...
Is there any way to prevent input type=“number” getting negative values?
...t; 58)
|| e.keyCode == 8)) {
return false;
}
}
<form action="" method="post">
<input type="number" id="number" min="0" />
<input type="submit" value="Click me!"/>
</form>
Clarification provided by @Hugh Guiney:
What key codes are being c...