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Is there a recommended format for multi-line imports?
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Personally I go with parentheses when importing more than one component and sort them alphabetically. Like so:
from Tkinter import (
Button,
Canvas,
DISABLED,
END,
Entry,
Frame,
LEFT,
NORMAL,
RIDGE,
Text,
Tk,
)
This has the added advantage of easily ...
Email address validation using ASP.NET MVC data type attributes
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Thank you @Shittu Olugbenga! But I can't understand why this doesn't work: [DataType(DataType.EmailAddress, ErrorMessage = "Error message.")]
– Wellington Zanelli
Sep 18 '14 at 12:34
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How to implement a ConfigurationSection with a ConfigurationElementCollection
I am trying to implement a custom configuration section in a project and I keep running up against exceptions that I do not understand. I am hoping someone can fill in the blanks here.
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How can I group data with an Angular filter?
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Great example. However, the key returns the group name and not the actual key... how can we solve that?
– JohnAndrews
Mar 18 '15 at 11:20
7
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Tomcat: How to find out running tomcat version
...cd tomcat/lib
java -cp catalina.jar org.apache.catalina.util.ServerInfo
and that's it.
Server version: Apache Tomcat/7.0.30
Server built: May 23 2013 02:54:10
Server number: 7.0.30.0
OS Name: Linux
OS Version: 3.13.0-36-generic
Architecture: amd64
JVM Version: 1.7.0_65-b32
JVM...
Get all attributes of an element using jQuery
I am trying to go through an element and get all the attributes of that element to output them, for example an tag may have 3 or more attributes, unknown to me and I need to get the names and values of these attributes. I was thinking something along the lines of:
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Setting WPF image source in code
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After having the same problem as you and doing some reading, I discovered the solution - Pack URIs.
I did the following in code:
Image finalImage = new Image();
finalImage.Width = 80;
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BitmapImage logo = new BitmapImage();
logo.BeginInit();
logo.UriSource =...
How do I use CSS in Django?
I am creating my application using Django, and am wondering how I can make Django use my CSS file? What settings do I need to do to make Django see the css file?
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What's the best way to validate an XML file against an XSD file?
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How do i use an ErrorHandler with the above? Is is a case of just creating the ErrorHandler and associating it with the validator? i.e. validator.SetErrorHandler() as in the example in this SO question stackoverflow.com/questions/4864681/…?
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What is the difference between user and kernel modes in operating systems?
What are the differences between User Mode and Kernel Mode, why and how do you activate either of them, and what are their use cases?
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