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Get local href value from anchor (a) tag
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Why does this CSS margin-top style not work?
... each other because their margins are equal.
Here are the relevant points from the W3C spec:
8.3.1 Collapsing margins
In CSS, the adjoining margins of two or more boxes (which might or might not be siblings) can combine to form a single margin. Margins that combine this way are said to col...
Serializing class instance to JSON
...coders-and-decoders
One good solution would be to make your class inherit from JSONEncoder and then implement the JSONEncoder.default() function, and make that function emit the correct JSON for your class.
A simple solution would be to call json.dumps() on the .__dict__ member of that instance. ...
Capturing multiple line output into a Bash variable
...u want — to demonstrate:
echo "$RESULT"
What you show is what you get from:
echo $RESULT
As noted in the comments, the difference is that (1) the double-quoted version of the variable (echo "$RESULT") preserves internal spacing of the value exactly as it is represented in the variable — ...
Elegant ways to support equivalence (“equality”) in Python classes
...ds of classes:
classic-style (or old-style) classes, that do not inherit from object and that are declared as class A:, class A(): or class A(B): where B is a classic-style class;
new-style classes, that do inherit from object and that are declared as class A(object) or class A(B): where B is a ne...
.NET Global exception handler in console application
...ct way to do it. This worked exactly as it should, something you can work from perhaps:
using System;
class Program {
static void Main(string[] args) {
System.AppDomain.CurrentDomain.UnhandledException += UnhandledExceptionTrapper;
throw new Exception("Kaboom");
}
sta...
A KeyValuePair in Java [duplicate]
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@doctor-oreo yes any java programmer could download jar from hc.apache.org but android has those built in
– kreker
Dec 13 '11 at 21:58
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Background image jumps when address bar hides iOS/Android/Mobile Chrome
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EDIT: While the above script works perfectly for keeping the background from resizing, it causes a noticeable gap when users scroll down. This is because it is keeping the background sized to 100% of the screen height minus the URL bar. If we add 60px to the height, as swiss suggests, this proble...
Writing to an Excel spreadsheet
I am new to Python. I need to write some data from my program to a spreadsheet. I've searched online and there seem to be many packages available (xlwt, XlsXcessive, openpyxl). Others suggest to write to a .csv file (never used CSV and don't really understand what it is).
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biggest integer that can be stored in a double
...iplied by 2exponent − 52. So with exponent 52 you can store all values from 252 through to 253 − 1. Then with exponent 53, the next number you can store after 253 is 253 + 1 × 253 − 52. So loss of precision first occurs with 253 + 1.
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