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How to define a function in ghci across multiple lines?
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125
For guards (like your example), you can just put them all on one line and it works (guards do n...
Re-raise exception with a different type and message, preserving existing information
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206
Python 3 introduced exception chaining (as described in PEP 3134). This allows, when raising a...
How to create a custom string representation for a class object?
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280
Implement __str__() or __repr__() in the class's metaclass.
class MC(type):
def __repr__(sel...
Remove element by id
...o about extending the DOM read this article.
EDIT: Reviewing my answer in 2019, node.remove() has come to the rescue and can be used as follows (without the polyfill above):
document.getElementById("my-element").remove();
or
[...document.getElementsByClassName("my-elements")].map(n => n &...
Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
I am trying to create 2 versions of an Android app (free/paid). I have an Android Library that contains files common to both. I created a new Android project and am trying to use the Library but get the error below:
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Is it safe to delete a NULL pointer?
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269
delete performs the check anyway, so checking it on your side adds overhead and looks uglier. ...
How do I do a multi-line string in node.js?
...${num} is ${num + num}.`);
which will print "the result of 10 plus 10 is 20." to the console.
Older versions of node
Older version of node can use a "line continuation" character allowing you to write multi-line strings such as:
'this is a \
single string'
which evaluates to: 'this is a singl...
Cast Double to Integer in Java
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edited Sep 29 '18 at 21:38
Jack Giffin
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Regular expression for exact match of a string
...tch two passwords with regular expression. For example I have two inputs "123456" and "1234567" then the result should be not match (false). And when I have entered "123456" and "123456" then the result should be match (true).
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