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NullPointerException in Java with no StackTrace
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jQuery posting valid json in request body
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1 Answer
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How to override the [] operator in Python?
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311
You need to use the __getitem__ method.
class MyClass:
def __getitem__(self, key):
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How to check if variable's type matches Type stored in a variable
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195
The other answers all contain significant omissions.
The is operator does not check if the ru...
Show current key setting?
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110
To see the current value currently defined for <leader>, use:
:let mapleader
Producin...
Netbeans: how to change @author
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215
Steps:
Go to Tools -> Templates.
Click on Settings button. A new panel with template sett...
Concatenate two string literals
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141
const string message = "Hello" + ",world" + exclam;
The + operator has left-to-right associa...
Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...essing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation.
BTW: The correct way to do this is to use TryGetValue
obj item;
if(!dict.TryGetValue(name, out item))
return null;
return item;
This accesses the dictionary only once instead of twice.
If you really want...
Count number of matches of a regex in Javascript
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194
tl;dr: Generic Pattern Counter
// THIS IS WHAT YOU NEED
const count = (str) => {
const r...
How to disable word-wrap in Xcode 4 editor?
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answered Mar 11 '11 at 14:00
David HancockDavid Hancock
13.9k44 gold badges3737 silver badges4343 bronze badges
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