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Very simple log4j2 XML configuration file using Console and File appender
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<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} -...
Behaviour for significant change location API when terminated/suspended?
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80
Since I asked this question, I have done a fair bit of testing (mostly on the train between home...
Accessing elements of Python dictionary by index
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10 Answers
10
Active
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Equation (expression) parser with precedence?
...expr = expr `chainl1` toOp
expr = optChainl1 term addop (toScalar 0)
term = factor `chainl1` mulop
factor = sexpr `chainr1` powop
sexpr = parens aexpr
<|> scalar
<|> ident
powop = sym "^" >>= return . (B Pow)
<|> sym "^-" >...
How Python web frameworks, WSGI and CGI fit together
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+250
How WSGI, CGI, and the frameworks are all connected?
Apache listens on port 80. It gets an HTTP request. It parses the request to f...
When should I use UNSIGNED and SIGNED INT in MySQL?
...//dev.mysql.com/doc/refman/5.6/en/integer-types.html
UNSIGNED ranges from 0 to n, while signed ranges from about -n/2 to n/2.
In this case, you have an AUTO_INCREMENT ID column, so you would not have negatives. Thus, use UNSIGNED. If you do not use UNSIGNED for the AUTO_INCREMENT column, your maxi...
How to make inline functions in C#
...ere are several syntaxes available.
Anonymous methods were added in C# 2.0:
Func<int, int, int> add = delegate(int x, int y)
{
return x + y;
};
Action<int> print = delegate(int x)
{
Console.WriteLine(x);
}
Action<int> helloWorld = delegate // parameters can be elided if ...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...votesRef.transaction(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaSc...
What is the worst gotcha in C# or .NET? [closed]
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304
private int myVar;
public int MyVar
{
get { return MyVar; }
}
Blammo. Your app crashes w...
How to use sidebar with the keyboard in Sublime Text 2 and 3?
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You can type Ctrl+0 (Ctrl+Zero) to focus on the side bar.
Then you'll be able to move selection among files with arrow keys and to open the selected file hitting Enter, without touching the mouse.
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