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Why does [5,6,8,7][1,2] = 8 in JavaScript?
... + — array subscript access operation,
where index is `1,2,3`,
which is an expression that evaluates to `3`.
The second [...] cannot be an array, so it’s an array subscript operation. And the contents of a subscript operation are not a delimited list...
What does “The APR based Apache Tomcat Native library was not found” mean?
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It means exactly what it says: "The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path"
The library referred to is bundled into an OS specific dll ...
What does status=canceled for a resource mean in Chrome Developer Tools?
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TypeScript type signatures for functions with variable argument counts
...pt variable amounts of arguments. Take the following object literal as an example:
3 Answers
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Programmatically change log level in Log4j2
...apache.logging.log4j.core.config.Configurator;
Configurator.setLevel("com.example.Foo", Level.DEBUG);
// You can also set the root logger:
Configurator.setRootLevel(Level.DEBUG);
Source
EDITED to reflect changes in the API introduced in Log4j2 version 2.0.2
If you wish to change the root logger...
How to disallow temporaries
...r macro-based solution:
#define Foo class Foo
The statement Foo("hi"); expands to class Foo("hi");, which is ill-formed; but Foo a("hi") expands to class Foo a("hi"), which is correct.
This has the advantage that it is both source- and binary-compatible with existing (correct) code. (This claim ...
throw Error('msg') vs throw new Error('msg')
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Both are fine; this is explicitly stated in the specification:
... Thus the function call Error(…) is equivalent to the object creation expression new Error(…) with the same arguments.
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Remove menu and status bars in TinyMCE 4
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excellent! any idea how customize a specific textarea rather than all of'em?
– abbood
Apr 10 '14 at 8:21
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ipython notebook clear cell output in code
... the end of this loop you will only see one Hello World!.
Without a code example it's not easy to give you working code. Probably buffering the latest n events is a good strategy. Whenever the buffer changes you can clear the cell's output and print the buffer again.
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SQL Server Text type vs. varchar data type [closed]
...(2005) database. I want to learn some best practices about how to choose TEXT SQL type or choose VARCHAR SQL type, pros and cons in performance/footprint/function.
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