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How do I exchange keys with values in a dictionary?
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How can I get the line number which threw exception?
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If you need the line number for more than just the formatted stack trace you get from Exception.StackTrace, you can use the StackTrace class:
try
{
throw new Exception();
}
catch (Exception ex)
{
// Get stack trace for the exception with source fi...
Java's Virtual Machine and CLR
...use they're already encoded in the instruction), but that means it needs a more complex bytecode format, with more instruction types.
I've been using Java (and admiring the JVM) for about ten years now.
But, in my opinion, the CLR is now the superior implementation, in almost every way.
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How do I run a terminal inside of Vim?
... in terminal that can be opened with the :term command. This provides much more complete integration with the rest of the Vim features.
I would definitely recommend screen for something like this. Vim is a text editor, not a shell.
I would use Ctrl+AS to split the current window horizontally, or i...
Send POST data using XMLHttpRequest
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What is the difference between old style and new style classes in Python?
... of class and type.
A new-style class is simply a user-defined type, no more, no less.
If x is an instance of a new-style class, then type(x) is typically
the same as x.__class__ (although this is not guaranteed – a
new-style class instance is permitted to override the value returned
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What is the difference between LR, SLR, and LALR parsers?
... worth knowing that GLR parsers can parse any context free language, using more complicated machinery but exactly the same tables (including the smaller version used by LALR). This means that GLR is strictly more powerful than LR, LALR and SLR; pretty much if you can write a standard BNF grammar, GL...
How to generate a random string of a fixed length in Go?
...t is not used (and our rand.Source is properly initialized / seeded).
One more thing to note here: package doc of math/rand states:
The default Source is safe for concurrent use by multiple goroutines.
So the default source is slower than a Source that may be obtained by rand.NewSource(), bec...
How to extract the year from a Python datetime object?
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Although now() feels more natural on a datetime. datetime.date.today().year, maybe. :)
– Lennart Regebro
Jul 15 '09 at 18:43
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