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String concatenation in Ruby
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580
You can do that in several ways:
As you shown with << but that is not the usual way
With...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...u need the equivalent trick with the stringizing operator too.
Section 6.10.3 of the C99 standard covers 'macro replacement', and 6.10.3.1 covers 'argument substitution'.
After the arguments for the invocation of a function-like macro have been identified,
argument substitution takes place. A...
chart.js load totally new data
...eight
var x = canvas.width/2;
var y = canvas.height/2;
ctx.font = '10pt Verdana';
ctx.textAlign = 'center';
ctx.fillText('This text is centered on the canvas', x, y);
};
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improve ...
PowerShell script to return versions of .NET Framework on a machine?
...k. The earlier answers both return the root number on my system for .NET 3.0 (where the WCF and WPF numbers, which are nested under 3.0, are higher -- I can't explain that), and fail to return anything for 4.0 ...
EDIT: For .Net 4.5 and up, this changed slightly again, so there's now a nice MSDN a...
What is P99 latency?
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201
It's 99th percentile. It means that 99% of the requests should be faster than given latency. In...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...t has 4 lines, each holding 64 bytes. We first attempt to read the address 0x2710, which goes in set 28. And then we also attempt to read addresses 0x2F00, 0x3700, 0x3F00 and 0x4700. All of these belong to the same set. Before reading 0x4700, all lines in the set would have been occupied. Reading th...
Getting an empty JQuery object
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answered May 22 '09 at 11:03
MagnarMagnar
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rails 3 validation on uniqueness on multiple attributes
I use Rails 3.0.0.beta4
3 Answers
3
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is_file or file_exists in PHP
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answered Apr 27 '09 at 10:00
hbwhbw
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Extracting substrings in Go
... Denys SéguretDenys Séguret
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