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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
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Histogram using gnuplot?
...nd it is often easier to use an external programme (e.g. Octave) to do the more "complicated" calculations, save this data in a file, then use Gnuplot to produce the graph. For the above problem, check out the "hist" function is Octave using [freq,bins]=hist(data), then plot this in Gnuplot using
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The SMTP server requires a secure connection or the client was not authenticated. The server respons
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How can I use Async with ForEach?
...approach over giving an async delegate to ForEach are:
Error handling is more proper. Exceptions from async void cannot be caught with catch; this approach will propagate exceptions at the await Task.WhenAll line, allowing natural exception handling.
You know that the tasks are complete at the end...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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How do I style a dropdown with only CSS?
...n #2 Truncate the select element to hide the default arrow (demo)
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(Read more here)
Wrap the select element in a div with a fixed width and overflow:hidden.
Then give the select element a width of about 20 pixels greater than the div.
The result is that the default drop-down arrow of the select el...
Java 32-bit vs 64-bit compatibility
...s the other way around. Have rolled back an edit and edited (and put a bit more information in).
– Tom Hawtin - tackline
Apr 24 '09 at 7:15
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Read a file one line at a time in node.js?
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Xcode 6 Bug: Unknown class in Interface Builder file
...usually is to resolve a different issue).
Here is an image to make things more clear:
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Why exactly is eval evil?
...or already what I really want?
The main reasons to avoid EVAL for slightly more advanced users:
you want to make sure that your code is compiled, because the compiler can check code for many problems and generates faster code, sometimes MUCH MUCH MUCH (that's factor 1000 ;-) )faster code
code that...