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When should iteritems() be used instead of items()?
....items() returned a list of (key, value) pairs. In Python 3.x, .items() is now an itemview object, which behaves different - so it has to be iterated over, or materialised... So, list(dict.items()) is required for what was dict.items() in Python 2.x.
Python 2.7 also has a bit of a back-port for key...
Generate a random double in a range
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This question was asked before Java 7 release but now, there is another possible way using Java 7 (and above) API:
double random = ThreadLocalRandom.current().nextDouble(min, max);
nextDouble will return a pseudorandom double value between the minimum (inclusive) and the ...
Simpler way to put PDB breakpoints in Python code?
... whatever other languages you use.
2019 Update (Python 3.7+)
Python 3.7+ now has the builtin breakpoint() which can replace the previous import pdb; pdb.set_trace() in vim. It still works the same.
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Pandas get topmost n records within each group
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Yes, I think that's it. Overlooked this somehow. Do you know good way to number records within group?
– Roman Pekar
Nov 19 '13 at 10:48
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Is there a difference between foreach and map?
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Thanks! Now I understand the difference. It had been hazy for me for quite some time
– Robert Gould
Dec 10 '08 at 2:18
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
...ached a limit of 11 sites, after which it started running even slower! For now, I've split things up into two hosts entries (with the same IP address) and it seems to be going fine.
– Alex Ghiculescu
Apr 15 '13 at 6:46
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Using Gulp to Concatenate and Uglify files
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Coming from grunt it was a little confusing at first but it makes sense now. I hope it helps the gulp noobs.
And, if you need sourcemaps, here's the updated code:
var gulp = require('gulp'),
gp_concat = require('gulp-concat'),
gp_rename = require('gulp-rename'),
gp_uglify = require(...
How do I seed a random class to avoid getting duplicate random values [duplicate]
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@AndréChristofferAndersen How do you know? dilbert.com/dyn/str_strip/000000000/00000000/0000000/000000/…
– joppiesaus
Apr 4 '14 at 15:53
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Click button copy to clipboard using jQuery
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Edit as of 2016
As of 2016, you can now copy text to the clipboard in most browsers because most browsers have the ability to programmatically copy a selection of text to the clipboard using document.execCommand("copy") that works off a selection.
As with some...
Embed SVG in SVG?
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xlink:href is deprecated, now you should just use href. Could you update your answer to include that?
– Donald Duck
Aug 16 at 8:51
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