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Validating parameters to a Bash script
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remember to set +e and use '-eq' instead of '==' for integer comparisons
– guns
Mar 31 '09 at 0:50
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ggplot2 legend to bottom and horizontal
How can I move a ggplot2 legend to the bottom of the plot and turn it horizontally?
2 Answers
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Can I query MongoDB ObjectId by date?
... an ObjectId embedded with a given datetime */
/* Accepts both Date object and string input */
function objectIdWithTimestamp(timestamp) {
/* Convert string date to Date object (otherwise assume timestamp is a date) */
if (typeof(timestamp) == 'string') {
timestamp = new Date(timest...
Macro vs Function in C
I always saw examples and cases where using a macro is better than using function.
11 Answers
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WPF: ItemsControl with scrollbar (ScrollViewer)
...owed this small "tutorial" on how to add a scrollbar to an ItemsControl, and it works in Designer view, but not when I compile and execute the program (only the first few items show up, and no scrollbar to view more - even when VerticalScrollbarVisibility is set to "Visible" instead of "Auto").
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relative path in BAT script
...sewhere (XP, Vista oder Windwos 8 --> I don't know but: Microsoft logic and I couldn't find any docs about it ;)). However, I found that I had to put quotation marks around it ("%~dp0\bin\Iris.exe") as the path had a whitespace in it :) Just to be really sure it works on every computer.
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jQuery posting JSON
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@FMM and Jonas N - Can you guys help me figure out how to update my answer for correctness? The examples in the jQuery docs (here: api.jquery.com/jQuery.post) make it appear as though you can post either a JS object or a string, ...
Add a common Legend for combined ggplots
...e looked through a lot of forum posts, but everything I try seem to be commands that are now updated and named something else.
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Get lengths of a list in a jinja2 template
... products|length > 1 %}
jinja2's builtin filters are documented here; and specifically, as you've already found, length (and its synonym count) is documented to:
Return the number of items of a sequence or mapping.
So, again as you've found, {{products|count}} (or equivalently {{products|...
Url decode UTF-8 in Python
...th URL quoting, so you want to decode, with urllib.parse.unquote(), which handles decoding from percent-encoded data to UTF-8 bytes and then to text, transparently:
from urllib.parse import unquote
url = unquote(url)
Demo:
>>> from urllib.parse import unquote
>>> url = 'exampl...