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Graphviz: How to go from .dot to a graph?
I can't seem to figure this out. I have a .dot file, which is valid according to the syntax. How do I use graphviz to convert this into an image?
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How do you set EditText to only accept numeric values in Android?
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edited Jul 17 at 2:33
Josh Correia
1,70711 gold ba...
Rebasing a branch including all its children
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git branch --contains C | \
xargs -n 1 \
git rebase --committer-date-is-author-date --preserve-merges --onto B C^
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How to access a mobile's camera from a web app?
...I want to take a photo and upload it, but I don't want to use Adobe Flash. Is there any way to do this?
11 Answers
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RGB to hex and hex to RGB
...f").g); // "51";
Finally, an alternative version of rgbToHex(), as discussed in @casablanca's answer and suggested in the comments by @cwolves:
function rgbToHex(r, g, b) {
return "#" + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1);
}
alert(rgbToHe...
Getting “Skipping JaCoCo execution due to missing execution data file” upon executing JaCoCo
...SNAPSHOT
From jacoco:prepare-agent that says:
One of the ways to do this in case of maven-surefire-plugin - is to
use syntax for late property evaluation:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
&...
How to print a groupby object
... key, item in grouped_df:
print(grouped_df.get_group(key), "\n\n")
This also works,
grouped_df = df.groupby('A')
gb = grouped_df.groups
for key, values in gb.iteritems():
print(df.ix[values], "\n\n")
For selective key grouping: Insert the keys you want inside the key_list_from_gb, ...
How to find all occurrences of an element in a list?
index() will just give the first occurrence of an item in a list. Is there a neat trick which returns all indices in a list for an element?
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Is it possible to read the value of a annotation in java?
this is my code:
9 Answers
9
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Get last record in a queryset
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You could simply do something like this, using reverse():
queryset.reverse()[0]
Also, beware this warning from the Django documentation:
... note that reverse() should
generally only be called on a QuerySet
which has a defined ordering (e.g.,
when q...