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Confusion between factor levels and factor labels
... is set by the labels argument in the factor() function. This is different from the concept of labels in statistical packages like SPSS, and can be confusing in the beginning.
What you do in this line of code
df$f <- factor(df$f, levels=c('a','b','c'),
labels=c('Treatment A: XYZ','Treatment ...
`elif` in list comprehension conditionals
...
You can use list comprehension is you are going to create another list from original.
>>> l = [1, 2, 3, 4, 5]
>>> result_map = {1: 'yes', 2: 'no'}
>>> [result_map[x] if x in result_map else 'idle' for x in l]
['yes', 'no', 'idle', 'idle', 'idle']
...
What's the difference between Html.Label, Html.LabelFor and Html.LabelForModel
...For(a => a.CustomerName) //strongly typed
2nd method used a property from your model. If your view implements a model then you can use the 2nd method.
More info please visit below link
http://weblogs.asp.net/scottgu/archive/2010/01/10/asp-net-mvc-2-strongly-typed-html-helpers.aspx
...
Why does Pycharm's inspector complain about “d = {}”?
...me. In my case, I'm populating my dict partially as literals and partially from a tuple output by a function, like so:
def get_other_values():
return 3, 4
foo = {
"a": 1,
"b": 2
}
foo["c"], foo["d"] = get_other_values()
So, unless I create interim vars for the output of get_other_val...
Likelihood of collision using most significant bits of a UUID in Java
...queness in one app you can just have a counter (or a counter which starts from the currentTimeMillis()*1000 or nanoTime() depending on your requirements)
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Any way to force strict mode in node?
...me where you found that it is "unsupported by Node?" Is that just inferred from the fact that it's not documented?
– pushkin
Mar 1 '19 at 20:26
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Can I set variables to undefined or pass undefined as an argument?
...y, undefined is a JavaScript-specific mess, which confuses everyone. Apart from optional function arguments, where JS has no other more elegant mechanism, undefined should be avoided. It should never have been part of the language; null would have worked just fine for (2) and (3), and (4) is a misfe...
How do I serialize an object and save it to a file in Android?
...size()];
int i=0;
for (JsonElement jsonElement : arr)
events[i++]=gson.fromJson(jsonElement, Event.class);
//Object example
pagination=gson.fromJson(parser.parse(jsonPagination).getAsJsonObject(), Pagination.class);
sha...
git-svn: how do I create a new svn branch via git?
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as of git v1.6.1, git svn branch is available.
From the git docs:
branch
Create a branch in the SVN repository.
-m, --message
Allows to specify the commit message.
-t, --tag
Create a tag by using the tags_subdir inst...
What does “Git push non-fast-forward updates were rejected” mean?
... there have been other commits pushed to the remote repository that differ from your commits. You can usually solve this with a
git pull
before you push
Ultimately, "fast-forward" means that the commits can be applied directly on top of the working tree without requiring a merge.
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