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IBOutlet and IBAction
...ost was edited, IBOutlet does not resolve to id. Consider this: IBOutlet UILabel *nameLabel; - if IBOutlet resolved to id, then that code would read id UIlabel *namelabel; which produces a compiler error. As I originally stated, IBOutlet resolves to nothing.
– Jasarien
...
Getting Django admin url for an object
...to_edit_object(obj):
url = reverse('admin:%s_%s_change' % (obj._meta.app_label, obj._meta.model_name), args=[obj.id] )
return u'<a href="%s">Edit %s</a>' % (url, obj.__unicode__())
This is similar to hansen_j's solution except that it uses url namespaces, admin: being the admin'...
Iterate over model instance field names and values in template
...e template add:
{% for field in object %}
<li><b>{{ field.label }}:</b> {{ field.data }}</li>
{% endfor %}
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ggplot2 plot without axes, legends, etc
...o generate a plot that fills the entire (png) display region - no axes, no labels, no background, no nuthin'.
7 Answers
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How to set the id attribute of a HTML element dynamically with angularjs (1.x)?
...he raw ng expression is never rendered in a valid HTML attribute (e.g. id, label, etc). This is to stop any downstream usage reading ng 'junk' (e.g. before render is complete, or after a js crash)
– Overflew
Jan 10 '18 at 0:38
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Is Ruby pass by reference or by value?
... str to a value of 'foo'?
str = 'foo'
str.object_id # => 2000
A: A label called str is created that points at the object 'foo', which for the state of this Ruby interpreter happens to be at memory location 2000.
Q2: What happens when you assign the existing variable str to a new object us...
Use of def, val, and var in scala
...at exists in Scala between def, val and var.
def - defines an immutable label for the right side content which is lazily evaluated - evaluate by name.
val - defines an immutable label for the right side content which is eagerly/immediately evaluated - evaluated by value.
var - defines a mutable v...
Modifying a subset of rows in a pandas dataframe
...
Use .loc for label based indexing:
df.loc[df.A==0, 'B'] = np.nan
The df.A==0 expression creates a boolean series that indexes the rows, 'B' selects the column. You can also use this to transform a subset of a column, e.g.:
df.loc[df.A...
Clone private git repo with dockerfile
...nd then COPY the required files into your final image.
Additionally if we LABEL our intermediate layers, we can even delete them from the machine when finished.
# Choose and name our temporary image.
FROM alpine as intermediate
# Add metadata identifying these images as our build containers (this ...
Rails 4 multiple image or file upload using carrierwave
...part => true }) do |f| %>
<div class="field">
<%= f.label :title %><br>
<%= f.text_field :title %>
</div>
<%= f.fields_for :post_attachments do |p| %>
<div class="field">
<%= p.label :avatar %><br>
<...