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jQuery empty() vs remove()
... empty the selection of its contents and remove the selection itself.
Consider:
<div>
<p><strong>foo</strong></p>
</div>
$('p').empty(); // --> "<div><p></p></div>"
// whereas,
$('p').remove(); // --> "<div></div>"...
Convert varchar to uniqueidentifier in SQL Server
...he schema for, contains a column defined as varchar(50) which stores uniqueidentifiers in the format 'a89b1acd95016ae6b9c8aabb07da2010' (no hyphens)
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What rules does Pandas use to generate a view vs a copy?
I'm confused about the rules Pandas uses when deciding that a selection from a dataframe is a copy of the original dataframe, or a view on the original.
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Get class name of django model
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Peter, how did you merge two querysets?? Or is the merged set just a list of model instances?? Thanks
– little_birdie
Jan 25 '17 at 20:40
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Difference between make and build in Android Studio
The Android Studio Build menu has options including
3 Answers
3
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How does one use rescue in Ruby without the begin and end block
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I'm using the def / rescue combination a lot with ActiveRecord validations:
def create
@person = Person.new(params[:person])
@person.save!
redirect_to @person
rescue ActiveRecord::RecordInvalid
render :action => :new
end
I think this is very lean code!
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TypeError: sequence item 0: expected string, int found
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string.join connects elements inside list of strings, not ints.
Use this generator expression instead :
values = ','.join(str(v) for v in value_list)
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Count cells that contain any text
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
HTTP header line break style
...any such thing at all; since it essentially specifies "this is the only valid syntax for HTTP," anything else is invalid syntax. Of course, you could violate the RFC all you want, there's nobody who could stop you - but then you're technically not implementing a HTTP client anymore, just something t...
XML Serialization - Disable rendering root element of array
...ve just noticed that while I've updated this answer, Rubens Farias has provided an reply that shows you how to eliminate the namespace.
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