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Difference between `set`, `setq`, and `setf` in Common Lisp?
...f stand for? claims that the f actually stands for function, not field (or form, for that matter), and provides references, so while the setf for field makes some sense, it looks like it might not be correct.
– Joshua Taylor
May 22 '14 at 15:06
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Add column with number of days between dates in DataFrame pandas
...days) will give you the -58 you seek.
If your columns aren't in datetime format. The shorter syntax would be: df.A = pd.to_datetime(df.A)
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Do login forms need tokens against CSRF attacks?
...ned so far, the purpose of tokens is to prevent an attacker from forging a form submission.
4 Answers
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How to move a file?
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I used it recently in the form of --> Path("path/to/current/file.foo").rename("path/to/new/destination/for/".joinpath(Path.name)) to move all the *.LNK (shortcut) files to a DUMP directory. Worked like a charm! :D
– Amar
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How to get Resource Name from Resource id
... name for a given resource identifier. This name is a single string of the form "package:type/entry" The difference then seems to be in the added package:type for getResourceName
– Jose_GD
Mar 22 '14 at 1:26
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Rails nested form with has_many :through, how to edit attributes of join model?
...inkers
linker.rb needs accepts_nested_attributes_for :article
Then in the form:
<%= form_for(@topic) do |topic_form| %>
...fields...
<%= topic_form.fields_for :linkers do |linker_form| %>
...linker fields...
<%= linker_form.fields_for :article do |article_form| %>
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Disabling Minimize & Maximize On WinForm?
WinForms have those three boxes in the upper right hand corner that minimize, maximize, and close the form. What I want to be able to do is to remove the minimize and maximize, while keeping the close.
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get client time zone from browser [duplicate]
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TL;DR We now can use Intl.DateTimeFormat().resolvedOptions().timeZone (no IE11) as suggested by Wallace.
– Code4R7
Jul 12 '18 at 17:48
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The located assembly's manifest definition does not match the assembly reference
I am trying to run some unit tests in a C# Windows Forms application (Visual Studio 2005), and I get the following error:
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Default value in Doctrine
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Again, this solution is only for the scenario where an empty input in a form sets the DB field to null.
Background
None of the previous answers helped me with my specific scenario but I found a solution.
I had a form field that needed to behave as follow:
Not required, could be left blank. (...