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sometimes my file just freezes in my vi |vim, what happened?
Sometimes when I edit my file using vi or vim, my file just freezes. Even if I type Ctrl+C or Ctrl+D , it still freezes there. I kill -9 <pid> from another terminal, the pid is killed, but the file still freezes there.
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form_for but to post to a different action
I want to have a form_for @user , but post to a custom action in the users controller.
6 Answers
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Strip html from string Ruby on Rails
I'm working with Ruby on Rails, Is there a way to strip html from a string using sanitize or equal method and keep only text inside value attribute on input tag?
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Difference Between Invoke and DynamicInvoke
What is the difference between Invoke and DynamicInvoke in delegates? Please give me some code example which explain difference between that two methods.
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difference between css height : 100% vs height : auto
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height: 100% gives the element 100% height of its parent container.
height: auto means the element height will depend upon the height of its children.
Consider these examples:
height: 100%
<div style="height: 50px">
<div id="innerDiv"...
Flask-SQLAlchemy how to delete all rows in a single table
How do I delete all rows in a single table using Flask-SQLAlchemy?
3 Answers
3
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What is string_view?
string_view was a proposed feature within the C++ Library Fundamentals TS( N3921 ) added to C++17
1 Answer
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What is the Objective-C equivalent for “toString()”, for use with NSLog?
Is there a method that I can override in my custom classes so that when
5 Answers
5
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UILabel - Wordwrap text
...rs that it will only wrap on line breaks. Do I have to add line breaks to make it wrap properly? I just want it to wrap if it can't fit it in horizontally.
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jQuery: checking if the value of a field is null (empty)
...ck if the string value is the string "NULL". You want to check if it's an empty string instead:
if ($('#person_data[document_type]').val() != ''){}
or:
if ($('#person_data[document_type]').val().length != 0){}
If you want to check if the element exist at all, you should do that before calling ...