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Ruby on Rails generates model field:type - what are the options for field:type?
I'm trying to generate a new model and forget the syntax for referencing another model's ID. I'd look it up myself, but I haven't figured out, among all my Ruby on Rails documentation links, how to find the definitive source.
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How to convert a char to a String?
I have a char and I need a String . How do I convert from one to the other?
12 Answers
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Responsive css background images
I have a website (g-floors.eu) and I want to make the background (in css I have defined a bg-image for the content) also responsive. Unfortunately I really don't have any idea on how to do this except for one thing that I can think of but it's quite a workaround. Creating multiple images and then us...
How do I view cookies in Internet Explorer 11 using Developer Tools
...IE11. I see an option in network profiling to view cookies being sent back and forth, but this is not really the same thing. It is cumbersome to use since it's per request. Surely there must be a way to view all cookies like you can in IE10.
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Apply formula to the entire column
... copy the formula to all cells. Make sure you CLEAR your column data first and only apply your formula to one. The above answer with "ArrayFormula" seems to be able to apply a many cells to one formula, which is not what OP wanted.
– Thanasis Kapelonis
May 3 '1...
Loading local JSON file
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I recommend to use myjson.com to upload your local file and access it from chrome browser.
– Chemical Programmer
Jan 2 '17 at 12:17
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How to convert IPython notebooks to PDF and HTML?
...o steps.
For HTML output, you should now use Jupyter in place of IPython and select File -> Download as -> HTML (.html) or run the following command:
jupyter nbconvert --to html notebook.ipynb
This will convert the Jupyter document file notebook.ipynb into the html output format.
Goog...
How to check if activity is in foreground or in visible background?
...k that the next activity has started because a system dialogue box pops-up and I only want to finish() ; once the user has selected an option from the dialogue box?
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Formatting code in Notepad++
...shortcut to format code in Notepad++ ?
I'm mainly working with HTML, CSS and Python code.
12 Answers
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Regular expression to match a line that doesn't contain a word
I know it's possible to match a word and then reverse the matches using other tools (e.g. grep -v ). However, is it possible to match lines that do not contain a specific word, e.g. hede , using a regular expression?
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