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Bash script prints “Command Not Found” on empty lines
...s2unix script.sh
That wil convert line endings, etc from Windows to unix format. i.e. it strips \r (CR) from line endings to change them from \r\n (CR+LF) to \n (LF).
More details about the dos2unix command (man page)
Another way to tell if your file is in dos/Win format:
cat scriptname.sh |...
Python 2.7: Print to File
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Get selected value/text from Select on change
...le way which works in many environments like React, Vue or just plain HTML forms.
– VanDavv
Mar 21 '18 at 9:44
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What's the algorithm to calculate aspect ratio?
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@Dementic, that is the simplest form of the fraction, hence the correct aspect ratio, and 158 other people (including the OP) seem to agree :-). If you have some other idea of what would be better, please let me know and I'll look at adjusting the answer.
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Twitter Bootstrap - add top space between rows
...ootstrap 3
If you need to separate rows in bootstrap, you can simply use .form-group. This adds 15px margin to the bottom of row.
In your case, to get margin top, you can add this class to previous .row element
<div class="row form-group">
/* From bootstrap.css */
.form-group {
ma...
Why doesn't django's model.save() call full_clean()?
...t call 'full_clean' on a model unless it is being saved as part of a model form.
6 Answers
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Difference between and text
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By default, this does next to nothing. It will not even submit your form. You can only place text on the button and give it a size and a border by means of CSS. Its original (and current) intent was to execute a script without the need to submit the form to the server.
Normal submit button w...
How to determine day of week by passing specific date?
... Sunday, see Calendar.SUNDAY), instead of going through a calendar, just reformat the string: new SimpleDateFormat("EE").format(date) (EE meaning "day of week, short version")
if you have your input as string, rather than Date, you should use SimpleDateFormat to parse it: new SimpleDateFormat("dd/M...
Formatting code snippets for blogging on Blogger [closed]
...de, after using it for like 20 minutes, I can't thank you enough! The best formatting, no hussle, all the code is in one place, the posts look just beautiful, the editing of a post is incredibly easy as you don't mix up the code with the rest of the post and never worry that you do something stupid ...
How do you suppress output in IPython Notebook?
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