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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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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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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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In a URL, should spaces be encoded using %20 or +? [duplicate]
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Form data (for GET or POST) is usually encoded as application/x-www-form-urlencoded: this specifies + for spaces.
URLs are encoded as RFC 1738 which specifies %20.
In theory I think you should have %20 before the ? and + af...
drag drop files into standard html file input
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This is the "DTHML" HTML5 way to do it. Normal form input (which IS read only as Ricardo Tomasi pointed out). Then if a file is dragged in, it is attached to the form. This WILL require modification to the action page to accept the file uploaded this way.
function re...
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...
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...
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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