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How do I tell if a regular file does not exist in Bash?
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The test command ([ here) has a "not" logical operator which is the exclamation point (similar ...
querySelector search immediate children
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Overflow-x:hidden doesn't prevent content from overflowing in mobile browsers
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Difference between Destroy and Delete
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edited Mar 5 '18 at 21:56
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answered Mar 31 '14 at 9:03
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How to get “wc -l” to print just the number of lines without file name?
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221
Try this way:
wc -l < file.txt
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Adding additional data to select options using jQuery
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HTML Markup
<select id="select">
<option value="1" data-foo="dogs">this</option>
<option value="2" data-foo="cats">that</option>
<option value="3" data-foo="gerbils">other</option>
</select>
Code
// JavaScript using jQuery
$(fu...
Preventing Laravel adding multiple records to a pivot table
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edited Jul 4 '17 at 14:33
answered Jul 4 '13 at 18:35
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How do I reference a javascript object property with a hyphen in it?
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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
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