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Delete empty lines using sed
...\s*$ will match all "empty" lines, empty here means, the line contains no chars, or the line contains only empty strings (E.g. spaces). All matched lines will be removed by sed, with the d command.
– Kent
Feb 26 '17 at 19:41
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How can I format a String number to have commas and round?
...as well merge this into a BigInteger type of class that handles compressed char[] arrays for math computations.
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req.body empty on posts
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In Postman of the 3 options available for content type select "X-www-form-urlencoded" and it should work.
Also to get rid of error message replace:
app.use(bodyParser.urlencoded())
With:
app.use(bodyParser.urlencoded({
extended: true
}));
See https://github.com/expressjs/body...
Convert DOS line endings to Linux line endings in Vim
...s I created in Windows, the lines all end with ^M .
How do I delete these characters all at once?
26 Answers
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How to get anchor text/href on click using jQuery?
...ll break if another element has the class name link. Better to specify tag selector also.
– rahul
Apr 16 '10 at 11:11
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What are the differences between 'call-template' and 'apply-templates' in XSL?
...ower of XSLT: It takes any number of XML nodes (whatever you define in the select attribute), iterates them (this is important: apply-templates works like a loop!) and finds matching templates for them:
<!-- sample XML snippet -->
<xml>
<foo /><bar /><baz />
</xml...
“Unicode Error ”unicodeescape" codec can't decode bytes… Cannot open text files in Python 3 [duplica
...Users\Eric\Desktop\beeline.txt"
Here, \U in "C:\Users... starts an eight-character Unicode escape, such as \U00014321. In your code, the escape is followed by the character 's', which is invalid.
You either need to duplicate all backslashes:
"C:\\Users\\Eric\\Desktop\\beeline.txt"
Or prefix th...
How to scroll to top of long ScrollView layout?
... This also has the advantage over fullScroll() in that it keeps the selected item still selected after the move. With fullScroll(), the first item in the scrollview was reselected each time in my case, independent of the selected item before the scroll moved upwards.
– ...
[ :Unexpected operator in shell programming [duplicate]
...gh omitted whitespace around the brackets hardly compensate for the single character saved. ("if [ $x = 5 ]" vs "if test $x = 5"; 13 chars vs 14).
– William Pursell
Aug 8 '10 at 3:17
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UIButton title text color
... I want a UIButton to be displayed as highlighted:
- (void)changeColorAsUnselection{
[self setTitleColor:[UIColor colorFromHexString:acColorGreyDark]
forState:UIControlStateNormal &
UIControlStateSelected &
UIControlState...