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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...nly) browsers to accept XHTML 1.0 documents by following the
guidelines, and serving them as text/html. Therefore, documents served as
text/html should be treated as HTML and not as XHTML.
It's a very common pitfall, because W3C Validator largely ignores that rule, but browsers follow it relig...
Best way to convert text files between character sets?
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Stand-alone utility approach
iconv -f ISO-8859-1 -t UTF-8 in.txt > out.txt
-f ENCODING the encoding of the input
-t ENCODING the encoding of the output
You don't have to specify either of these arguments. They will de...
Node.js getaddrinfo ENOTFOUND
When using Node.js to try and get the html content of the following web page:
17 Answers
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Renaming files in a folder to sequential numbers
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Try to use a loop, let, and printf for the padding:
a=1
for i in *.jpg; do
new=$(printf "%04d.jpg" "$a") #04 pad to length of 4
mv -i -- "$i" "$new"
let a=a+1
done
using the -i flag prevents automatically overwriting existing files.
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How to do exponentiation in clojure?
...ell: I'd recommend using this rather than going via Java interop since it handles all the Clojure arbitrary-precision number types correctly. It is in namespace clojure.math.numeric-tower.
It's called expt for exponentiation rather than power or pow which maybe explains why it's a bit hard to find ...
How to remove multiple deleted files in Git repository
I have deleted some files and git status shows as below.
16 Answers
16
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How can I convert string date to NSDate?
...t dateFormatter = NSDateFormatter()
dateFormatter.dateFormat = /* find out and place date format from
* http://userguide.icu-project.org/formatparse/datetime
*/
let date = dateFormatter.dateFromString(/* your_date_string */)
For further quer...
Example use of “continue” statement in Python?
... the past three or four days, why would I ever need a 'continue' statement and then I run into this post which in turn helps me with some QA — many thanks!
– Freddy
Mar 10 '16 at 5:56
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Add context path to Spring Boot application
...xt root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it.
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Test if a vector contains a given element
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Both the match() (returns the first appearance) and %in% (returns a Boolean) functions are designed for this.
v <- c('a','b','c','e')
'b' %in% v
## returns TRUE
match('b',v)
## returns the first location of 'b', in this case: 2
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