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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
...
“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...
[ :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
...
Alternatives to gprof [closed]
...lways found profilers not so useful for fixing slow code, and instead used selective bits of debugging code to measure the time taken by a group of statements of my choosing, often aided by some trivial little macros or whatever. It's never taken me too long to find the culprit, but I've always bee...
How to get a tab character?
In HTML, there is no character for a tab, but I am confused as to why I can copy and paste one here: . (You can't see the full width of it, but if you click to edit my question, you will see the character.) If I can copy and paste a tab character, there should be a unicode equivalent that can be ...
Receive JSON POST with PHP
...eeing did not work when the JSON was being sent with outer most "container chars" as []. This answer here with RAW_POST_DATA did the trick for me. And is fine with my current PHP stack. I was stuck for a while .. thanks very much for this solution!
– Gene Bo
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Given a URL to a text file, what is the simplest way to read the contents of the text file?
... = urllib2.urlopen("http://www.google.com").read(20000) # read only 20 000 chars
data = data.split("\n") # then split it into lines
for line in data:
print line
* Second example in Python 3:
import urllib.request # the lib that handles the url stuff
for line in urllib.request.urlopen(t...
Grabbing the href attribute of an A element
...matches <a at the begining of the string, followed by any number of any char (non greedy) .*? then href= followed by the link surrounded by either " or '
$str = '<a title="this" href="that">what?</a>';
preg_match('/^<a.*?href=(["\'])(.*?)\1.*$/', $str, $m);
var_dump($m);
Output:...
Indexes of all occurrences of character in a string
...System.out.println(index);
}
[Note: if guess can be longer than a single character, then it is possible, by analyzing the guess string, to loop through word faster than the above loops do. The benchmark for such an approach is the Boyer-Moore algorithm. However, the conditions that would favor usi...
Numeric for loop in Django templates
... center creates a string of n spaces that are then looped over. Each space char is then ignored, but the current value in range can be found from forloop.counter (or forloop.counter0). See docs.djangoproject.com/en/dev/ref/templates/builtins/#center
– isedwards
...