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How can I find all matches to a regular expression in Python?
...or over MatchObject objects.
Example:
re.findall( r'all (.*?) are', 'all cats are smarter than dogs, all dogs are dumber than cats')
# Output: ['cats', 'dogs']
[x.group() for x in re.finditer( r'all (.*?) are', 'all cats are smarter than dogs, all dogs are dumber than cats')]
# Output: ['all cats...
How to get the part of a file after the first line that matches a regular expression?
...vior of sed of printing each line after executing its script on it, -e indicated a script to sed, /TERMINATE/,$ is an address (line) range selection meaning the first line matching the TERMINATE regular expression (like grep) to the end of the file ($), and p is the print command which prints the cu...
How do I view 'git diff' output with my preferred diff tool/ viewer?
...e new-file new-hex new-mode
"<path_to_diff_executable>" "$2" "$5" | cat
--8<-(snap)--
As you can see, only the second ("old-file") and fifth ("new-file") arguments will be
passed to the diff tool.
2) Type
$ git config --global diff.external <path_to_wrapper_script>
at the comma...
How do I do word Stemming or Lemmatization?
...a to use stopwords to minimize output lemmas if it's used later in classificator. Please take a look at coreNlp extension written by John Conwell.
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How to inherit from a class in javascript?
... used with the new operator:
var subInstance = new Sub();
Function application or "constructor chaining":
function Super () {
this.member1 = 'superMember1';
this.member2 = 'superMember2';
}
function Sub() {
Super.apply(this, arguments);
this.member3 = 'subMember3';
}
This approach sh...
How to pattern match using regular expression in Scala?
... @MichaelLafayette: Inside of a character class ([]), the caret indicates negation, so [^\s] means 'non-whitespace'.
– Fabian Steeg
Jun 6 '16 at 12:02
...
How can I use pointers in Java?
...m will throw an exception (OutOfMemoryError) when you call new and the allocator cannot allocate the requested cell. This is very rare and usually results from run-away recursion.
Note that, from a language point of view, abandoning objects to the garbage collector are not errors at all. It is just...
Read values into a shell variable from a pipe
... data and work on each line separately you could use something like this:
cat myFile | while read x ; do echo $x ; done
if you want to split the lines up into multiple words you can use multiple variables in place of x like this:
cat myFile | while read x y ; do echo $y $x ; done
alternatively...
How to grep a text file which contains some binary data?
...
You could run the data file through cat -v, e.g
$ cat -v tmp/test.log | grep re
line1 re ^@^M
line3 re^M
which could be then further post-processed to remove the junk; this is most analogous to your query about using tr for the task.
...
How does one escape backslashes and forward slashes in VIM find/search?
...anywhere else in linuxy programs, with a backslash:
:%s/<dog\/>/<cat\\>
But note that you can select a different delimiter instead:
:%s@<doc/>@<cat\\>@
This saves you all typing all those time-consuming, confusing backslashes in patterns with a ton of slashes.
From the...