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Parse an HTML string with JS
...imple:
var parser = new DOMParser();
var htmlDoc = parser.parseFromString(txt, 'text/html');
// do whatever you want with htmlDoc.getElementsByTagName('a');
According to MDN, to do this in chrome you need to parse as XML like so:
var parser = new DOMParser();
var htmlDoc = parser.parseFromString...
Get program execution time in the shell
...command like time -p i=x; while read line; do x=x; done < /path/to/file.txt? It immediatly returns 0.00 unless I don't put anything before the while loop.. what gives?
– natli
Dec 14 '12 at 21:45
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GIT: Checkout to a specific folder
... git show 82e54378856215ef96c5db1ff1160a741b5dcd70:MyProj/proguard/mapping.txt > myproj_mapping.txt
– ef2011
Oct 14 '12 at 23:49
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jQuery get the location of an element relative to window
...we call the above event handler function
code snippet
function log(txt) {
$("#log").html("location : <b>" + txt + "</b> px")
}
$(function() {
var eTop = $('#element').offset().top; //get the offset top of the element
log(eTop - $(window).scrollTop()); //position of t...
How to prettyprint a JSON file?
... ]
}
]
To parse a file, use json.load():
with open('filename.txt', 'r') as handle:
parsed = json.load(handle)
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How to extract text from a PDF? [closed]
...import - luckily no images. Ghostscript worked for me:
gswin64c -sDEVICE=txtwrite -o output.txt input.pdf
The output file was split into pages with headers, etc., but it was then easy to write an app to strip out blank lines, etc, and suck in all 30,000 records. -dSIMPLE and -dCOMPLEX made no dif...
How to tell if a file is git tracked (by shell exit code)?
... It will print an error if it's not tracked by git
PS$> git status foo.txt
error: pathspec 'foo.txt' did not match any file(s) known to git.
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How to retrieve a file from a server via SFTP?
...tpChannel = (ChannelSftp) channel;
sftpChannel.get("remotefile.txt", "localfile.txt");
sftpChannel.exit();
session.disconnect();
} catch (JSchException e) {
e.printStackTrace();
} catch (SftpException e) {
e.printStackTrac...
What's an easy way to read random line from a file in Unix command line?
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This is simple.
cat file.txt | shuf -n 1
Granted this is just a tad slower than the "shuf -n 1 file.txt" on its own.
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How do I dump the data of some SQLite3 tables?
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You can put your statements in a file (e.g. sample.txt) and then invoke it using: sqlite3 db.sq3 < sample.txt
– CyberFonic
Oct 13 '14 at 23:48
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