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How to resize an image to fit in the browser window?
...want to vertically center? Just add: margin: auto;
– cat
Apr 3 '19 at 18:48
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How to pass payload via JSON file for curl?
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curl sends POST requests with the default content type of application/x-www-form-urlencoded. If you want to send a JSON request, you will have to specify the correct content type header:
$ curl -vX POST http://server/api/v1/places.json -d @testplace.json \
--header "Content-Type: applic...
Printing the last column of a line in a file
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Using Perl
$ cat rayne.txt
A1 123 456
B1 234 567
C1 345 678
A1 098 766
B1 987 6545
C1 876 5434
$ perl -lane ' /A1/ and $x=$F[2] ; END { print "$x" } ' rayne.txt
766
$
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How do I convert from int to String?
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Normal ways would be Integer.toString(i) or String.valueOf(i).
The concatenation will work, but it is unconventional and could be a bad smell as it suggests the author doesn't know about the two methods above (what else might they not know?).
Java has special support for the + operator when us...
How do I show my global Git configuration?
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You can also use cat ~/.gitconfig.
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Find duplicate lines in a file and count how many time each line was duplicated?
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If you want to only print duplicate lines, use 'uniq -d'
– DmitrySandalov
Sep 3 '14 at 1:20
6
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How do you make Git ignore files without using .gitignore?
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The last two can be a solution for your problem but:
they are not replicated for a distant repository
they can have their patterns overridden by the other sources
(See also this SO question)
The other two solutions involve updating the index (git update-index):
git update-index --assume-...
Check orientation on Android phone
...gravity sensor to figure out orientation properly.
– Cat
Aug 21 '14 at 23:08
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Force line-buffering of stdout when piping to tee
...responding settings changed by 'stdbuf'.
Also some filters (like 'dd' and 'cat' etc.) dont use streams for I/O,
and are thus unaffected by 'stdbuf' settings.
you are not running stdbuf on tee, you're running it on a, so this shouldn't affect you, unless you set the buffering of a's streams in a's ...
How to execute shell command in Javascript
...e below.
var exec = require('child_process').exec, child;
child = exec('cat *.js bad_file | wc -l',
function (error, stdout, stderr) {
console.log('stdout: ' + stdout);
console.log('stderr: ' + stderr);
if (error !== null) {
console.log('exec error: ' + er...