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How do I tidy up an HTML file's indentation in VI?
...her move the cursor to the top of the file and indent to the end: gg =G
Or select the desired text to indent and hit = to indent it.
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JavaScript property access: dot notation vs. brackets?
...t notation allows access to properties containing
special characters and selection of
properties using variables
Another example of characters that can't be used with dot notation is property names that themselves contain a dot.
For example a json response could contain a property called...
How to link a folder with an existing Heroku app
... switch to the "deploy" tab and choose the deployment method "Heroku git" (selected by default). Then, you'll get instructions on how to connect an existing folder/git with Heroku.
– handy
Apr 13 at 8:30
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How to force child div to be 100% of parent div's height without specifying parent's height?
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This should be the selected answer
– Gabriel
Apr 26 '18 at 13:33
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How to execute a MySQL command from a shell script?
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mysql -h <host> -u<user> -p<password> database -e \
"SELECT * FROM blah WHERE foo='bar';"
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Use of alloc init instead of new
...s here: http://macresearch.org/difference-between-alloc-init-and-new
Some selected ones are:
new doesn't support custom initializers (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you're comfortable with.
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How to prevent the activity from loading twice on pressing the button
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This is the correct approach. It will even handle Button Selected States for you (if you provide them) and all the Material Design “goodies” you’d expect from a simple standard Widget. I can’t believe people use timers for this. Then you start seeing strange libraries to ha...
Undo git update-index --assume-unchanged
...will print all files with their status
grep '^[a-z]' will filter files and select only assume unchanged
cut -c 3- will remove status and leave only paths, cutting from the 3-rd character to the end
tr '\012' '\000' will replace end of line character (\012) to zero character (\000)
xargs -0 git updat...
How to kill all processes with a given partial name? [closed]
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If you need more flexibility in selecting the processes use
for KILLPID in `ps ax | grep 'my_pattern' | awk ' { print $1;}'`; do
kill -9 $KILLPID;
done
You can use grep -e etc.
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Jquery If radio button is checked
...' of "appended" to the 'appended' element
appended.id = 'appended';
// 1. selects '<input type="radio" />' elements with the 'name' attribute of 'postage'
// 2. assigns the onChange/onchange event handler
$('input:radio[name="postage"]').change(
function(){
// checks that the cli...