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Which browsers support ?
...IE10p2+, Chrome 11+, Safari 5+, Firefox 3.6+
Q: Which browsers support the new spec that defines behavior for the "async" property in JavaScript, on a dynamically created script element?
A: IE10p2+, Chrome 12+, Safari 5.1+, Firefox 4+
As for Opera, they are very close to releasing a version which...
Do you need text/javascript specified in your tags?
...e same kind of short-sighted thinking that makes people name their files "_new" and confuses other people for years. Is it the "_new"? Or "_new_new"? Or "_newer"? IMO it's short-sighted.
– Slobaum
Apr 11 '13 at 1:51
...
Why would I make() or new()?
...n documents dedicate many paragraphs to explaining the difference between new() and make() , but in practice, you can create objects within local scope and return them.
...
Unix's 'ls' sort by name
... |
edited Apr 1 '19 at 14:51
answered May 18 '09 at 15:19
E...
How to create a cron job using Bash automatically without the interactive editor?
...ontab as follows:
#write out current crontab
crontab -l > mycron
#echo new cron into cron file
echo "00 09 * * 1-5 echo hello" >> mycron
#install new cron file
crontab mycron
rm mycron
Cron line explaination
* * * * * "command to be executed"
- - - - -
| | | | |
| | | | ----- Day of w...
How to use UIScrollView in Storyboard
...iew.
Select RootView, and click Update Frames button.
Update Frames is a new button in Xcode8, instead of Resolve Auto Layout Issues button. It looks like a refresh button, located in the control bar below the Storyboard:
View hierarchy:
RootView
ScrollView
ContentView
RedView
BlueVi...
Specifying a custom DateTime format when serializing with Json.Net
...tting settings:
string json = JsonConvert.SerializeObject(yourObject,
new IsoDateTimeConverter() { DateTimeFormat = "yyyy-MM-dd HH:mm:ss" });
This uses the JsonConvert.SerializeObject overload that takes a params JsonConverter[] argument.
...
How can I rename a field for all documents in MongoDB?
...3.2 you can also use
db.students.updateMany( {}, { $rename: { "oldname": "newname" } } )
The general syntax of this is
db.collection.updateMany(filter, update, options)
https://docs.mongodb.com/manual/reference/method/db.collection.updateMany/
...
How do I kill background processes / jobs when my shell script exits?
...
To clean up some mess, trap can be used. It can provide a list of stuff executed when a specific signal arrives:
trap "echo hello" SIGINT
but can also be used to execute something if the shell exits:
trap "killall background" EXIT
It's a builtin, so help trap will give y...
serve current directory from command line
...
Alternate, more complex way:
ruby -r webrick -e "s = WEBrick::HTTPServer.new(:Port => 9090, :DocumentRoot => Dir.pwd); trap('INT') { s.shutdown }; s.start"
Even the first command is hard to remember, so I just have this in my .bashrc:
function serve {
port="${1:-3000}"
ruby -run -e ...