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Check if inputs are empty using jQuery
...g');
}
});
And you don't necessarily need .length or see if it's >0 since an empty string evaluates to false anyway but if you'd like to for readability purposes:
$('#apply-form input').blur(function()
{
if( $(this).val().length === 0 ) {
$(this).parents('p').addClass('warning'...
How to trigger a build only if changes happen on particular set of files
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answered Feb 10 '12 at 21:04
Aaron KushnerAaron Kushner
75666 silver badges44 bronze badges
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What does int argc, char *argv[] mean?
... << argc << " arguments:" << std::endl;
for (int i = 0; i < argc; ++i) {
std::cout << argv[i] << std::endl;
}
}
Running it with ./test a1 b2 c3 will output
Have 4 arguments:
./test
a1
b2
c3
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Deadly CORS when http://localhost is the origin
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Chrome does not support localhost for CORS requests (a bug opened in 2010, marked WontFix in 2014).
To get around this you can use a domain like lvh.me (which points at 127.0.0.1 just like localhost) or start chrome with the --disable-web-security flag (assuming you're just testing).
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Java JTable setting Column Width
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What happens if you call setMinWidth(400) on the last column instead of setPreferredWidth(400)?
In the JavaDoc for JTable, read the docs for doLayout() very carefully. Here are some choice bits:
When the method is called as a result of the resizing of an en...
nvm keeps “forgetting” node in new terminal session
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+50
Try nvm alias default. For example:
$ nvm alias default 0.12.7
This sets the default node version in your shell. Then verify that th...
Find the day of a week
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305
df = data.frame(date=c("2012-02-01", "2012-02-01", "2012-02-02"))
df$day <- weekdays(as.Dat...
How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
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202
In the Google Maps API v2 Demo there is a MarkerDemoActivity class in which you can see how a c...
parsing JSONP $http.jsonp() response in angular.js
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300
UPDATE: since Angular 1.6
You can no longer use the JSON_CALLBACK string as a placeholder ...
Using node.js as a simple web server
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1013
Simplest Node.js server is just:
$ npm install http-server -g
Now you can run a server via ...