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Grabbing the href attribute of an A element
... edited May 23 '17 at 12:10
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answered Sep 29 '10 at 10:35
GordonGordon
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Connect Java to a MySQL database
...nitialContext();
DataSource dataSource = (DataSource) context.lookup("java:comp/env/jdbc/myDB");
or instantiating and configuring one from your database driver directly:
MysqlDataSource dataSource = new MysqlDataSource();
dataSource.setUser("scott");
dataSource.setPassword("tiger");
dataSource.se...
Regex empty string or email
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Make sure to read up on how extremely complicated email validation is, before trying to use RegEx to do it. stackoverflow.com/questions/201323/…
– bryan kennedy
Sep 24 '14 at 17:20
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...erConcat, StringBuilderArrayPush and StringBuilderArrayIndex http://jsperf.com/string-concat-without-sringbuilder/5 Please go there and run tests so we can get a nice sample. Note that I fixed a small bug, so the data for the tests got wiped, I will update the table once there's enough performance d...
Passing data to a bootstrap modal
...When I click on this link, I want to open a modal ( http://twitter.github.com/bootstrap/javascript.html#modals ), and pass this ID to the modal. I searched on google, but I couldn't find anything that could help me.
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using facebook sdk in Android studio
...o do is this:
Download the Facebook SDK from https://developers.facebook.com/docs/android/
Unzip the archive
In Android Studio 0.5.5 or later, choose "Import Module" from the File menu.
In the wizard, set the source path of the module to import as the "facebook" directory inside the unpacked archi...
jQuery event to trigger action when a div is made visible
...does not appear to work with the latest jQuery (1.7.1 at the date of this comment). I have reworked this solution slightly to work with the latest jQuery: stackoverflow.com/a/9422207/135968
– mkmurray
Feb 23 '12 at 22:15
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Java Replacing multiple different substring in a string at once (or in the most efficient way)
...worthwhile using a java.util.regex.Matcher (this requires time up-front to compile, so it won't be efficient if your input is very small or your search pattern changes frequently).
Below is a full example, based on a list of tokens taken from a map. (Uses StringUtils from Apache Commons Lang).
Map...
AWS ssh access 'Permission denied (publickey)' issue [closed]
...d 600 ec2-keypair.pem
ssh -v -i ec2-keypair.pem ubuntu@ec2-174-129-185-190.compute-1.amazonaws.com
For other instances, you might have to use ec2-user instead of ubuntu.
Most EC2 Linux images I've used only have the root user created by default.
See also: http://www.youtube.com/watch?v=WBro0TEAd...
When should one use a 'www' subdomain?
...en you can't set two-dot cookies or cross-subdomain cookies a la *.example.com. There are two pertinent impacts.
First it means that any user you're giving cookies to will send those cookies back with requests that match the domain. So even if you have a subdomain, images.example.com, the example....