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The import javax.servlet can't be resolved [duplicate]
...
You need to set the scope of the dependency to 'provided' in your POM.
http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#Dependency_Scope
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
...
Difference between two dates in MySQL
...ours, 60 min, 60 secs (since DATEDIFF returns diff in days). From MySQL:
http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html
for example:
mysql> SELECT DATEDIFF('2007-12-31 23:59:59','2007-12-30 00:00:00') * 24*60*60
...
Sending a mail from a linux shell script
I want to send an email from a Linux Shell script. What is the standard command to do this and do I need to set up any special server names?
...
Setting a timeout for socket operations
...t.setSoTimeout(timeout) for setting a timeout on read() operations.
See: http://docs.oracle.com/javase/7/docs/api/java/net/Socket.html
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Under what conditions is a JSESSIONID created?
...sion is created)
Sessions are per-context:
SRV.7.3 Session Scope
HttpSession objects must be scoped at
the application (or servlet context)
level. The underlying mechanism, such
as the cookie used to establish the
session, can be the same for different
contexts, but the object re...
How to write trycatch in R
... to the R world ;-)
Here you go
Setting up the code
urls <- c(
"http://stat.ethz.ch/R-manual/R-devel/library/base/html/connections.html",
"http://en.wikipedia.org/wiki/Xz",
"xxxxx"
)
readUrl <- function(url) {
out <- tryCatch(
{
# Just to highlight: i...
align right in a table cell with CSS
... </tr>
</tbody>
</table>
See the following fiddle:
http://jsfiddle.net/Joysn/3u3SD/
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What is sharding and why is it important?
... copies, then read the total. An example of this "sharded counter wrt GAE: http://code.google.com/appengine/articles/sharding_counters.html
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Cloning an Object in Node.js
...j1.x); // still logs 5
Source code of Node's _extend function is in here: https://github.com/joyent/node/blob/master/lib/util.js
exports._extend = function(origin, add) {
// Don't do anything if add isn't an object
if (!add || typeof add !== 'object') return origin;
var keys = Object.keys(ad...
Convert python datetime to epoch with strftime
...on doesn't actually support %s as an argument to strftime (if you check at http://docs.python.org/library/datetime.html#strftime-and-strptime-behavior it's not in the list), the only reason it's working is because Python is passing the information to your system's strftime, which uses your local tim...