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How does a hash table work?
...n the library. The output of the hash calculation could be in the range of 0 to one billion which is a lot higher.
So, what do we do? We use something called modulus calculation, which basically says that if you counted to the number you wanted (i.e. the one billion number) but wanted to stay insid...
Spring Boot application as a Service
...yapp.jar /etc/init.d/myapp
OR
sudo ln -s ~/myproject/build/libs/myapp-1.0.jar /etc/init.d/myapp_servicename
After that you can do the usual
/etc/init.d/myapp start
Then setup a link in whichever runlevel you want the app to start/stop in on boot if so desired.
As a systemd service
To ru...
Number of elements in a javascript object
...hecking hasOwnProperty():
function countProperties(obj) {
var count = 0;
for(var prop in obj) {
if(obj.hasOwnProperty(prop))
++count;
}
return count;
}
In case of ECMAScript 5 capable implementations, this can also be written as (Kudos to Avi Flax)
function ...
How to check edittext's text is email address or not?
...
answered May 25 '11 at 5:05
AndyAndy
5,10177 gold badges3434 silver badges5151 bronze badges
...
Getting the PublicKeyToken of .Net assemblies
...ing to your Visual Studio version and Operating System Architecture :
VS 2008 on 32bit Windows :
"%ProgramFiles%\Microsoft SDKs\Windows\v6.0A\bin\sn.exe" -T <assemblyname>
VS 2008 on 64bit Windows :
"%ProgramFiles(x86)%\Microsoft SDKs\Windows\v6.0A\bin\sn.exe" -T <assemblyname>
VS...
What is the difference between linear regression and logistic regression?
...As regression might actually
produce probabilities that could be less than 0, or even bigger than
1, logistic regression was introduced.
Source: http://gerardnico.com/wiki/data_mining/simple_logistic_regression
Outcome
In linear regression, the outcome (dependent variable) is continuous.
It can...
Moment.js - how do I get the number of years since a date, not rounded up?
...ful fromNow method rounds up the years. For instance, if today is 12/27/2012 and the person's birth date is 02/26/1978, moment("02/26/1978", "MM/DD/YYYY").fromNow() returns '35 years ago'. How can I make Moment.js ignore the number of months, and simply return the number of years (i.e. 34) since...
How can I convert a string to boolean in JavaScript?
...
204
myValue === 'true'; is precisely equivalent to myValue == 'true';. There is no benefit in using === over == here.
– T...
SQL how to make null values come last when sorting ascending
...
402
select MyDate
from MyTable
order by case when MyDate is null then 1 else 0 end, MyDate
...