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ReadOnlyCollection or IEnumerable for exposing member collections?
...a would lead you to use a ReadOnlyCollection instead of an IEnumerable, in order to protect against the evil casting.
– Shaun Luttin
Oct 26 '15 at 16:48
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Deploying just HTML, CSS webpage to Tomcat
...oy) to /usr/share/tomcat6-myapp/myapp. It must be named index.html.
Go to /etc/tomcat6/Catalina/localhost.
Create an xml file "myapp.xml" (i guess it must have the same name as the name of the folder in step 2) inside /etc/tomcat6/Catalina/localhost with the following contents.
< Context path="...
Detect the specific iPhone/iPod touch model [duplicate]
...iPhone4,1
iPad 2 is iPad2,1 iPad2,2 and iPad2,3 depending on version (GSM etc)
iPad 3 is iPad3,1 iPad3,2 and iPad3,3 depending on version (GSM etc)
See Iphone secrets (scroll down to "internal product codes")
Another good source is:
everyiphone.com
...
Why can't stash be applied to the working directory?
... +1 I got myself in a spaghetti mess with commits and changes and stashing etc etc. This got me out of it by poping the stash to a branch thanks studgeek
– RobbZ
Sep 28 '18 at 12:48
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Array Size (Length) in C#
...ress the . key it shows you a list of all the methods, properties, events, etc. available on that object. When you highlight a member it gives you a brief description of what it does.
Press F1
If you find a method or property that might do what you want but you're not sure, you can move the curs...
How to use the 'sweep' function
...by FUN.
For instance, if you want to add 1 to the 1st row, 2 to the 2nd, etc. of the matrix you defined, you will do:
sweep (M, 1, c(1: 4), "+")
I frankly did not understand the definition in the R documentation either, I just learned by looking up examples.
...
arrayfun can be significantly slower than an explicit loop in matlab. Why?
...ons to be vectorized 'column-wise'.
We can go back to Soln3 now. The loop order there is 'row-wise'. Lets change it
tic
Soln6 = ones(T, N);
for n = 1:N
for t = 1:T
Soln6(t, n) = 3*x(t, n)^2 + 2*x(t, n) - 1;
end
end
toc
Soln6 0.201661 seconds.
Better, but still very bad. Single ...
How does the vim “write with sudo” trick work?
...command redirected using tee. The % is nothing but current file name i.e. /etc/apache2/conf.d/mediawiki.conf. In other words tee command is run as root and it takes standard input and write it to a file represented by %. However, this will prompt to reload file again (hit L to load changes in vim it...
How to parse JSON in Scala using standard Scala classes?
...rvice.common.kit.{IsvCode}
import scala.util.Try
/**
*
*/
case class Order(log: String) {
implicit lazy val formats = org.json4s.DefaultFormats
lazy val json: json4s.JValue = parse(log)
lazy val create_time: String = (json \ "create_time").extractOrElse("1970-01-01 00:00:00")
lazy v...
How to check whether a string is a valid HTTP URL?
...and Uri.TryCreate methods, but they seem to return true for file paths etc.
9 Answers
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