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Explain how finding cycle start node in cycle linked list work?
...he loop length. After mu additional steps past the meeting point, you are now at X_(i + mu). But we have shown that X_(i + mu) = X_(mu + i) = X_mu, because of this special property of i, so mu steps past the meeting point must take you to X_mu, the start of the cycle. Basically modular arithmetic,...
MySQL case insensitive select
...ic because of certain column values having insensitive case. We needed to know the difference between "GE1234" and "ge1234", they needed to be unique and stay logged that way. We set our column in create table statement this way instead: varchar(20) CHARACTER SET utf8 COLLATE utf8_bin
...
Cleaner way to update nested structures
...ess,
set = (p: Person, addr: Address) => p.copy(address = addr))
Now, compose them to get a lens that changes zipcode in a person:
val personZipCodeLens = personAddressLens andThen addressZipCodeLens
Finally, use that lens to change raj:
val updatedRaj = personZipCodeLens.set(raj, pers...
How to remove last n characters from every element in the R vector
...ar_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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Session variables in ASP.NET MVC
...his object to be accessed from any part of the website and I don't really know the best way to accomplish this. I know that one solution is to use session variables but I don't know how to use them in asp .net MVC. And where would I declare a session variable? Is there any other way?
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What does && mean in void *p = &&abc;
...id *p = &&abc; . What is the significance of && here?
I know about rvalue references but I think && used in this context is different. What does && indicate in void *p = &&abc; ?
...
How can I find where I will be redirected using cURL?
...p follow the redirect. I dont want to follow the redirect, I just want to know the url of the redirected page.
– Thomas Van Nuffel
Aug 19 '10 at 8:50
9
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how to stop browser back button using javascript
...
It's worth mentioning that things have now changed in modern browsers: see stackoverflow.com/questions/19926641/…
– devrobf
Jun 10 '16 at 12:25
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Callback functions in Java
...rface myCallback {
void onSuccess();
void onError(String err);
}
now to make this callback run when ever you wish to do to handle the results - more likely after async call and you wanna run some stuff which depends on these reuslts
// import the Interface class here
public class App {
...
git + LaTeX workflow
...ized part of your work, and it is also easier for version control, as you know what changes have been made to each chapter, instead of having to figure it out from the logs of one big file.
Using Git efficiently:
Use branches!. There is perhaps no better advice I can give. I've found branches to ...