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How do I prevent site scraping? [closed]
...version, with more tips and details.
In order to hinder scraping (also known as Webscraping, Screenscraping, Web data mining, Web harvesting, or Web data extraction), it helps to know how these scrapers work, and
, by extension, what prevents them from working well.
There's various types of scr...
Equivalent of “throw” in R
...
There's even more OO now. :)
– Iterator
Nov 1 '11 at 20:32
3
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Convert NSDate to NSString
... @zekel I'm not sure what the documentation used to say, but now it suggests init in multiple places.
– Neal Ehardt
Aug 20 '12 at 21:03
2
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How do I get the RootViewController from a pushed controller?
...
For all who are interested in a swift extension, this is what I'm using now:
extension UINavigationController {
var rootViewController : UIViewController? {
return self.viewControllers.first
}
}
share
...
Mongo interface [closed]
...
MongoHub is not quite active right now.
– Musaffa
Apr 26 '14 at 7:59
@Musaffa ...
Rails layouts per action?
... method before, but wasn't thinking of testing that when I had the problem now, thanks again.
– 244an
Oct 1 '15 at 15:07
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Conveniently Declaring Compile-Time Strings in C++
...nything to match the elegance of Scott Schurr's str_const presented at C++ Now 2012. It does require constexpr though.
Here's how you can use it, and what it can do:
int
main()
{
constexpr str_const my_string = "Hello, world!";
static_assert(my_string.size() == 13, "");
static_assert(...
Separate Back Stack for each tab in Android using Fragments
...ks.get(mCurrentTab).size() == 0){
return;
}
/*Now current fragment on screen gets onActivityResult callback..*/
mStacks.get(mCurrentTab).lastElement().onActivityResult(requestCode, resultCode, data);
}
}
4. app_main_tab_fragment_layout.xml (In case anyone ...
Python glob multiple filetypes
... a list of multiple file types such as .txt, .mdown, and .markdown? Right now I have something like this:
32 Answers
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Is “double hashing” a password less secure than just hashing it once?
...rse the key derivation is discovered, an attacker still has to complete a known-plaintext attack.
How to break a password
Stored passwords need protection from an offline attack. If passwords aren't salted, they can be broken with a pre-computed dictionary attack (for example, using a Rainbow Tabl...