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Get the first element of each tuple in a list in Python [duplicate]
...mprehensions
For a discussion on why to prefer comprehensions over higher-order functions such as map, go to http://www.artima.com/weblogs/viewpost.jsp?thread=98196.
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Are getters and setters poor design? Contradictory advice seen [duplicate]
... check when tempted to promote a POJO to a Bean. Accessors, serialization, etc. are a form of complexity: stackoverflow.com/questions/601721/decoupling-vs-yagni
– Chris Noe
Aug 24 '10 at 15:11
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When should I use std::thread::detach?
...shed or had been killed. Hopefully the OS will release the locks on files, etc... but you could have corrupted shared memory, half-written files, and the like.
So, should you use join or detach ?
Use join
Unless you need to have more flexibility AND are willing to provide a synchronization mech...
What is Castle Windsor, and why should I care?
...ssemblies. You can specify lifecycles like singleton or per-http-request, etc. Keep going - it will change your work.
– Matt Hinze
Sep 24 '08 at 17:19
6
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How serious is this new ASP.NET security vulnerability and how can I workaround it?
...e information about the way that the site's decryption process works.
In order for the attack to work the following must be true:
Your application must give an error message about the padding being invalid.
Someone must tamper with your encrypted cookies or viewstate
So, if you return human re...
Difference between window.location.href, window.location.replace and window.location.assign
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How do I find the duplicates in a list and create another list with them?
...perform better. This code computes a list of unique elements in the source order:
seen = set()
uniq = []
for x in a:
if x not in seen:
uniq.append(x)
seen.add(x)
or, more concisely:
seen = set()
uniq = [x for x in a if x not in seen and not seen.add(x)]
I don't recommen...
Is there a MySQL option/feature to track history of changes to records?
...RE (t1.revision = 1 AND t2.revision = 1) OR t2.revision = t1.revision+1
ORDER BY t1.primary_key_column ASC, t2.revision ASC
Edit:
Oh wow, people like my history table thing from 6 years ago :P
My implementation of it is still humming along, getting bigger and more unwieldy, I would assume. I ...
Unable to find valid certification path to requested target - error even after cert imported
...tificate cert = chain[k];
String alias = host + "-" + (k + 1);
ks.setCertificateEntry(alias, cert);
OutputStream out = new FileOutputStream("jssecacerts");
ks.store(out, passphrase);
out.close();
System.out.println();
System.out.println(cert);
System.out.println();
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Why are side-effects modeled as monads in Haskell?
...ally represent the real world, it's just a token to keep the operations in order (the "magic" is that RealWorld is GHC Haskell's only uniqueness type)
– Jeremy List
Oct 30 '15 at 7:15
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