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Cache Invalidation — Is there a General Solution?
...the 'rules' of the system as a result of the combined behaviour.
If you know that a always has validity if b does then you can arrange your cache like so (pseudocode):
private map<b,map<a,c>> cache //
private func realFunction // (a,b) -> c
get(a, b)
{
c result;
map&l...
Static variables in member functions
...only to those types. e.g. template<typename T> void foo (T t) {...}. Now for foo<int> there will be a static int i (say foo<int>::i) and separate for foo<string> there will be a separate static int i (say foo<string>::i) and so on. i will be incremented separately for f...
How to get height of entire document with JavaScript?
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hm - now I test it and it works - i dont know why - so ok :) - i delete my previous comment
– Kamil Kiełczewski
Jun 28 '17 at 16:26
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Practical uses of different data structures [closed]
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@TonyL. I know this is an older question, but I believe 2 stacks are used or Undo/Redo. When you undo an action it is popped off the action stack and placed on the Redo Stack. If you redo, you then pop it off the Redo Stack and push it ...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...y.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rename_table :old_table_name, :new_table_name
end
end
(You still have to go t...
Logging raw HTTP request/response in ASP.NET MVC & IIS7
...agree, good answer. I've used it as the basis for a custom logger but have now come across a problem where some headers are missing and most importantly when using IIS compression I can't access the final compressed response. I started a new related question (stackoverflow.com/questions/11084459/...
Generating HTML email body in C#
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I didn't even knowm this existed, sheer genius it is... +1 and Accepted
– Rob
May 20 '09 at 9:15
5
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What does the keyword “transient” mean in Java? [duplicate]
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The great irony is that this is now the first hit on google. So ...
– Richard Rast
Sep 27 '16 at 20:06
1
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How to cancel a Task in await?
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Wow great info! That worked perfectly, now I need to figure out how to handle the exception in the async method. Thanks man! I'll read the stuff you suggested.
– Carlo
Apr 13 '12 at 2:48
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How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
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@Matthieu: Now add rvalue refs, perfect forwarding and uniform initialization from @DeadMG's code and you've got many new features set. :>
– Xeo
May 24 '11 at 17:36
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