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Update relationships when saving changes of EF4 POCO objects
...s like Refresh, Load, ApplyCurrentValues, ApplyOriginalValues, MergeOption etc. But by my investigation all these features work only for single entity and affects only scalar preperties (= not navigation properties and relations). I rather not test this methods with complex types nested in entity.
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What is a lambda expression in C++11?
...ines of unneeded code to wrap 1-3 lines of real logic to some classes, and etc.! Some engineers think that if the number of lines is smaller then there is a less chance to make errors in it (I'm also think so)
Example of usage
auto x = [=](int arg1){printf("%i", arg1); };
void(*f)(int) = x;
f(1);
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Passing Data between View Controllers
...ater
Singleton classes
Databases and other storage mechanisms like plist, etc.
But for the simple scenario of passing a value to a different class whose allocation is done in the current class, the most common and preferred method would be the direct setting of values after allocation. This is do...
Best Practices: Salting & peppering passwords?
...ographic secret.
The current password hashing algorithms (bcrypt, pbkdf2, etc) all are designed to only take in one secret value (the password). Adding in another secret into the algorithm hasn't been studied at all.
That doesn't mean it is not safe. It means we don't know if it is safe. And the g...
What's the fastest way to merge/join data.frames in R?
..." case depending on the relative sizes of the tables, multiplicity of keys etc. (that's why I said I'm not sure if my example is representative). Nonetheless, it's nice to see all the different solutions to the problem.
– datasmurf
Dec 1 '10 at 23:27
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How does HTTP file upload work?
...andle multiple input parameters as well, such as userId, path, captionText etc?
– Asle G
Jan 30 '15 at 9:46
1
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Why not use tables for layout in HTML? [closed]
...aster pages or user controls in .net, include files in php or classic asp, etc ... Anybody who copies the company layout like this deserves an a** kicking! ;-)
– John MacIntyre
May 20 '09 at 14:30
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Merging: Hg/Git vs. SVN
... @Lohoris I think you misunderstood my point about DB, firewall, etc: there is little point me being able to commit on my home machine if I can't actually run that code first. I could work blind, but the fact that I can't commit things somewhere wouldn't be the main thing putting me off.
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How to check if two arrays are equal with JavaScript? [duplicate]
...to extend to DataViews. Should also be able to extend to RegExps probably, etc.
As you extend it, you realize you do lots of unnecessary comparisons. This is where the type function that I defined way earlier (solution #2) can come in handy; then you can dispatch instantly. Whether that is worth th...
How do I make a list of data frames?
...enty of detail of how to assign data frames to list elements, access them, etc. We'll cover that a little here too, but the Main Point is to say don't wait until you have a bunch of a data.frames to add them to a list. Start with the list.
The rest of the this answer will cover some common cases wh...