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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
...char(100) if you're only storing 20 characters in each, err on the side of caution and just make it 50.
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What is the purpose of AsQueryable()?
Is the purpose of AsQueryable() just so you can pass around an IEnumerable to methods that might expect IQueryable , or is there a useful reason to represent IEnumerable as IQueryable ? For example, is it supposed to be for cases like this:
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font-style: italic vs oblique in CSS
...lic is created by the type designer with specific characters (notably lowercase a) drawn differently to create a more calligraphic, as well as slanted version.
Some type foundries have arbitrarily created obliques that aren't necessarily approved by the designers themselves... some fonts were meant...
Why doesn't the JVM cache JIT compiled code?
The canonical JVM implementation from Sun applies some pretty sophisticated optimization to bytecode to obtain near-native execution speeds after the code has been run a few times.
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Why JSF saves the state of UI components on server?
...y does JSF need to save the state of UI components on the server side ?
Because HTTP is stateless and JSF is stateful. The JSF component tree is subject to dynamic (programmatic) changes. JSF simply needs to know the exact state as it was when the form had been displayed to the enduser, so that it ...
Does MySQL ignore null values on unique constraints?
...column that I want to be unique. But I also want it to accept null values. Can my database have 2 null emails that way?
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How does Bluebird's util.toFastProperties function make an object's properties “fast”?
...o related.
This slightly outdated article is still a fairly good read that can give you a good idea on how objects are stored in v8.
Why it's faster
In JavaScript prototypes typically store functions shared among many instances and rarely change a lot dynamically. For this reason it is very desirab...
Mock vs MagicMock
My understanding is that MagicMock is a superset of Mock that automatically does "magic methods" thus seamlessly providing support for lists, iterations and so on... Then what is the reason for plain Mock existing? Isn't that just a stripped down version of MagicMock that can be practically ...
shared_ptr to an array : should it be used?
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With C++17, shared_ptr can be used to manage a dynamically allocated array. The shared_ptr template argument in this case must be T[N] or T[]. So you may write
shared_ptr<int[]> sp(new int[10]);
From n4659, [util.smartptr.shared.const]
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Git branch diverged after rebase
I have rebased a branch locally which was already pushed.
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