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Is nested function a good approach when required by only one function? [closed]
...humb, if the function is complex (more than 10 lines) it might be a better idea to declare it on the module level.
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html onchange event not working
...nge" before the user does anything; adjust your code as necessary.
If the idea of a timing event going off every tenth of a second seems ungainly, you can initiate the timer when the input field receives the focus and terminate it (with clearInterval()) upon a blur. I don't think it's possible to c...
How can I make a JPA OneToOne relation lazy
...be lazy.
Replacing one-to-one with one-to-many is pretty much never a good idea. You can replace it with unique many-to-one but there are other (possibly better) options.
Rob H. has a valid point, however you may not be able to implement it depending on your model (e.g. if your one-to-one associat...
What is the main difference between Inheritance and Polymorphism?
...ss modifiers you put on the fields/methods in Person, but that's the basic idea. For example, if you have a private field on Person, Student won't see it because its private, and private fields are not visible to subclasses.
Polymorphism deals with how the program decides which methods it should u...
Compare double to zero using epsilon
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The test certainly is not the same as someValue == 0. The whole idea of floating-point numbers is that they store an exponent and a significand. They therefore represent a value with a certain number of binary significant figures of precision (53 in the case of an IEEE double). The repres...
Is it acceptable and safe to run pip install under sudo?
...the comments section have pointed out the next approach is not a very good idea unless you do not know what to do and got stuck:
Another approach for global packages like in your case you want to do something like :
chown -R $USER /Library/Python/2.7/site-packages/
or more generally
chown -R ...
How do I discover memory usage of my application in Android?
...total RAM they are using, and compare pss between processes to get a rough idea of their relative weight.
The other interesting metric here is PrivateDirty, which is basically the amount of RAM inside the process that can not be paged to disk (it is not backed by the same data on disk), and is not ...
Good MapReduce examples [closed]
... that they are limited to key-value based implementations of the MapReduce idea (so they are limiting in applicability).
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...tains helpful guidelines; let me attempt a pragmatic summary:
The general idea behind non-terminating errors is to allow "fault-tolerant" processing of large input sets: failure to process a subset of the input objects should not (by default) abort the - potentially long-running - process as a whol...
Why aren't pointers initialized with NULL by default?
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It doesn't break compatibility. The idea has been considered in conjunction with "int* x = __uninitialized" - safety by default, speed by intent.
– MSalters
Dec 16 '09 at 10:22
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