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val() vs. text() for textarea
...uery, and wondering if I should use val() or text() (or another method) to read and update the content of a textarea.
2 Ans...
Jquery live() vs delegate() [duplicate]
I've read some posts here and elsewhere on the web about the differences between live() and delegate() . However I haven't found the answer I'm looking for (if this is a dupe please tell me).
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Trying to SSH into an Amazon Ec2 instance - permission error
...s
command if needed: chmod 400 mykey.pem
400 protects it by making it read only and only for the owner.
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Why is it bad practice to call System.gc()?
...ng this, you shouldn't"
EDIT to address a few concerns from the other thread:
After reading the thread you linked, there's a few more things I'd like to point out.
First, someone suggested that calling gc() may return memory to the system. That's certainly not necessarily true - the Java heap i...
Unable to login to SQL Server + SQL Server Authentication + Error: 18456
...
Read the post below.
– Levi Fuller
Oct 2 '14 at 20:22
6
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How to dynamically create a class?
... Note also that you will have to use reflection to examine, read and update fields in your dynamic type. If you want intellisense and no reflection, you have to have a static base class or interface that your dynamic class inherits from and can be casted to. In that case you can modif...
Is recursion a feature in and of itself?
...ed you marks for using a "feature" he hadn't taught yet, that was wrong.
Reading between the lines, one possibility is that by using recursion, you avoided ever using a feature that was supposed to be a learning outcome for his course. For example, maybe you didn't use iteration at all, or maybe y...
Using javadoc for Python documentation [closed]
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for all the humans out there who read docstrings
– Waylon Flinn
Feb 26 '15 at 23:41
1
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Difference between Divide and Conquer Algo and Dynamic Programming
...= 2...n
mem[i] = mem[i-2] + mem[i-1]
return mem[n]
}
You may read more about memoization and tabulation comparison here.
The main idea you should grasp here is that because our divide and conquer problem has overlapping sub-problems the caching of sub-problem solutions becomes possibl...
How to find keys of a hash?
...
# OUTPUT
# > a 1
# > b 2
# > ["a", "b"]
However, since ECMA5 already added Object.keys you might as well use:
Object.defineProperty(Object.prototype, 'keys', {
value: function keys() {
return Object.keys(this);
},
enumerable: false
});
Original answer
Object.prototype.keys ...