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Two-way encryption: I need to store passwords that can be retrieved
... data source, there will be 16 characters of data to be encrypted. So that means the actual encrypted data size is 16 bytes due to padding. Then add the 16 bytes for the salt and 64 bytes for the hmac and the total stored size is 96 bytes. So there's at best a 80 character overhead, and at worst a...
vs. . Which to use?
...It'll mysteriously
add extra padding when you're trying
to add styles, meaning you have to add
a tiny hack to get things under
control.
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Java: Static vs inner class [duplicate]
...atic fields of an instance of the class within which it is nested." ... It means without creating an object of the enclosing class right? Since as i see it, nested static class is behaviorally a top-level class that has been nested in another top-level class for packaging convenience. So, should be ...
Why does Date.parse give incorrect results?
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@CMS what do you mean by implementation dependent ?
– Royi Namir
Mar 21 '13 at 9:10
3
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Difference between array_map, array_walk and array_filter
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Changing Values:
array_map cannot change the values inside input array(s) while array_walk can; in particular, array_map never changes its arguments.
Array Keys Access:
array_map cannot operate with the array keys, array_walk can.
Return Value:
array_map returns a new array...
How to run a shell script on a Unix console or Mac terminal?
... with all the arguments you gave the script as subsequent arguments.
That means every script that is executable should have a hashbang. If it doesn't, you're not telling the kernel what it is, and therefore the kernel doesn't know what program to use to interprete it. It could be bash, perl, pyth...
What is android:weightSum in android, and how does it work?
I want to know: What is android:weightSum and layout weight, and how do they work?
9 Answers
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do..end vs curly braces for blocks in Ruby
....map do |k| k+1; end
#<Enumerator:0x0000010a06d140>
=> nil
This means that {} has a higher precedence than do..end, so keep that in mind when deciding what you want to use.
P.S: One more example to keep in mind while you develop your preferences.
The following code:
task :rake => pr...
Use of 'const' for function parameters
...cally within the function, since it is working on a copy of the data. This means the function signature is really the same anyways. It's probably bad style to do this a lot though.
I personally tend to not use const except for reference and pointer parameters. For copied objects it doesn't really m...
Numpy first occurrence of value greater than existing value
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I think you're right, @DrV. My explanation was meant to be about why it gives the correct result despite the original intent not actually seeking a maximum, not why it is faster as I cannot claim to understand the inner details of argmax.
– askewchan...