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How does password salt help against a rainbow table attack?
...d the salt, so when running the dictionary attack, she can simply use the known salt when attempting to crack the password.
A public salt does two things: makes it more time-consuming to crack a large list of passwords, and makes it infeasible to use a rainbow table.
To understand the first one, i...
Django rest framework nested self-referential objects
...tionships is something that needs to be added.
Edit: Note that there is now a third-party package available that specifically deals with this kind of use-case. See djangorestframework-recursive.
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Visual Studio debugging “quick watch” tool and lambda expressions
...e function Example is run in the debugger it will stop at the Break line. Now imagine if the user typed the following into the watch window
(Func<int>)(() => v2);
In order to properly execute this the debugger (or more appropriate the EE) would need to create a closure for variable v2. ...
Querying DynamoDB by date
...ps on the range key only. The hash key is required such that the service knows which partition to look in to find the data.
You can of course perform a scan operation to filter by the date value, however this would require a full table scan, so it is not ideal.
If you need to perform an indexed l...
Format XML string to print friendly XML string
...Check the following link: How to pretty-print XML (Unfortunately, the link now returns 404 :()
The method in the link takes an XML string as an argument and returns a well-formed (indented) XML string.
I just copied the sample code from the link to make this answer more comprehensive and convenie...
Passing parameters to a Bash function
...; in bash, it does not). As such, its use decreases clarity to anyone who knows, and might expect, the ksh behavior. See wiki.bash-hackers.org/scripting/obsolete
– Charles Duffy
Feb 28 '18 at 21:31
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How to automatically generate N “distinct” colors?
...dividing the RGB cube into a lattice and then drawing points. Does anyone know any other methods? I'm ruling out defining a list and then just cycling through it. I should also say I don't generally care if they clash or don't look nice, they just have to be visually distinct.
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...
So, basically, you want your code to run faster. JNI is the answer. I know you said it didn't work for you, but let me show you that you are wrong.
Here's Dot.java:
import java.nio.FloatBuffer;
import org.bytedeco.javacpp.*;
import org.bytedeco.javacpp.annotation.*;
@Platform(include = "Dot.h...
How to detect if a function is called as constructor?
...
NOTE: This is now possible in ES2015 and later. See Daniel Weiner's answer.
I don't think what you want is possible [prior to ES2015]. There simply isn't enough information available within the function to make a reliable inference.
Look...
Android Location Providers - GPS or Network Provider?
...com/a/3145655/28557
-----------------------Update-----------------------
Now Android have Fused location provider
The Fused Location Provider intelligently manages the underlying location technology and gives you the best location according to your needs. It simplifies ways for apps to get the us...