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Is “double hashing” a password less secure than just hashing it once?
... almost 8 months. To defeat a more sophisticated attacker—one capable of downloading a program that can tap the power of their GPU, for example—you need more iterations.
How much is enough?
The number of iterations to use is a trade-off between security and user experience. Specialized hardwar...
How can I initialise a static Map?
...ng> FLAVORS = new HashMap<String , String>() {{
put("Up", "Down");
put("Charm", "Strange");
put("Top", "Bottom");
}};
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pandas GroupBy columns with NaN (missing) values
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I don't want to write down Pandas just look for the tool that fits my requests the most.
– Gyula Sámuel Karli
Aug 26 '13 at 21:08
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Why should I care that Java doesn't have reified generics?
...
From the few times that I came across this "need", it ultimately boils down to this construct:
public class Foo<T> {
private T t;
public Foo() {
this.t = new T(); // Help?
}
}
This does work in C# assuming that T has a default constructor. You can even get the run...
How to list the files inside a JAR file?
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huh - interesting that this would have been down moded without comment... We use the above technique all the time and it works just fine.
– Kevin Day
Nov 10 '09 at 19:58
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How do I move the turtle in LOGO? [closed]
...t drawings from wrapping around screen
PENCOLOR [PC] - Change pen color
PENDOWN [PD] - Turtle leaves trail
PENUP [PU] - Turtle ceases to leave trail
RIGHT ## [RT] - Turn turtle right
SETHEADING [SETH] - Set turtle heading, e.g. SETH 180
SETSHAPE - Set the current sprite shape (0-7)
SETX Move the tur...
How can I determine if a .NET assembly was built for x86 or x64?
... Another caveat to look out for is forgetting to "unblock" the DLL if you downloaded it from the internets. Use unblock-file, or right click/properties/unblock from explorer. You will need to restart the shell for it to recognize the unblocked status if you've already failed once in the current ses...
Check for column name in a SqlDataReader object
... return false;
}
}
Edit
Ok, this post is starting to garner a few down-votes lately, and I can't delete it because it's the accepted answer, so I'm going to update it and (I hope) try to justify the use of exception handling as control flow.
The other way of achieving this, as posted by Ch...
How can I include a YAML file inside another?
...on asks "Is this possible at all? How?"...this is how. See no reason for a downvote.
– daveaspinall
Aug 19 '15 at 14:08
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Removing fields from struct or hiding them in JSON Response
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EDIT: I noticed a few downvotes and took another look at this Q&A. Most people seem to miss that the OP asked for fields to be dynamically selected based on the caller-provided list of fields. You can't do this with the statically-defined json...