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What is the advantage to using bloom filters?
...ement
we decrease it by ten times.
Pretty clear to me.
A bloom filter doesn't store the elements themselves, this is the crucial point. You don't use a bloom filter to test if an element is present, you use it to test whether it's certainly not present, since it guarantees no false negatives. T...
How to change Hash values?
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my_hash.each { |k, v| my_hash[k] = v.upcase }
or, if you'd prefer to do it non-destructively, and return a new hash instead of modifying my_hash:
a_new_hash = my_hash.inject({}) { |h, (k, v)| h[k] = v.upcase; h }
This last version has the added benefit that you could transform the keys too...
Changing the current working directory in Java?
...ything I've been able to find about the issue claims that you simply can't do it, but I can't believe that that's really the case.
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Difference between 2 dates in SQLite
How do I get the difference in days between 2 dates in SQLite? I have already tried something like this:
12 Answers
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How do I navigate in the results of Diff
When I do a Git diff, it shows the code with the diff and it looks great. But how do I go to the next page or the next document.
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What is “thread local storage” in Python, and why do I need it?
In Python specifically, how do variables get shared between threads?
5 Answers
5
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SQL how to increase or decrease one for a int column in one command
...heck out, we need to update that Quantity column by one. Is there a way to do this in one action or we have to get the existing value and then add or minus one on top of it?
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How to Get the Title of a HTML Page Displayed in UIWebView?
...om an HTML page displayed in a UIWebView. What is the most robust means of doing so?
7 Answers
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How do I make a splash screen?
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Don't forget to add splash in Manifest
– AndroidGeek
Aug 5 '14 at 12:27
8
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Local file access with JavaScript
Is there local file manipulation that's been done with JavaScript? I'm looking for a solution that can be accomplished with no install footprint like requiring Adobe AIR .
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