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Android Facebook integration with invalid key hash
In one of my apps I need to get data from Facebook... I am doing this:
25 Answers
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When should I use Lazy?
...revent user latency in high throughput, low latency systems. This is just one of the many reasons to not "always" use Lazy.
– Derrick
Sep 30 '14 at 12:34
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What is the C# version of VB.net's InputDialog?
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To sum it up:
There is none in C#.
You can use the dialog from Visual Basic by adding a reference to Microsoft.VisualBasic:
In Solution Explorer right-click on the References folder.
Select Add Reference...
In the .NET tab (in newer Visual Studi...
Test whether a list contains a specific value in Clojure
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Ah, contains?... supposedly one of the top five FAQs re: Clojure.
It does not check whether a collection contains a value; it checks whether an item could be retrieved with get or, in other words, whether a collection contains a key. This makes sense f...
what is the difference between 'transform' and 'fit_transform' in sklearn
...ou have already called its .fit method.
In [12]: pc2 = RandomizedPCA(n_components=3)
In [13]: pc2.transform(X) # can't transform because it does not know how to do it.
---------------------------------------------------------------------------
AttributeError Traceback (mo...
Generate a Hash from string in Javascript
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This is the same one used in Java. The hash << 5 - hash is the same as hash * 31 + char but a LOT faster. It's nice because it's so fast, and 31 is a small prime. Win win there.
– corsiKa
Sep 30 '1...
How to loop through files matching wildcard in batch file
... batch file (in Windows XP) which goes through all the filenames, for each one it should:
7 Answers
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Booleans, conditional operators and autoboxing
...rands are Boolean and boolean respectively, so this clause applies:
If one of the second and third operands is of type boolean and the type of the other is of type Boolean, then the type of the conditional expression is boolean.
Since the type of the expression is boolean, the 2nd operand must...
What is memory fragmentation?
...rd to choose an "answer" - lots of great answers here and I'd encourage anyone interested to read all of them. Still, I think you covered all the important points here.
– AshleysBrain
Sep 22 '10 at 16:54
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Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
...results, whatever the version of Python (both existing and, likely, future ones)?
6 Answers
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