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How to determine the Boost version on a system?
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If you want to figure it out manually (rather than in-code), the go to the include directory, and open up version.hpp. BOOST_VERSION takes a bit of deciphering, but BOOST_LIB_VERSION is pretty clear. The value of mine is currently "1_42"
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What scalability problems have you encountered using a NoSQL data store? [closed]
...ve and map them to our Java object model, that's with everything correctly indexed etc.
Storing them as key/value pairs using a lightweight text representation: 1 table, 18,000 rows, 3 seconds to retrieve them all and reconstruct the Java objects.
In business terms: first option was not feasible. ...
How to set cursor position in EditText?
...ce the cursor before or after a character, the image below explains how to index works in this case:
So, if you want the cursor at the end of the text, just set it to yourEditText.length().
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How can I use pointers in Java?
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All objects in Java are references and you can use them like pointers.
abstract class Animal
{...
}
class Lion extends Animal
{...
}
class Tiger extends Animal
{
public Tiger() {...}
public void growl(){...}
}
Tiger fi...
Best way to assert for numpy.array equality?
..._equal is more reliable.
update
A few versions ago numpy obtained assert_allclose which is now my favorite since it allows us to specify both absolute and relative error and doesn't require decimal rounding as the closeness criterion.
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What are best practices for validating email addresses on iOS 2.0
... ; "]", or "\"
Yes, that means +, ', etc are all legit.
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What's wrong with foreign keys?
...twood's response "Atwood: ...based on the foreign keys that you set in the indexes, they figure it out ... Spolsky: [laughs] Assuming that you do that. Atwood: Well, assuming that you set your database up properly..."
– MemeDeveloper
Mar 22 '13 at 2:48
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How do I set the value property in AngularJS' ng-options?
...ibutes gets its value:
When using an array as datasource, it will be the index of the array element in each iteration;
When using an object as datasource, it will be the property name in each iteration.
So in your case it should be:
obj = { '1': '1st', '2': '2nd' };
<select ng-options="k as...
How can I delete all Git branches which have been merged?
...anches which have already been merged? Is there an easy way to delete them all instead of deleting them one by one?
45 Answ...
Constants in Objective-C
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Overall, great answer, with one glaring caveat: you DO NOT want to test for string equality with the == operator in Objective-C, since it tests memory address. Always use -isEqualToString: for this. You can easily get a different...