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How can I use a C++ library from node.js?
...that returns something like a JavaScript array and have swig automatically convert it for you.
– George
Mar 26 '16 at 3:12
5
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How to concatenate items in a list to a single string?
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A more generic way to convert python lists to strings would be:
>>> my_lst = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
>>> my_lst_str = ''.join(map(str, my_lst))
>>> print(my_lst_str)
'12345678910'
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How to round a number to significant figures in Python
...of significant figures. It will sometimes use 'e' scientific notation, so convert the rounded string back to a float then through %s string formatting.
>>> '%s' % float('%.1g' % 1234)
'1000'
>>> '%s' % float('%.1g' % 0.12)
'0.1'
>>> '%s' % float('%.1g' % 0.012)
'0.01'
&g...
What to use instead of “addPreferencesFromResource” in a PreferenceActivity?
...wer above, after reading an example from Android-er I found you can easily convert your preference activity into a preference fragment. If you have the following activity:
public class MyPreferenceActivity extends PreferenceActivity
{
@Override
protected void onCreate(final Bundle savedInst...
ToList()— does it create a new list?
...ion operations. Extension methods like ToList() and ToArray() allow you to convert the computed sequence into a standard collection.
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Integrating the ZXing library directly into my Android application
...l. But can u also provide the code, where the reverse can be done. I mean, convert the QR code back to the String?
– Shaon Hasan
May 15 '14 at 15:31
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Calculating distance between two points, using latitude longitude?
...n2(Math.sqrt(a), Math.sqrt(1 - a));
double distance = R * c * 1000; // convert to meters
double height = el1 - el2;
distance = Math.pow(distance, 2) + Math.pow(height, 2);
return Math.sqrt(distance);
}
sh...
How do I use the CONCAT function in SQL Server 2008 R2?
...rver, SELECT 'varchar(' + 5 + ')' throws the error "Conversion failed when converting the nvarchar value 'varchar(' to data type int", so I guess your answer doesn't hold.
– Alexander
Apr 6 '16 at 9:13
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How to model type-safe enum types?
...nother class that is basically a wrapper around a string and can be freely converted in both directions (as is the case for Symbol). I guess that's what you meant when saying "It won't give you any type safety", it just wasn't very clear given that OP explicitly asked for type safe solutions. I wasn...
Hashset vs Treeset
...of elements
It is generally faster to add elements to the HashSet and then convert the collection to a TreeSet for a duplicate-free sorted traversal.
None of these implementations are synchronized. That is if multiple threads access a set concurrently, and at least one of the threads modifies the se...