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How does the new automatic reference counting mechanism work?
...it new" question, Delphi has had automatic reference counting for strings, arrays and interfaces (for COM support) for well over a decade. I agree that it really is a nice compromise between a gc'd environment and a "do it all manually" environment. I'm glad it's in ObjC and LLVM (so other languages...
Extract elements of list at odd positions
... notice what you have changed. Indeed, there is a link, but it leads to Numarray project, not to Python's list slicing. It differs a little, especially because the list's slice does not keep reference to the original list (in Numarray you need to explicitly call .copy() to have something not referen...
reStructuredText tool support
...re many other features, including support for blogging, as well as a large array of plugins. It's reStructuredText plugin, however is somewhat limited and is not recommended as its' main markup language at this time.
Web Services
Sandbox
An Online reStructuredText editor can be used to play with ...
What is a Proxy in Doctrine 2?
...E u.id = :id
you won't get a (proxied) entity object, but an associative array. So it's not possible to lazy load any additional properties.
With this in mind, one comes to the conclusion that the use case example won't work either.
The DQL would have to be changed to something like this in order...
Java 7 language features with Android
...Code())
BitSet: .previousSetBit(), .previousClearBit(), .valueOf(), .toLongArray(), .toByteArray()
Collections: .emptyEnumeration(), .emptyIterator(), .emptyListIterator()
AutoCloseable
Throwable: .addSuppressed(), .getSuppressed(), and the 4-argument constructor
Character: .compare(), .isSurrogate(...
Why java.lang.Object is not abstract? [duplicate]
...testing collection classes. Sometimes it's easiest to fill a collection or array with dummy objects rather than nulls.
As the base instance for anonymous classes. For example:
Object o = new Object() {...code here...}
shar...
How to make rounded percentages add up to 100%
... @Cruclax it shows all 1 when all entries are zero in the input array
– tony.0919
Nov 3 '16 at 7:55
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show 3 more comments
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What is the difference between JavaConverters and JavaConversions in Scala?
...ds from JavaConversions directly; e.g.:
List<String> javaList = new ArrayList<String>(Arrays.asList("a", "b", "c"));
System.out.println(javaList); // [a, b, c]
Buffer<String> scalaBuffer = JavaConversions.asScalaBuffer(javaList);
System.out.println(scalaBuffer); // Buffer(a, b, c)...
pandas: How do I split text in a column into multiple rows?
... this alternative:
time python -c "import pandas as pd;
from scipy import array, concatenate;
df = pd.DataFrame(['a b c']*100000, columns=['col']);
print pd.DataFrame(concatenate(df['col'].apply( lambda x : [x.split(' ')]))).head()"
... and this:
time python -c "import pandas as pd;
df = pd.Data...
Why does this assert throw a format exception when comparing structures?
...=vs.100%29.aspx , specifically parameters Type: System.Object[] An array of parameters to use when formatting message.
– Kyle
Feb 19 '13 at 19:24
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