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Get last element of Stream/List in a one-liner
...utions produce equivalent results, the collector functions must satisfy an identity and an associativity constraints."
Back to the original question: The following code stores a reference to the last element in the variable last and throws an exception if the stream is empty. The complexity is li...
What is the Objective-C equivalent for “toString()”, for use with NSLog?
Is there a method that I can override in my custom classes so that when
5 Answers
5
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grepping using the “|” alternative operator
... @Rizier123 -- look at the timestamps, both answered at nearly identical times with the same answer.
– xmnboy
Sep 7 '16 at 17:57
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Entity Framework .Remove() vs. .DeleteObject()
...is required (the FK doesn't allow NULL values) and the relationship is not identifying (which means that the foreign key is not part of the child's (composite) primary key) you have to either add the child to another parent or you have to explicitly delete the child (with DeleteObject then). If you ...
Rails how to run rake task
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please provide reference if you're going to say something like 'the "correct" way...'. my answer was a response to the original question.
– Luke W
Oct 24 '12 at 19:32
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How to use Bash to create a folder if it doesn't already exist?
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You need spaces inside the [ and ] brackets:
#!/bin/bash
if [ ! -d /home/mlzboy/b2c2/shared/db ]
then
mkdir -p /home/mlzboy/b2c2/shared/db
fi
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CFLAGS vs CPPFLAGS
... rule also uses the CPPFLAGS variable.
This difference gives you a good guide for which to use - if you want the flag to be used for all languages put it in CPPFLAGS, if it's for a specific language put it in CFLAGS, CXXFLAGS etc. Examples of the latter type include standard compliance or warning f...
How do I explicitly instantiate a template function?
...ialize or something) the function, do this:
template <typename T> void func(T param) {} // definition
template void func<int>(int param); // explicit instantiation.
[EDIT] There seems to be (a lot) of confusion regarding explicit instantiation and specialization.
The code I posted ab...
Which is the best library for XML parsing in java [closed]
... they are working on V2).. I have taken look at commons configuration but didn't like it, Other apache projects on XML seems under hibernation. I haven't evaluated dom4j by myself but just wanted to know - Does java has other (Good) open source xml parsing libraries? and how's your experience with d...
json_encode/json_decode - returns stdClass instead of Array in PHP
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This really doesn't answer the question, it just provides a workaround. But a lousy workaround, IMO. What if you want json-encoded objects to be decoded as objects and json-decoded associative arrays to be decoded as associative arrays, automatically? Using the second parameter...