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What is difference between Collection.stream().forEach() and Collection.forEach()?
...is implementation specific, (full source code).
I run openjdk version 1.8.0_111 on a fast Linux machine.
I wrote a test that loops 10^6 times over a List using this code with varying sizes for integers (10^0 -> 10^5 entries).
The results are below, the fastest method varies depending on the amoun...
What's the difference between a catalog and a schema in a relational database?
...pper wrapper" object before the database itself.
I mean DB.schema.<what_ever_object_name_under_schema> .
2 Answers
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How do I make a Git commit in the past?
...
The advice you were given is flawed. Unconditionally setting GIT_AUTHOR_DATE in an --env-filter would rewrite the date of every commit. Also, it would be unusual to use git commit inside --index-filter.
You are dealing with multiple, independent problems here.
Specifying Dates Other Tha...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
... used.
Another place where auto can be used is when you use new1 or make_* functions , such as here:
//without auto. Not that good, looks cumbersome
SomeType<OtherType>::SomeOtherType * obj1 = new SomeType<OtherType>::SomeOtherType();
std::shared_ptr<XyzType> obj2 = std::make_s...
How can I deploy/push only a subdirectory of my git repo to Heroku?
...uction
also, every refresh of the engine wants to update your rails stack -_-
only solution I've found is to use the engine as a /vendor symlink in development, and actually copy the files for production
The solution
The app in question has 4 projects in git root:
api - depending on the profil...
What does an exclamation mark mean in the Swift language?
...://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/TheBasics.html#//apple_ref/doc/uid/TP40014097-CH5-XID_399
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What is the “FS”/“GS” register intended for?
...l post. Other than that, it's a good response.
– code_dredd
Dec 6 '15 at 8:16
5
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Java 8 Streams: multiple filters vs. complex condition
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8 CPU
1 GB RAM
OS version: 16.04.1 LTS (Xenial Xerus)
java version: 1.8.0_121
jvm: -XX:+UseG1GC -server -Xmx1024m -Xms1024m
UPDATE:
Java 11 has some progress on the performance, but the dynamics stay the same
Benchmark mode: Throughput, ops/time
...
STL or Qt containers?
...ngs, QString offers much more complete functionality compared to std::basic_string and it is
completely Unicode aware. It also offers an efficient COW implementation, which I've come to rely on heavily.
Qt's containers:
offer the same COW implementation as in QString, which is extremely useful w...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...ts/-JRHTHaIs-jNPLXOQivY/upvotes');
upvotesRef.transaction(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your ow...