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Merge and interleave two arrays in Ruby
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@Leo, @chuck: if you read the example you will see that Chris wants to interleave the elements, not concatenate them. Essentially, he wants [a, s].transpose except that the two rows don't conform, leaving #zip as the obvious solution. And I don't...
Why does my Spring Boot App always shutdown immediately after starting?
...pring-boot:run --debug
and look for messages like -
[WARNING] error reading
/Users/sparrowmac1/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.5.20/tomcat-embed-core-8.5.20.jar;
invalid LOC header (bad signature) [WARNING] error reading
/Users/sparrowmac1/.m2/repository/com/f...
What are the pros and cons of performing calculations in sql vs. in your application
...; the server could be streaming rows which you consume as they arrive - a "reader" metaphor is not uncommon.
– Marc Gravell♦
Sep 22 '11 at 23:03
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SVN Commit specific files
...ts printer on fire" printer-driver/*.c
You can also have the svn command read the list of files to commit from a file:
$ svn ci -m "Now works" --targets fix4711.txt
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How to get last items of a list in Python?
..., like a string) would look like this:
num_list[-9:]
When I see this, I read the part in the brackets as "9th from the end, to the end." (Actually, I abbreviate it mentally as "-9, on")
Explanation:
The full notation is
sequence[start:stop:step]
But the colon is what tells Python you're giv...
Extending an Object in Javascript
...ct-oriented than that?"
You don't need constructors, no new instantiation (read why you shouldn't use new), no super, no self-made __construct. You simply create Objects and then extend or morph them.
This pattern also offers immutability (partial or full), and getters/setters.
TypeScript
The TypeSc...
Lambda expression vs method reference [closed]
...vs an anonymous class"? And the answer is the same: when you find it more readable. There are certainly cases that are definitely one or definitely the other but there's a host of grey in the middle, and judgment must be used.
The theory behind method refs is simple: names matter. If a method ...
What's the difference between HEAD^ and HEAD~ in Git?
...-parse documentation is full of great information and is worth an in-depth read. See also Git Tools - Revision Selection from the book Pro Git.
Order of Parent Commits
The commit 89e4fcb0dd from git’s own history is a merge commit, as git show 89e4fcb0dd indicates with the Merge header line that d...
Does Python optimize tail recursion?
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@Basic No, but you have to read the article you're commenting on. It seems very strongly that you didn't actually read it, considering how it "boils down" to you. (You might actually need to read both of the linked articles, unfortunately, since some a...
How can I check if a string represents an int, without using try/except?
... 0x4df, is a valid integer in some places, and 0891 is not in others. I dread to think what might arise given unicode in these kinds of checks.
– PlexQ
Mar 25 '12 at 17:03
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