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How do I import the javax.servlet API in my Eclipse project?
...In case you already had Eclipse IDE for Java (without Enterprise), and manually installed some related plugins, then chances are that it wasn't done properly. You'd best trash it and grab the real Eclipse IDE for Enterprise Java one.
You also need to ensure that you already have a servletcontainer i...
Autoincrement VersionCode with gradle extra properties
...se build", that should be possible, though I don't know the details. Personally, since there are ~2 billion version codes available, I'm assuming I won't run out. :-)
– CommonsWare
Feb 27 '14 at 20:47
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How can I select rows with most recent timestamp for each key value?
...aster than other answers, at least in my case.
– rain_
Sep 6 '17 at 7:51
@rain_ It really depends on the use case. The...
Cannot create an array of LinkedLists in Java…?
...nto it. ArrayList will index faster, but Fredrik's solution is better overall.
– Steve Zobell
Mar 9 '17 at 20:08
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In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]
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for some reason I'm getting false when I call "2014-03-25T17:55:00".contains("T")
– Jeremy List
Mar 25 '14 at 8:45
3
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Why should I declare a virtual destructor for an abstract class in C++?
...structor when deleting a pointer to a base class.
– j_random_hacker
Feb 10 '09 at 10:10
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What's the difference between Perl's backticks, system, and exec?
...It never returns true, because if the command is found it never returns at all.
There is also no point in returning STDOUT, STDERR or exit status of the command.
You can find documentation about it in perlfunc,
because it is a function.
system
executes a command and your Perl script is con...
Example for sync.WaitGroup correct?
... wg.Wait()
fmt.Println("Done")
}
However, it is rather pointless to call wg.Add over and over again when you already know how many times it will be called.
Waitgroups panic if the counter falls below zero. The counter starts at zero, each Done() is a -1 and each Add() depends on the paramet...
How to stage only part of a new file with git?
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Whoa, all that update-index and hash-object business seems overly complicated. How about this instead:
git add -N new_file
git add -i
From git help add:
-N, --intent-to-add
Record only the fact that the path will be added ...
Cannot install packages using node package manager in Ubuntu
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TL;DR:
sudo apt-get install nodejs-legacy
First of all let me clarify the situation a bit. In summer 2012 Debian maintainers decided to rename Node.js executable to prevent some kind of namespace collision with another package. It was very hard ...