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Using comparison operators in Scala's pattern matching system
... risk", and qualified my answer as a "non-answer". It's interesting to consider why compare() and compareTo() don't specify 0, 1, and -1 as their codomain.
– seh
Feb 12 '10 at 15:53
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How to match any non white space character except a particular one?
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Outside of a character class, it's "beginning of the string" (or line, depending on the current matching mode). Inside a character class, and only if it's the first character after the opening bracket, it negates the contents of ...
What does “rc” mean in dot files
...e files. If you see rc in file name this could be version i.e. Release Candidate.
Edit: No, I take it back officially... "run commands"
[Unix: from runcom files on the CTSS system 1962-63, via the startup script /etc/rc]
Script file containing startup instructions for an application program (or an ...
Why can't I call read() twice on an open file?
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+1, Yes, please read to temporary variable to avoid unnecessary file I/O. It's a false economy that you're saving any memory because you have fewer (explicit) variables.
– Nick T
Oct 11 '10 at 13:45
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make arrayList.toArray() return more specific types
...te int i;
public Custom(int i) {
this.i = i;
}
@Override
public String toString() {
return String.valueOf(i);
}
}
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Difference between validate(), revalidate() and invalidate() in Swing GUI
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invalidate() marks the container as invalid. Means the content is somehow wrong and must be re-laid out. But it's just a kind of mark/flag. It's possible that multiple invalid containers must be refreshed later.
validate() perfor...
Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...mark the field as transient
if you need its data and it's third party, consider other means of serialization, like JSON, XML, BSON, MessagePack, etc. where you can get 3rd party objects serialized without modifying their definitions.
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How to change owner of PostgreSql database?
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Note, all tables and sequences inside the database will still be assigned to the original owner.
– Cerin
Nov 2 '16 at 0:52
2
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How to find an element by matching exact text of the element in Capybara
...rue instead of exact_text will show you a msg that exact option is only valid for XPATH.
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How do I merge a git tag onto a branch
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@learner a Tag identifies a specific commit. You can't merge into a specific commit so you'd need to move the tag to the commit you want. This would address the how on that: stackoverflow.com/questions/8044583/…
– Jo...