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Constructors in Go
...ave a struct and I would like it to be initialised with some sensible default values.
11 Answers
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Using @property versus getters and setters
... @GregKrsak It seems strange because it is. The "consenting adults thing" was a python meme from before properties were added. It was the stock response to folks who'd complain about the lack of access modifiers. When properties were added, suddenly encapsulation become desirable. The sa...
Tool to read and display Java .class versions
...rough JDK library and found this useful constant:
com.sun.deploy.config.BuiltInProperties.CURRENT_VERSION.
I do not know since when it is in JAVA JDK.
Trying this piece of code for several version constants I get result below:
src:
System.out.println("JAVA DEV ver.: " + com.sun.deploy.confi...
Breaking up long strings on multiple lines in Ruby without stripping newlines
... 2.3: The squiggly heredoc.
class Subscription
def warning_message
<<~HEREDOC
Subscription expiring soon!
Your free trial will expire in #{days_until_expiration} days.
Please update your billing information.
HEREDOC
end
end
Blog post link: https://infinum.co/th...
When is the finalize() method called in Java?
...inalize() method on for the main class is invoked when an >>instance<< of the class is garbage collected, not when the main method terminates. And besides, the main class could be garbage collected before the application finishes; e.g. in a multi-threaded app where the "main" thread cre...
UITableview: How to Disable Selection for Some Rows but Not Others
...To enable being able to select (tap) the cell: (tapping the cell)
// Default style
cell.selectionStyle = UITableViewCellSelectionStyleBlue;
// Gray style
cell.selectionStyle = UITableViewCellSelectionStyleGray;
Note that a cell with selectionStyle = UITableViewCellSelectionStyleNone; will still ...
Scrolling down both parts of a split-window at the same time in Vim
...yourself doing this a lot, it might be useful to have something like nmap <F5> :windo set scrollbind!<cr> to toggle scrollbind in all open windows.
– jlund3
Dec 17 '13 at 21:52
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SearchView's OnCloseListener doesn't work
... What happens if you have always expanded using setIconofiedByDefault(false) ? It dosen't works... :(
– Joan Casadellà
Nov 9 '15 at 11:53
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How can I switch my git repository to a particular commit
...EAD to move to the specified commit, below is the command:
git checkout <commit_hash>
It detaches and point the HEAD to specified commit and saves from creating a new branch when the user just wants to view the branch state till that particular commit.
You then might want to go back to ...
From an array of objects, extract value of a property as array
...
Here is a shorter way of achieving it:
let result = objArray.map(a => a.foo);
OR
let result = objArray.map(({ foo }) => foo)
You can also check Array.prototype.map().
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