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Can a decorator of an instance method access the class?
I have something roughly like the following. Basically I need to access the class of an instance method from a decorator used upon the instance method in its definition.
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Overwriting my local branch with remote branch [duplicate]
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I did this with one slight change and it didn't work: git fetch --all, git reset --hard SHA1OFANOLDCOMMIT, (some other stuff), git reset --hard origin/branch. The end result was that I was still at the old commit. So, this appro...
How do I add a delay in a JavaScript loop?
...op() { // create a loop function
setTimeout(function() { // call a 3s setTimeout when the loop is called
console.log('hello'); // your code here
i++; // increment the counter
if (i < 10) { // if the counter < 10, call the loop fun...
matplotlib does not show my drawings although I call pyplot.show()
Help required on matplotlib. Yes, I did not forget calling the pyplot.show().
14 Answers
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How to reset a single table in rails?
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In case anyone tried this and got an error, I did ActiveRecord::Base.connection.execute("DELETE from 'yourtablename'") and it worked because it would give me an error that said sqlite_sequence where name = 'yourtablename' is not a valid table name or something like that.
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Rails: select unique values from a column
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I did a: group(:rating).collect { |r| r.rating } Since map == collect, where can I read about this sintax you used (&:rating)? I don't see this in Ruby's documentation.
– alexandrecosta
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Simplest/Cleanest way to implement singleton in JavaScript?
...e
},
publicMethod2: function () {
}
};
})();
This has been called the module pattern, it basically allows you to encapsulate private members on an object, by taking advantage of the use of closures.
UPDATE: I would like to add that if you want to prevent the modification of the sing...
Group by month and year in MySQL
...ld contribute to more pressing questions too. You can find tips on to provide good answers here.
– Mifeet
Apr 14 '14 at 13:18
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How to center a Window in Java?
...s @kleopatra said on another answer, setLocationRelativeTo(null) has to be called after pack() in order to work.
– Eusebius
Apr 19 '14 at 5:18
6
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How to create a memory leak in Java?
...MemorableClass {
static final ArrayList list = new ArrayList(100);
}
Calling String.intern() on lengthy String
String str=readString(); // read lengthy string any source db,textbox/jsp etc..
// This will place the string in memory pool from which you can't remove
str.intern();
(Unclosed) op...