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Sort hash by key, return hash in Ruby
... to accomplish this you can run the #to_h method on the array of tuples to convert them to a k=>v structure (hash).
hsh ={"a" => 1000, "b" => 10, "c" => 200000}
Hash[hsh.sort_by{|k,v| v}] #or hsh.sort_by{|k,v| v}.to_h
There is a similar question in "How to sort a Ruby Hash by number v...
How to iterate over a JSONObject?
...
for my case i found iterating the names() works well
for(int i = 0; i<jobject.names().length(); i++){
Log.v(TAG, "key = " + jobject.names().getString(i) + " value = " + jobject.get(jobject.names().getString(i)));
}
...
What's the false operator in C# good for?
... return false;
}
This is obviously a side effect and not the way it's intended to be used, but it is useful.
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“unmappable character for encoding” warning in Java
... as EUC-JP and UTF-8.. If -encoding is not specified, the platform default converter is used. (DOC)
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How to get the changes on a branch in Git
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'git cherry' outputs a list of commit IDs. Can I convert these into a single diff combining all the changes in every commit?
– Jonathan Hartley
Jul 20 '11 at 15:44
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How to compute the sum and average of elements in an array?
... iterate through the array, since your values are strings, they have to be converted to an integer first. And average is just the sum of values divided by the number of values.
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Iterate over a Javascript associative array in sorted order
...rol over the fact that the data is in a regular object, this utility would convert the regular object to your fully-functional dictionary:
a.importObject = function(object) {
for (var i in object) { this.set(i, object); }
};
This was a object definition (instead of a reusable constructor functi...
What does the LayoutInflater attachToRoot parameter mean?
...StateException because of this guy.
getSupportFragmentManager()
.beginTransaction()
.add(parent, childFragment)
.commit();
Since you have already added the child fragment in onCreateView() by mistake. Calling add will tell you that child view is already added to parent Hence Ill...
Add a column to existing table and uniquely number them on MS SQL Server
...ver, this could be achieved as follows:
alter table Example
add NewColumn int identity(1,1)
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How to get primary key column in Oracle?
..., cols.column_name, cols.position, cons.status, cons.owner
FROM all_constraints cons, all_cons_columns cols
WHERE cols.table_name = 'TABLE_NAME'
AND cons.constraint_type = 'P'
AND cons.constraint_name = cols.constraint_name
AND cons.owner = cols.owner
ORDER BY cols.table_name, cols.position;
Make ...