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Sort hash by key, return hash in Ruby
...ere is no concept of a sorted hash. So no, what you're doing isn't right.
If you want it sorted for display, return a string:
"{" + h.sort.map{|k,v| "#{k.inspect}=>#{v.inspect}"}.join(", ") + "}"
or, if you want the keys in order:
h.keys.sort
or, if you want to access the elements in order...
How to delete a character from a string using Python
...te a new string. You have a few options of how to create the new string. If you want to remove the 'M' wherever it appears:
newstr = oldstr.replace("M", "")
If you want to remove the central character:
midlen = len(oldstr)/2 # //2 in python 3
newstr = oldstr[:midlen] + oldstr[midlen+1:]
Yo...
PostgreSQL naming conventions
..., etc, the prevalent convention is:
SQL keywords: UPPER CASE
names (identifiers): lower_case_with_underscores
For example:
UPDATE my_table SET name = 5;
This is not written in stone, but the bit about identifiers in lower case is highly recommended, IMO. Postgresql treats identifiers case ins...
How do I clone a generic list in C#?
...
@MichaelGG, what if you don't want to Convert but just Clone/Duplicate the items in the list? Would this work? || var clonedList = ListOfStrings.ConvertAll(p => p);
– IbrarMumtaz
Aug 17 '14 at 15:42
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Iterating Through a Dictionary in Swift
...confused on the answer that Xcode is giving me to this experiment in the Swift Programming Language Guide:
7 Answers
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get dictionary key by value
...e this:
var myKey = types.FirstOrDefault(x => x.Value == "one").Key;
If values are unique and are inserted less frequently than read, then create an inverse dictionary where values are keys and keys are values.
share
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How to detect if my shell script is running through a pipe?
How do I detect from within a shell script if its standard output is being sent to a terminal or if it's piped to another process?
...
Singleton by Jon Skeet clarification
...at the post about beforeinitfield and type initialization tell you is that if you have no static constructor, the runtime can initialize it at any time (but before you use it). If you do have a static constructor, your code in the static constructor might initialize the fields, which means that the ...
How do I run a rake task from Capistrano?
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With 'bundle exec' if available
– Bogdan Gusiev
Mar 18 '11 at 14:20
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XmlSerializer giving FileNotFoundException at constructor
...mal behaviour. An exception is thrown but handled by the XmlSerializer, so if you just ignore it everything should continue on fine.
I have found this very annoying, and there have been many complaints about this if you search around a bit, but from what I've read Microsoft don't plan on doing anyt...