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Mercurial move changes to a new branch
...n is one solution for you problem. IMHO a simpler workflow is to use the rebase extension. Suppose you have a history like this:
@ changeset: 2:81b92083cb1d
| tag: tip
| summary: my new feature: edit file a
|
o changeset: 1:8bdc4508ac7b
| summary: my new feature: add file b...
Rails nested form with has_many :through, how to edit attributes of join model?
...ent for has_one and has_many associations.
class User < ActiveRecord::Base
has_one :profile
has_many :messages
end
The build syntax for has_many association:
user.messages.build
The build syntax for has_one association:
user.build_profile # this will work
user.profile.build # this ...
Filtering collections in C#
...using three different methods that I put together to show Lambdas and LINQ based list filtering.
#region List Filtering
static void Main(string[] args)
{
ListFiltering();
Console.ReadLine();
}
private static void ListFiltering()
{
var PersonList = new List<Person>();
Person...
Best way to specify whitespace in a String.Split operation
I am splitting a string based on whitespace as follows:
11 Answers
11
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Install go with brew, and running the gotour
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https://golang.org/doc/code.html#GOPATH
You may wish to add the GOROOT-based install location to your PATH:
export PATH=$PATH:/usr/local/opt/go/libexec/bin
==> Summary
???? /usr/local/Cellar/go/1.7.1: 6,436 files, 250.6M
$ go get golang.org/x/tools/cmd/godoc
$ go get github.com/golang/li...
How can I measure the actual memory usage of an application or process?
...zing these files is massif-visualizer. But I found ms_print, a simple text-based tool shipped with Valgrind, to be of great help already.
To find memory leaks, use the (default) memcheck tool of valgrind.
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How to create a self-signed certificate with OpenSSL
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Remember to use -sha256 to generate SHA-256-based certificate.
– Gea-Suan Lin
Jan 25 '16 at 6:13
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show 20 mo...
Check if a class is derived from a generic class
...ric == cur) {
return true;
}
toCheck = toCheck.BaseType;
}
return false;
}
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SQL update query using joins
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Did not use your sql above but here is an example of updating a table based on a join statement.
UPDATE p
SET p.category = c.category
FROM products p
INNER JOIN prodductcatagories pg
ON p.productid = pg.productid
INNER JOIN categories c
ON pg.catego...
How can I list the contents of a directory in Python?
...print("{} is biiiig".format(dentry.name))
(read an extensive performance-based answer of mine here)
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