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C#: How to convert a list of objects to a list of a single property of that object?
...> firstNames = people.Select(person => person.FirstName).ToList();
And with sorting
List<string> orderedNames = people.Select(person => person.FirstName).OrderBy(name => name).ToList();
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Installing Google Protocol Buffers on mac
...sion of Google Protocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal.
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How to download an entire directory and subdirectories using wget?
...ect using wget , as the SVN server for that project isn't running anymore and I am only able to access the files through a browser. The base URLs for all the files is the same like
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Really killing a process in Windows
Occasionally a program on a Windows machine goes crazy and just hangs. So I'll call up the task manager and hit the "End Process" button for it. However, this doesn't always work; if I try it enough times then it'll usually die eventually, but I'd really like to be able to just kill it immediately...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...rs please give us a good description of what RAII is, why it is important, and whether or not it might have any relevance to other languages?
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WAMP shows error 'MSVCR100.dll' is missing when install
...s part of the Microsoft Visual C++, redistributables. You can install them and see if this solves your problem. After you install the above check if your wamp installation is correctly setup. Search for "my wamp icon stays orange" posts.
UPDATE 2019
Wampserver 3 requires Visual C++ Redistributa...
How can I change the default Django date template format?
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Link to docs isn't really an answer, so downvoted this and upvoted medmunds' answer.
– eric
Aug 21 '17 at 1:57
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How to store arrays in MySQL?
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The proper way to do this is to use multiple tables and JOIN them in your queries.
For example:
CREATE TABLE person (
`id` INT NOT NULL PRIMARY KEY,
`name` VARCHAR(50)
);
CREATE TABLE fruits (
`fruit_name` VARCHAR(20) NOT NULL PRIMARY KEY,
`color` VARCHAR(20),
`price` INT
)...
How do I unlock a SQLite database?
...//www.nirsoft.net/utils/opened_files_view.html to find out the process is handling db file. Try closed that program for unlock database
In Linux and macOS you can do something similar, for example, if your locked file is development.db:
$ fuser development.db
This command will show what proce...
Postgresql: password authentication failed for user “postgres”
I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times withou...