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Entity Framework select distinct name
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DBContext.TestAddresses.Select(m => m.NAME).Distinct();
if you have multiple column do like this:
DBContext.TestAddresses.Select(m => new {m.NAME, m.ID}).Distinct();
In this example no duplicate CategoryId and no CategoryName i hope this will help you
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Store query result in a variable using in PL/pgSQL
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What if I need multiple variables. Like select test_table.name, test_table.id, test_table.ssn?
– Dao Lam
Mar 5 '15 at 20:00
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Find the version of an installed npm package
...ist -g for globally installed packages.
You can find the version of a specific package by passing its name as an argument. For example, npm list grunt will result in:
projectName@projectVersion /path/to/project/folder
└── grunt@0.4.1
Alternatively, you can just run npm list without passing...
How to read data from a zip file without having to unzip the entire file
...p = ZipFile.Read(ExistingZipFile))
{
foreach (ZipEntry e in zip)
{
if (header)
{
System.Console.WriteLine("Zipfile: {0}", zip.Name);
if ((zip.Comment != null) && (zip.Comment != ""))
System.Console.WriteLine("Comment: {0}", zip.Comment);
System.Console....
ImportError: No Module Named bs4 (BeautifulSoup)
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Activate the virtualenv, and then install BeautifulSoup4:
$ pip install BeautifulSoup4
When you installed bs4 with easy_install, you installed it system-wide. So your system python can import it, but not your virtualenv python.
If you do not need bs4 to be installed in...
Batch files: How to read a file?
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This is a pretty complex example, parsing very specific information from a particularly formatted text file, without giving any explanation. As per for /? the command would parse each line in myfile.txt, ignoring lines that begin with a semicolon, passing the 2nd and 3rd toke...
Foreign Key to multiple tables
... This is also what we have in our software and I would avoid if you are trying to create a generic data access framework. This design will increase complexity in the app layer.
– Frank.Germain
May 12 '17 at 16:53
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Add icon to submit button in twitter bootstrap 2
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The only problem I have had with this approach is if there are other buttons in the form, then your form won't submit when pressing the enter key on the keyboard, as one of the other buttons will take precedence. Any known workarounds?
– Jeshurun
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?
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If you're saving an object in user defaults, all objects, recursively, all the way down, must be property list objects. Conforming to NSCoding doesn't mean anything here-- NSUserDefaults won't automatically encode them into ...
Why is JSHINT complaining that this is a strict violation?
...und this context, e.g. gotoPage.bind(myObj)(5) or gotoPage.call(myObj, 5). If so, you can ignore JSHint, as you will not generate any errors. But, it is telling you that your code is unclear to anyone reading it, because using this inside of something that is not obviously a method is quite confusin...