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Only parameterless constructors and initializers are supported in LINQ to Entities
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Having just encountered this error myself, I thought I would add that if the Payment type is a struct, you would also encounter the same error because struct types do not support parameterless constructors.
In that event, converting Payment to a class and usi...
Difference between maven scope compile and provided for JAR packaging
...t mention about it. I use Maven for a while, but I've just already asked myself about it :) So it seems that in JAR packaging context, there isn't any difference between compile and provided (except dependency transition). Am I right?
– emstol
Jul 11 '11 at ...
Pickle incompatibility of numpy arrays between Python 2 and 3
...nd wasted an hour and still didn't find a solution though I was working on my own data to create a chatbot.
vec_x and vec_y are numpy arrays:
data=[vec_x,vec_y]
hkl.dump( data, 'new_data_file.hkl' )
Then you just read it and perform the operations:
data2 = hkl.load( 'new_data_file.hkl' )
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What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?
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I did some benchmarks to see what's the fastest way and these are my results and conclusions. I ran each method 10M times and added a comment with the average time per run.
If your input milliseconds are not limited to one day (your result may be 143:59:59.999), these are the options, from...
How to unzip files programmatically in Android?
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This is my unzip method, which I use:
private boolean unpackZip(String path, String zipname)
{
InputStream is;
ZipInputStream zis;
try
{
is = new FileInputStream(path + zipname);
zis = n...
How do I perform an insert and return inserted identity with Dapper?
...on is simply:
var id = connection.QuerySingle<int>( @"
INSERT INTO [MyTable] ([Stuff]) VALUES (@Stuff);
SELECT CAST(SCOPE_IDENTITY() as int)", new { Stuff = mystuff});
Note that on more recent versions of SQL Server you can use the OUTPUT clause:
var id = connection.QuerySingle<int>(...
Efficiently test if a port is open on Linux?
... @Shadoninja Good to know! If I could edit the flippant-ness out of my comment from 2014 I would.
– Abe Voelker
Apr 8 '16 at 13:38
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Android - Back button in the title bar
...For example, let's say the activity you are trying to go back to is called MyActivity. To go back to it, write the method as follows:
public boolean onOptionsItemSelected(MenuItem item){
Intent myIntent = new Intent(getApplicationContext(), MyActivity.class);
startActivityForResult(myIntent...
Get the time difference between two datetimes
...l off the decimals. Otherwise it would have the same problem you caught in my answer. :)
– Matt Johnson-Pint
Sep 4 '13 at 22:12
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Add new item in existing array in c#.net
...this answer has no array at all, instead it creates a new List<>. In my application, I can't change the type to List<>, therefore I have to resize an array (making a copy...). The answer by Ali Ersöz helped me.
– user11909
Feb 15 '19 at 9:14
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