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How to calculate moving average using NumPy?
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Thanks for the bug checking, it now seems to be working fine. As for the upvotes, I am guessing the general idea behind the answer was weighed more heavily than an off-by-one error in the implementation, but who knows.
– Jaime
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How do I specify unique constraint for multiple columns in MySQL?
...mple:
PRODUCT_NAME, PRODUCT_VERSION
'glass', null
'glass', null
'wine', 1
Now if you try to insert ('wine' 1) again it will report a constraint violation
Hope this helps
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Sqlite primary key on multiple columns
...LE something (
column1, column2, value, PRIMARY KEY (column1, column2));
Now this works without any warning:
sqlite> insert into something (value) VALUES ('bla-bla');
sqlite> insert into something (value) VALUES ('bla-bla');
sqlite> select * from something;
NULL|NULL|bla-bla
NULL|NULL|bl...
Make browser window blink in task Bar
...to see if the user has any new messages on the server, I want the user to know it right away, even if he is using another application at the time.
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How to get HTTP response code for a URL in Java?
...about the exception raised by the getRespondeCode() method? By the way, I know how to handle my error, and I just want to know how to differentiate each exception (or at least this specific exception). Thanks.
– grattmandu03
Sep 19 '13 at 15:23
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HTML: How to limit file upload to be only images?
...le").value="; //clear the uploaded file
}
}
</script>
Now in the html part
<input type="file" onchange="chng()">
this code will check if the uploaded file is a jpg file or not and restricts the upload of other types
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Run a string as a command within a Bash script
...p -Eo '[[:digit:]]{4}[[:digit:]]{2}[[:digit:]]{2}')
echo $cmd
My output is now 20200824
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Why can't I reference System.ComponentModel.DataAnnotations?
...or 2010. I added this file and it seems to 'work', in that IntelliSense is now recognizing attributes on class members, such as [Display(Name = "My Property Name")]. Whether or not this works for everything else in this .dll I don't know.]
(1)
Microsoft Visual Studio Professional 2013
Version 12...
How do I manually create a file with a . (dot) prefix in Windows? For example, .htaccess
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I did not know that. So one can simple create the file by typing ".htaccess." in explorer, and the last dot will be removed automatically. Nice.
– foens
Mar 14 '13 at 9:18
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Delete a single record from Entity Framework?
...ng up the objects just to delete them, this way you can delete by ID. You know, that's how the DELETE statement works in SQL normally.
– siride
Jul 11 '16 at 18:18
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