大约有 43,000 项符合查询结果（耗时：0.0246秒） [XML]
Entity Framework Code First - two Foreign Keys from same table
... just want to suggest using InverseProperty for someone who still need. At least you don't need to change anything in OnModelCreating.
The below code is un-tested.
public class Team
{
[Key]
public int TeamId { get; set;}
public string Name { get; set; }
[InverseProperty("HomeTeam...
Bulk package updates using Conda
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At the very least, probably would have made more sense as a comment than as an answer.
– Chill2Macht
Jan 27 '18 at 17:12
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How to check if a string starts with a specified string? [duplicate]
... I think it's unfair to discuss "Performance wise" when this is the least performant method
– jaggedsoft
Dec 11 '16 at 19:06
1
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How do you downgrade rubygems?
...'t know why actually (if anyone has details on that I'd be curious) but at least it works now.
– Brian Armstrong
Feb 23 '11 at 8:32
1
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avoid page break inside row of table
...
I've found a new way to solve this problem, at least for me (Chrome Version 63.0.3239.84 (Official Build) (64-bit) on MacOS Sierra)
Add a CSS rule to the parent table:
table{
border-collapse:collapse;
}
and for the td:
tr td{
page-break-inside: avoid;
whi...
Store pictures as files or in the database for a web app?
...logy, I suggest you store images in SQL Server 2008 FILESTREAM columns (at least that's what I am going to do with my next project), since they combine the advantage of storing data in database AND having large binaries in separate files (at least according to advertising ;) )
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How to create streams from string in Node.Js?
....log(chunk) // will be called once with `"input string"`
})
Note that at least between 10.17 and 12.3, a string is itself a iterable, so Readable.from("input string") will work, but emit one event per character. Readable.from(["input string"]) will emit one event per item in the array (in this cas...
How do I install an old version of Django on virtualenv?
...
this no longer works. at least not for easy_install - it leads to djangoproject.com/m/bad-installer.txt (and pip seems to be broken for python2.4 which is what i am using in virtualenv). yeah, it would be better if people used new versions, but some...
Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
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There are at least 6 (!) ways to clone an array:
loop
slice
Array.from()
concat
spread operator (FASTEST)
map A.map(function(e){return e;});
There has been a huuuge BENCHMARKS thread, providing following information:
for blink browsers...
Are nested HTML comments possible?
... how many comments are represented by the above tag pollution, but it's at least 10.
I got less lazy: This so-called "comment" actually consists of 10 comments,
three words outside any comment (i.e., just bad SGML), and the
beginning of a comment that is not terminated. It's a real mess:
&l...