大约有 40,000 项符合查询结果（耗时：0.0475秒） [XML]
LINQ to Entities case sensitive comparison
...om c In db.Users Where c.Username = UserName AndAlso c.Password = Password Select c).SingleOrDefault()
If oUser IsNot Nothing Then
If oUser.Password = Password Then
bLogin = True
End If
End If
Basically, first checking if there is a user with required criteria, ...
What is the difference between pluck and collect in Rails?
...ds with Rails 4, still use pluck
if you need some fields with Rails 3, use selectand collect
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How do you query for “is not null” in Mongo?
..., the query returns only the documents that do not contain the field.
$ne selects the documents where the value of the field is not equal to the specified value. This includes documents that do not contain the field.
So in your provided case following query going to return all the documents with i...
How can I convince IE to simply display application/json rather than offer to download it?
... Notepad.
To do this, create or find a .json file, right mouse click, and select "Open With" or "Choose Default Program."
This might come in handy if you by chance want to use Internet Explorer but your IT company wont let you edit your registry. Otherwise, I recommend the above answers.
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Using npm behind corporate proxy .pac
...hat I did is as follows:
Used Fiddler, with "Automatically Authenticate" selected
In fiddler custom rules, i added
if (m_AutoAuth) {oSession["X-AutoAuth"] = "domain\\username:password";}
Finally in npm i set the proxy to http://localhost:8888
This worked fine.
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How to output only captured groups with sed?
...only alternative solution is to use a character class: '[[:digit:]]`.
The selected answer use such "character classes" to build a solution:
$ str='This is a sample 123 text and some 987 numbers'
$ echo "$str" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p'...
iOS UIImagePickerController result image orientation after upload
I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController :
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Rails: how do I validate that something is a boolean?
...age: validates :field, inclusion: { in: [ true, false ], message: "Please, select one!" }
– tagaism
Mar 23 '18 at 9:28
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Using an ORM or plain SQL? [closed]
...ent store, when a ORM tool frees you from writing boilerplate SQL queries (selects by PK or by predicates, inserts, updates and deletes) and lets you concentrate on the problem domain.
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impro...
Is a LINQ statement faster than a 'foreach' loop?
...ter than a flat foreach, but most likely you wouldn't have done a blanket "select * from foo" anyway, so that isn't necessarily a fair comparison.
Re PLINQ; parallelism may reduce the elapsed time, but the total CPU time will usually increase a little due to the overheads of thread management etc.
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