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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
...ou're actually updating the data yourself in another method in-between the select and the update), but it could be simply a race condition between two applications.
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How do I generate a random int number?
...SEED.This SEED is the beginning point, the trigger which instigates him to select the RANDOM value.
Now if a SEED is easy to guess then those kind of random numbers are termed as PSEUDO and when a seed is difficult to guess those random numbers are termed SECURED random numbers.
For example a perso...
Android Studio - Where can I see callstack while debugging an android app?
...
At the bottom panel you should have "5: Debug". Click on it and select "Debugger -> Threads"
You may need to find the "Threads" icon on the far right, or even click the "Restore Layout" button on the left to restore this window.
...
Mark current Line, and navigate through marked lines
...ft+f2"], "command": "clear_bookmarks" },
{ "keys": ["alt+f2"], "command": "select_all_bookmarks" },
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How will I know when to create an interface?
...oreach-type pattern", you can define complex behaviors (Count, Max, Where, Select, etc.) for any enumerable type.
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...人民共和国',N'中华人民共和国'),
(N'abc',N'abc');
SELECT C1,
C2,
LEN(C1) AS [LEN(C1)],
DATALENGTH(C1) AS [DATALENGTH(C1)],
LEN(C2) AS [LEN(C2)],
DATALENGTH(C2) AS [DATALENGTH(C2)]
FROM @T
Returns
Note that the 华 and ...
How to Copy Contents of One Canvas to Another Canvas Locally
... are building a website that uses lots of image/canvas operations.
// select canvas elements
var sourceCanvas = document.getElementById("some-unique-id");
var destCanvas = document.getElementsByClassName("some-class-selector")[0];
//copy canvas by DataUrl
var sourceImageData = ...
Adding Permissions in AndroidManifest.xml in Android Studio?
...s you get a list of permissions and also hint to move caret up and down to select the same.
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Rails Model, View, Controller, and Helper: what goes where?
...rols the view but not the logic. The Controller should concern itself with selecting the proper view and delegate more complex stuff to the domain model (Model) or the business layer.
Domain Driven Design has a concept of Services which is a place you stick logic which needs to orchestrate a number...
Does Python have a ternary conditional operator?
... This one emphasizes the primary intent of the ternary operator: value selection. It also shows that more than one ternary can be chained together into a single expression.
– Roy Tinker
Oct 4 '10 at 21:14
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