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Comparing two collections for equality irrespective of the order of items in them
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It turns out Microsoft already has this covered in its testing framework: CollectionAssert.AreEquivalent
Remarks
Two collections are equivalent if they
have the same elements in the same
quantity, but in any ord...
Static way to get 'Context' in Android?
...on android:name="com.xyz.MyApplication">
</application>
Then write the class:
public class MyApplication extends Application {
private static Context context;
public void onCreate() {
super.onCreate();
MyApplication.context = getApplicationContext();
}
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Does the order of LINQ functions matter?
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It will depend on the LINQ provider in use. For LINQ to Objects, that could certainly make a huge difference. Assume we've actually got:
var query = myCollection.OrderBy(item => item.CreatedDate)
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Counting DISTINCT over multiple columns
...mprove performance, you could try creating a persisted computed column on either a hash or concatenated value of the two columns.
Once it is persisted, provided the column is deterministic and you are using "sane" database settings, it can be indexed and / or statistics can be created on it.
I b...
How to restore the permissions of files and directories within git if they have been modified?
I have a git checkout. All the file permissions are different than what git thinks they should be therefore they all show up as modified.
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How to convert an NSString into an NSNumber
How can I convert a NSString containing a number of any primitive data type (e.g. int , float , char , unsigned int , etc.)? The problem is, I don't know which number type the string will contain at runtime.
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Formatting Numbers by padding with leading zeros in SQL Server
...yeeId)) + EmployeeId
If the column is an INT, you can use RTRIM to implicitly convert it to a VARCHAR
SELECT REPLICATE('0',6-LEN(RTRIM(EmployeeId))) + RTRIM(EmployeeId)
And the code to remove these 0s and get back the 'real' number:
SELECT RIGHT(EmployeeId,(LEN(EmployeeId) - PATINDEX('%[^0]%'...
How to set a JavaScript breakpoint from code in Chrome?
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You can use debugger; within your code. If the developer console is open, execution will break. It works in firebug as well.
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How can I format a number into a string with leading zeros?
... i.ToString("D2");
D stands for "decimal number", 2 for the number of digits to print.
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Android Get Current timestamp?
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@kjdion84 excuse me, but why do you think it would be important ? Just based on the question.
– Cԃաԃ
Aug 2 '19 at 5:55
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