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Why should I prefer single 'await Task.WhenAll' over multiple awaits?
...t propagates all errors at once. With the multiple awaits, you lose errors if one of the earlier awaits throws.
Another important difference is that WhenAll will wait for all tasks to complete even in the presence of failures (faulted or canceled tasks). Awaiting manually in sequence would cause un...
Find unmerged Git branches?
...). You can also pull up the inverse with:
git branch --no-merged master
If you don't specify master, e.g...
git branch --merged
then it will show you branches which have been merged into the current HEAD (so if you're on master, it's equivalent to the first command; if you're on foo, it's equi...
Check for changes to an SQL Server table?
...an SQL Server database for changes to a table without using triggers or modifying the structure of the database in any way? My preferred programming environment is .NET and C#.
...
How to prevent custom views from losing state across screen orientation changes
...te) {
//begin boilerplate code so parent classes can restore state
if(!(state instanceof SavedState)) {
super.onRestoreInstanceState(state);
return;
}
SavedState ss = (SavedState)state;
super.onRestoreInstanceState(ss.getSuperState());
//end
this.stateToSave...
Are there strongly-typed collections in Objective-C?
...rics' to Objective-C. In Objective-C, they will generate compiler warnings if there is a type mismatch.
NSArray<NSString*>* arr = @[@"str"];
NSString* string = [arr objectAtIndex:0];
NSNumber* number = [arr objectAtIndex:0]; // Warning: Incompatible pointer types initializing 'NSNumber *' wi...
NHibernate ISession Flush: Where and when to use it, and why?
...ead wrap your calls on an ISession inside a using statement or manage the lifecycle of your ISession somewhere else.
From the documentation:
From time to time the ISession will execute the SQL statements needed to synchronize the ADO.NET connection's state with the state of objects held in memory....
How to return an array from JNI to Java?
...
If you've examined the documentation and still have questions that should be part of your initial question. In this case, the JNI function in the example creates a number of arrays. The outer array is comprised of an 'Objec...
Escaping HTML strings with jQuery
...
This isn't cross browser safe if your string has whitespaces and \n \r \t chars in it
– nivcaner
Dec 4 '10 at 17:31
20
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Multiple DB Contexts in the Same DB and Application in EF 6 and Code First Migrations
...Code First Migrations. I am using Areas in the app and would like to have different DbContexts in each area to break it up. I know EF 6 has ContextKey, but I can't find complete information on how to use it. Currently I can only use migrations one context at a time.
...
When to use nil, blank, empty? [duplicate]
Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
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