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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...
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....
When to use nil, blank, empty? [duplicate]
Is there any guidelines on how to differentiate between .nil? , .blank? and .empty? ?
4 Answers
...
How do you merge two Git repositories?
...it filter-branch on the repo you want to include.
– Jifeng Zhang
Oct 8 '13 at 12:07
6
Or read Eri...
How to print VARCHAR(MAX) using Print Statement?
...
If you look at my code I am also using the @Pos variable to find the line break and print accordingly. So How could I use that in your code.
– peter
Oct 21 '11 at 14:11
...
Bash/sh - difference between && and ;
... one command in a line, but some people prefer && . Is there any difference? For example, cd ~; cd - and cd ~ && cd - seems to make the same thing. What version is more portable, e.g. will be supported by a bash-subset like Android's shell or so?
...
HashSet vs. List performance
...l only ever have on average 5 items in it. Over a large number of cycles, if a single item is added or removed each cycle, you may well be better off using a List<T>.
I did a test for this on my machine, and, well, it has to be very very small to get an advantage from List<T>. For a li...