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Parallel.ForEach vs Task.Factory.StartNew
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The first is a much better option.
Parallel.ForEach, internally, uses a Partitioner<T> to distribute your collection into work items. It will not do one task per item, but rather batch this to lower the overhead involved.
The second option will schedule a single Task pe...
What happens when a duplicate key is put into a HashMap?
...n key (or null if none present), so you can determine what was there and maintain a reference if necessary.
More information here: HashMap Doc
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Why am I not getting a java.util.ConcurrentModificationException in this example?
...ecific case, first off, i don't think final is a way to go considering you intend to modify the list past declaration
private static final List<Integer> integerList;
Also consider modifying a copy instead of the original list.
List<Integer> copy = new ArrayList<Integer>(integer...
Android LocationClient class is deprecated but used in documentation
...ority(LocationRequest.PRIORITY_HIGH_ACCURACY);
mLocationRequest.setInterval(1000); // Update location every second
LocationServices.FusedLocationApi.requestLocationUpdates(
mGoogleApiClient, mLocationRequest, this);
}
@Override
public void onConnectionSu...
How to force LINQ Sum() to return 0 while source collection is empty
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That's win for me:
int Total = 0;
Total = (int)Db.Logins.Where(L => L.id == item.MyId).Sum(L => (int?)L.NumberOfLogins ?? 0);
In my LOGIN table, in field NUMBEROFLOGINS some values are NULL and others have an INT number. I sum here tota...
How do you implement a private setter when using an interface?
I've created an interface with some properties.
2 Answers
2
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Mercurial move changes to a new branch
...et's say the changesets to move are revisions 1-3:
hg qimport -r 1:3 # convert revisions to patches
hg qpop -a # remove all them from history
hg branch new # start a new branch
hg qpush -a # push them all back into history
hg qfin -a # finalize the patches
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How to track down a “double free or corruption” error
...olerant version of malloc, which will cause your program to abort at the point where the double free is done.
You can set this from gdb by using the set environment MALLOC_CHECK_ 2 command before running your program; the program should abort, with the free() call visible in the backtrace.
see the...
What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...nge in the C# compiler that relies on the assumption that the JIT works as intended. I think the JIT bug existed in .NET 4.0, but was uncovered by the change in the compiler for .NET 4.5.
I do not think that beforefieldinit is the only issue here. I think it's simpler than that.
The type System....
How to compare type of an object in Python?
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def distance_from_zero(n): if isinstance(n,int) or isinstance(n,float): return abs(n) else: return "Nope" print distance_from_zero(True) This returns a "1" instead of "Nope". How to get around this ?
– dig_123
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