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Approximate cost to access various caches and main memory?
...(in nanoseconds) to access L1, L2 and L3 caches, as well as main memory on Intel i7 processors?
5 Answers
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How to move a model between two Django apps (Django 1.7)
...eld. Then run python manage.py makemigrations
After doing Ozan's steps, re-convert your foreign keys: put back ForeignKey(TheModel)instead of IntegerField(). Then make the migrations again (python manage.py makemigrations). You can then migrate and it should work (python manage.py migrate)
Hope it...
Selecting a row in DataGridView programmatically
...ataGridView.Rows
.OfType<DataGridViewRow>()
.Where(x => (int)x.Cells["Id"].Value == pId)
.ToArray<DataGridViewRow>()[0]
.Selected = true;
share
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improve this answ...
Which kind of pointer do I use when?
...available, and boost::shared_ptr was all the rage. I never really looked into the other smart pointer types boost provided. I understand that C++11 now provides some of the types boost came up with, but not all of them.
...
What is the default height of UITableViewCell?
...
Technically, it's 44 points. It'll come out to 88px on a Retina display. Not to split hairs or anything.
– Ben Mosher
Jun 1 '11 at 15:37
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How to use Elasticsearch with MongoDB?
...= 1; i <= 25; i++) db.YOUR_COLLECTION_NAME.insert( { x : i } )
Now to Convert the standalone MongoDB into a Replica Set.
First Shutdown the process.
mongo YOUR_DATABASE_NAME
use admin
db.shutdownServer()
Now we're running MongoDB as a service, so we don't pass in the "--replSet rs0" option ...
How to get MVC action to return 404
...
In NerdDinner eg. Try it
public ActionResult Details(int? id) {
if (id == null) {
return new FileNotFoundResult { Message = "No Dinner found due to invalid dinner id" };
}
...
}
sha...
How to index characters in a Golang string?
...
Interpreted string literals are character sequences between double quotes "" using the (possibly multi-byte) UTF-8 encoding of individual characters. In UTF-8, ASCII characters are single-byte corresponding to the first 128 U...
What's the difference between EscapeUriString and EscapeDataString?
...de the "+" characters, it just left them as is, EscapeDataString correctly converted them to "%2B".
– BrainSlugs83
Nov 10 '13 at 3:42
7
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How to search file text for a pattern and replace it with a given value
...en you try to mv the file across a device mount you will transparently get converted to cp behavior. The old file will be opened, the old files inode will be preserved and reopened and the file contents will be copied. This is most likely not what you want, and you may run into "text file busy" err...