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mmap() vs. reading blocks
... way faster. You might write a simple benchmark to prove it to yourself:
char data[0x1000];
std::ifstream in("file.bin");
while (in)
{
in.read(data, 0x1000);
// do something with data
}
versus:
const int file_size=something;
const int page_size=0x1000;
int off=0;
void *data;
int fd = open...
Unsupported major.minor version 52.0 [duplicate]
...s of your IDE. For example, in Eclipse go to menu Windows → Preferences, select Java, and expand it. Then select Compiler and change the compliance level to 1.7. I am sure this will work from there.
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What is Dispatcher Servlet in Spring?
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I have a question please, how it select the view in case of returning JSON object that we see in the browser, does it return to the same URI if there is no logical view selected?
– Nesrin
Jan 11 '19 at 20:44
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What is the shortest way to pretty print a org.w3c.dom.Document to stdout?
...Brilliant! And yes, it is a bit much text but it is crystal clear what the selected options are and Eclipse/Netbeans really help you write this. Show me a smaller version and I tell you what it cannot do. Worse, I will tell you where you need 3 debugging rounds to get it right ...
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Convert Mercurial project to Git [duplicate]
...led hg-git via macports as follows:
sudo port install python27
sudo port select --set python python27
sudo port install py27-hggit
vi ~/.hgrc
.hgrc needs these lines:
[ui]
username = Name Surname <me@mydomain.com>
[extensions]
hgext.bookmarks =
hggit =
I then had success with:
hg pus...
Accessing the index in 'for' loops?
...g enumerate, I switched to this approach to avoid having to write logic to select which object to enumerate.
– adg
Mar 31 '17 at 23:18
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How to save a BufferedImage as a File
... that are installed and any of these names may be used as a format name to select an image writer.
For a full and practical example, one can refer to Oracle's SaveImage.java example.
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Unresolved reference issue in PyCharm
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After all this don't forget to restart. In PyCharm menu select: File --> Invalidate Caches / Restart
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Django dynamic model fields
...y constraint, which may be inefficient on some databases.
You will need to select one of the forks, since the official package is no longer maintained and there is no clear leader.
The usage is pretty straightforward:
import eav
from app.models import Patient, Encounter
eav.register(Encounter)
e...
What's the difference between “git reset” and “git checkout”?
.... git checkout is about updating the working tree and switching currently "selected" branch (the HEAD).
– Mikko Rantalainen
Dec 9 '13 at 11:02
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