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Average of 3 long integers
...ue to brain-damaged semantics of the modulo operation, this can give a result that is off by one, namely rounded up rather than down, if negative values for the variables are allowed. For instance if x,y are positive multiples of 3, and z is -2, you get (x+y)/3 which is too much.
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Accessing localhost (xampp) from another computer over LAN network - how to?
...t open apache > config > Apache (httpd-xampp.conf)
Search for
<Directory "C:/xampp/phpMyAdmin">
AllowOverride AuthConfig
**Require local** Replace with **Require all granted**
ErrorDocument 403 /error/XAMPP_FORBIDDEN.html.var
</Directory>```
Go t...
CSS3 gradient background set on body doesn't stretch but instead repeats?
ok say the content inside the <body> totals 300px high.
12 Answers
12
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How do function pointers in C work?
...h.Carpenter: function pointers are nice for runtime CPU detection. Have multiple versions of some functions to take advantage of SSE, popcnt, AVX, etc. At startup, set your function pointers to the best version of each function for the current CPU. In your other code, just call through the functi...
Unexpected character encountered while parsing value
...are not passing JSON to DeserializeObject.
It looks like from File.WriteAllText(tmpfile,... that type of tmpfile is string that contain path to a file. JsonConvert.DeserializeObject takes JSON value, not file path - so it fails trying to convert something like @"c:\temp\fooo" - which is clearly not...
Convert ArrayList to String[] array [duplicate]
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Use like this.
List<String> stockList = new ArrayList<String>();
stockList.add("stock1");
stockList.add("stock2");
String[] stockArr = new String[stockList.size()];
stockArr = stockList.toArray(stockArr);
for(String s : stockArr)
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How can I use a carriage return in a HTML tooltip?
I'm currently adding verbose tooltips to our site, and I'd like (without having to resort to a whizz-bang jQuery plugin, I know there are many!) to use carriage returns to format the tooltip.
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Copying files from host to Docker container
...foo.txt
For emphasis, mycontainer is a container ID, not an image ID.
Multiple files contained by the folder src can be copied into the target folder using:
docker cp src/. mycontainer:/target
docker cp mycontainer:/src/. target
Reference: Docker CLI docs for cp
In Docker versions prior to 1...
What's the recommended approach to resetting migration history using Django South?
...South author:
As long as you take care to do it on all deployments simultaneously, there shouldn't be any problem with this. Personally, I'd do:
rm -r appname/migrations/
./manage.py reset south
./manage.py convert_to_south appname
(Notice that the “reset south” part cl...
Detect and exclude outliers in Pandas data frame
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If you have multiple columns in your dataframe and would like to remove all rows that have outliers in at least one column, the following expression would do that in one shot.
df = pd.DataFrame(np.random.randn(100, 3))
from scipy import ...