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PhoneGap: Detect if running on desktop browser
...n a browser or not, here is another great option:
var app = document.URL.indexOf( 'http://' ) === -1 && document.URL.indexOf( 'https://' ) === -1;
if ( app ) {
// PhoneGap application
} else {
// Web page
}
as seen here: Detect between a mobile browser or a PhoneGap application...
How fast is D compared to C++?
...ting average
Removed the size_type and replaced appropriately with the new index_type alias
...thus resulting in scalar2.cpp (pastebin):
import std.stdio : writeln;
import std.datetime : Clock, Duration;
import std.array : uninitializedArray;
import std.random : uniform;
alia...
Should each and every table have a primary key?
...s, most RDBMS engines will benefit from including these fields in a unique index.
And since any primary key involves creating a unique index, you should declare it and get both logical consistency and performance.
See this article in my blog for why you should always create a unique index on uniqu...
Using Ajax.BeginForm with ASP.NET MVC 3 Razor
...oller:
public class HomeController : Controller
{
public ActionResult Index()
{
return View(new MyViewModel());
}
[HttpPost]
public ActionResult Index(MyViewModel model)
{
return Content("Thanks", "text/html");
}
}
View:
@model AppName.Models.MyViewMo...
Creating a zero-filled pandas data frame
...
You can try this:
d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)
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Pandas dataframe get first row of each group
...h
If you need id as column:
>>> df.groupby('id').first().reset_index()
id value
0 1 first
1 2 first
2 3 first
3 4 second
4 5 first
5 6 first
6 7 fourth
To get n first records, you can use head():
>>> df.groupby('id').head(2).reset_index(drop=Tru...
Stop Chrome Caching My JS Files
...thing like script.js?a=[random Number] with the Random number generated by PHP.
Have you tried expire=0, the pragma "no-cache" and "cache-control=NO-CACHE"? (I dunno what they say about Scripts).
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Access lapply index names inside FUN
Is there a way to get the list index name in my lapply() function?
12 Answers
12
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string.charAt(x) or string[x]?
...rks I did showed a three time decrease in performance when using charAt vs indexer in Chrome when the string is boxed in an object. I know that's not really relevant, but still worth noting.jsfiddle.net/mdasxxd2
– Siderite Zackwehdex
Jul 25 '16 at 10:51
...
Combining multiple git repositories
...is uses git's filter-branch command):
$ cd phd/code
$ git filter-branch --index-filter \
'git ls-files -s | sed "s#\t#&code/#" |
GIT_INDEX_FILE=$GIT_INDEX_FILE.new \
git update-index --index-info &&
mv $GIT_INDEX_FILE.new $GIT_INDEX_FILE' HEAD
Same for the content of...