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Selecting a row of pandas series/dataframe by integer index
... edited Jun 5 '18 at 12:40
marc_aragones
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answered Apr 19 '13 at 12:20
...
Determine if an object property is ko.observable
...ce) {
if ((instance === null) || (instance === undefined) || (instance.__ko_proto__ === undefined)) return false;
if (instance.__ko_proto__ === ko.dependentObservable) return true;
return ko.isComputed(instance.__ko_proto__); // Walk the prototype chain
};
UPDATE: If you are using KO 2...
Guava equivalent for IOUtils.toString(InputStream)
...se
CharStreams.toString(new InputStreamReader(supplier.get(), Charsets.UTF_8))
This code is problematic because the overload CharStreams.toString(Readable) states:
Does not close the Readable.
This means that your InputStreamReader, and by extension the InputStream returned by supplier.get(...
Get notified when UITableView has finished asking for data?
...interface declaration for UITableView, you will find NSMutableArray member _reloadItems right under _insertItems and _deleteItems. (I've had to rework code I inherited because of this change.)
– Walt Sellers
Feb 21 '13 at 6:32
...
A non well formed numeric value encountered
...atetime description into a Unix timestamp (integer):
date("d", strtotime($_GET['start_date']));
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“Large data” work flows using pandas
...fields to a specific group, and defines
# what you want to have as data_columns.
# you might want to create a nice class wrapping this
# (as you will want to have this map and its inversion)
group_map = dict(
A = dict(fields = ['field_1','field_2',.....], dc = ['field_1',....,'field_...
How to make a Python script run like a service or daemon in Linux
...ass the Daemon class and override the run() method
"""
def __init__(self, pidfile, stdin='/dev/null', stdout='/dev/null', stderr='/dev/null'):
self.stdin = stdin
self.stdout = stdout
self.stderr = stderr
self.pidfile = p...
Constructor overload in TypeScript
... Box(params) {
if (params === void 0) { params = {}; }
var _a = params.x, x = _a === void 0 ? 0 : _a, _b = params.y, y = _b === void 0 ? 0 : _b, _c = params.height, height = _c === void 0 ? 1 : _c, _d = params.width, width = _d === void 0 ? 1 : _d;
this.x = x;
this.y ...
Scala: What is a TypeTag and how do I use it?
...ss Foo
class Bar extends Foo
def meth[A](xs: List[A]) = xs match {
case _: List[String] => "list of strings"
case _: List[Foo] => "list of foos"
}
we will get warnings:
<console>:23: warning: non-variable type argument String in type pattern List[String]↩
is unchecked since it ...
Android: Bitmaps loaded from gallery are rotated in ImageView
...ntation of the image:
orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 1);
Here's what the orientation values mean:
http://sylvana.net/jpegcrop/exif_orientation.html
So, the most important values are 3, 6 and 8.
If the orientation is ExifInterface.ORIENTATION_ROTATE_90 (which is...