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How does '20 seconds' work in Scala?
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There are a few things going on.
First, Scala allows dots and parens to be omitted from many method calls, so 20 seconds is equivalent to 20.seconds()*.
Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler searches for an impli...
Store select query's output in one array in postgres
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Sorry 'bout that. Mindless copying and pasting got array_agg() included in all three calls. I've also type-casted the initial one to make your PG version happy.
– Denis de Bernardy
Jun 19 '11 at 13:41
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Stop an input field in a form from being submitted
...l, I didn't know that. Does this work on all browsers? Is it part of a standard, or is it an implementation quirk?
– BlairHippo
Jun 9 '10 at 17:12
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How to remove unused imports in Intellij IDEA on commit?
...r "Add unambiguous imports on the fly" is for :) You can disable the first and only enable the unambiguous setting.
– matt b
Sep 25 '12 at 14:44
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Placeholder in UITextView
...bcd's solution to allow for initialization from a Xib file, text wrapping, and to maintain background color. Hopefully it will save others the trouble.
UIPlaceHolderTextView.h:
#import <Foundation/Foundation.h>
IB_DESIGNABLE
@interface UIPlaceHolderTextView : UITextView
@property (nonatomi...
How can I round to whole numbers in JavaScript?
...actly matches ECMAScript's Math.round()'s behavior of rounding to nearest, and running exact half-integers towards positive infinity.
– hmakholm left over Monica
Jul 11 '17 at 15:00
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Can't connect Nexus 4 to adb: unauthorized
I have a Nexus 4 with Android 4.3 and I am trying to connect the device to a computer with Windows 7 64bit.
26 Answers
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Is there a WebSocket client implemented for Python? [closed]
I found this project: http://code.google.com/p/standalonewebsocketserver/ for a WebSocket server, but I need to implement a WebSocket client in python, more exactly I need to receive some commands from XMPP in my WebSocket server.
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Getting content/message from HttpResponseMessage
...HttpResponseMessage' does not contain a definition for 'GetResponseStream' and no extension method 'GetResponseStream' accepting a first argument of type 'System.Net.Http.HttpResponseMessage' could be found"
– Clem
Apr 10 '13 at 21:00
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Get pandas.read_csv to read empty values as empty string instead of nan
I'm using the pandas library to read in some CSV data. In my data, certain columns contain strings. The string "nan" is a possible value, as is an empty string. I managed to get pandas to read "nan" as a string, but I can't figure out how to get it not to read an empty value as NaN. Here's sam...