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How to write an async method with out parameter?
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You can't have async methods with ref or out parameters.
Lucian Wischik explains why this is not possible on this MSDN thread: http://social.msdn.microsoft.com/Forums/en-US/d2f48a52-e35a-4948-844d-828a1a6deb74/why-async-methods-cannot-have-ref-or-out-parameters
As for why async methods don't s...
Android TextView with Clickable Links: how to capture clicks?
I have a TextView which is rendering basic HTML, containing 2+ links. I need to capture clicks on the links and open the links -- in my own internal WebView (not in the default browser.)
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What's the difference between CENTER_INSIDE and FIT_CENTER scale types?
...mpletely fits inside the container, and either the horizontal or vertical axis is going to be exact.
CENTER_INSIDE is going to center the image inside the container, rather than making the edges match exactly.
so if you had a square box that was 10" x 10" and an image that was 8"x8", the CENTER_I...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
... 14.0.835.163
Safari 4.0.5
Opera 10.6
Tested and Not working:
FireFox 40.0.2 (observing Developer Network Tools, you can see that the URL loads, but the image is not displayed)
Internet Explorer 11.0.9600.17905 (URL never loads)
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How to set enum to null
...l by having the FIRST value in the enum (aka 0) be the default value. For example in a case of color None.
public Color myColor = Color.None;
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How to select the rows with maximum values in each group with dplyr? [duplicate]
I would like to select a row with maximum value in each group with dplyr.
6 Answers
6
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How to pretty print nested dictionaries?
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I'm not sure how exactly you want the formatting to look like, but you could start with a function like this:
def pretty(d, indent=0):
for key, value in d.items():
print('\t' * indent + str(key))
if isinstance(value, dict):
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Identifying and removing null characters in UNIX
I have a text file containing unwanted null characters (ASCII NUL, \0 ). When I try to view it in vi I see ^@ symbols, interleaved in normal text. How can I:
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When to use enumerateObjectsUsingBlock vs. for
...use whichever pattern you want to use and comes more naturally in the context.
While for(... in ...) is quite convenient and syntactically brief, enumerateObjectsUsingBlock: has a number of features that may or may not prove interesting:
enumerateObjectsUsingBlock: will be as fast or faster than ...
How do you round a number to two decimal places in C#?
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Here's some examples:
decimal a = 1.994444M;
Math.Round(a, 2); //returns 1.99
decimal b = 1.995555M;
Math.Round(b, 2); //returns 2.00
You might also want to look at bankers rounding / round-to-even with the following overload:
Math...