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node.js global variables?
... if you really want to use them. The 3 statements below are all equivalent and will assign a var to the global scope: GLOBAL._ = require('underscore'); global._ = require('underscore'); _ = require('underscore');
– metaColin
Aug 5 '15 at 18:23
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Setting WPF image source in code
... Okay, but isn't there some method or class that the XAML parser uses to convert the simple path string to an ImageSource? Couldn't we just use that?
– Qwertie
Jun 2 '11 at 16:48
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Multiply TimeSpan in .NET
...ged to point out that @JustinPihony answered nearly two years before I did and it was the information in his answer that allowed me to write mine.
– Stephen Hewlett
Oct 25 '13 at 20:36
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Circular list iterator in Python
...erpetuity. That documentation for cycle implies that the input iterable is converted to list before its generator starts, since iterable is only "good for one pass over the set of values".
– Jacob Krall
May 17 '16 at 2:30
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Set transparent background of an imageview on Android
...the percentage number by 100 and multiply by 255 to get the decimal value. Convert the decimal to hexadecimal here.
For example, for 50%, 50/100 * 255 = 127. Using the link we get hexadecimal value 7F.
Source: Android: how to create a transparent or opaque background
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Django template how to look up a dictionary value with a variable
...he function is in the form of a string, so perhaps use ast.literal_eval to convert the string to a dictionary first, like in this example.
With this edit, the code should look like this:
# code for custom template tag
@register.filter(name='lookup')
def lookup(value, arg):
value_dict = ast.liter...
How to return PDF to browser in MVC?
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Cannot implicitly convert type 'System.Web.Mvc.FileStreamResult' to 'System.Web.Mvc.FileContentResult'
– CountMurphy
Apr 13 '15 at 16:14
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Remove the last character from a string [duplicate]
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First, I try without a space, rtrim($arraynama, ","); and get an error result.
Then I add a space and get a good result:
$newarraynama = rtrim($arraynama, ", ");
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How to set delay in android?
I want to set a delay between the command between changing background. I tried using a thread timer and tried using run and catch. But it isn't working. I tried this
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How can I initialize a String array with length 0 in Java?
...you can use:
private static final String[] EMPTY_ARRAY = new String[0];
and then just return EMPTY_ARRAY each time you need it - there's no need to create a new object each time.
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