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How to determine whether an object has a given property in JavaScript
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Object has property:
If you are testing for properties that are on the object itself (not a part of its prototype chain) you can use .hasOwnProperty():
if (x.hasOwnProperty('y')) {
// ......
}
Object or its prototype has a property:
You ca...
How do I instantiate a Queue object in java?
...s... I think it makes the answer more confusing for someone that wants to know what to do because they almost surely don't want to do that. (Even if they wanted their own class, there is no need to make it anonymous)
– Tom
Jan 7 '11 at 23:08
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Could not load file or assembly or one of its dependencies
...ly called ServiceLocator.dll which needs an old version of Unity assembly, now when you reference the ServiceLocator you should provide it with the old version of Unity, and that makes the problem.
May be the output folder where all projects build their assemblies, has an old version of unity.
You...
Get element inside element by class and ID - JavaScript
...ighne the exact requirements of OP was that he "would like to get more specific". The person asking the question was asking how he could be more specific in his DOM tree traversal. The use of getElementByClassName was not a point of confusion, but I can see how someone might easily think I was ind...
Call a Javascript function every 5 seconds continuously [duplicate]
...s continuously.
I have seen the setTimeOut event. Will it be working fine if I want it continuously?
5 Answers
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Changing specific text's color using NSMutableAttributedString in Swift
...the title question:
To change the colour of a length of text you need to know the start and end index of the coloured-to-be characters in the string e.g.
var main_string = "Hello World"
var string_to_color = "World"
var range = (main_string as NSString).rangeOfString(string_to_color)
Then you c...
Can you supply arguments to the map(&:method) syntax in Ruby?
...mcaplan suggested in the comment below, you could create a shorter syntax, if you rename the with method to call. In this case, ruby has a built in shortcut for this special method .().
So you could use the above like this:
class Symbol
def call(*args, &block)
->(caller, *rest) { call...
How to use font-awesome icons from node-modules
...s. Either way, you're going to end up including between 2-3k lines of unminified CSS.
You'll also need to serve the fonts themselves from a folder called/fonts/ in your public directory. You could just copy them there with a simple gulp task, for example:
gulp.task('fonts', function() {
return ...
Python Progress Bar
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There are specific libraries (like this one here) but maybe something very simple would do:
import time
import sys
toolbar_width = 40
# setup toolbar
sys.stdout.write("[%s]" % (" " * toolbar_width))
sys.stdout.flush()
sys.stdout.write("...
Editing legend (text) labels in ggplot
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@Sathish I bit late, but fixed the typo now :-)
– Jaap
Jun 4 '19 at 5:34
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