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Should JAVA_HOME point to JDK or JRE?
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Is it possible to validate pro-grammatically whether the Java path is set as JRE or JDK?
– Dinesh Kumar P
Mar 2 '18 at 11:22
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How to determine if object is in array [duplicate]
...(In fact, using lodash, this whole solution becomes a one-liner, combining _.some and _.isEqual: _.some(list, v => _.isEqual(v, o)).)
– cdhowie
Dec 23 '19 at 18:34
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How to find out if an item is present in a std::vector?
All I want to do is to check whether an element exists in the vector or not, so I can deal with each case.
18 Answers
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Converting String to Int with Swift
The application basically calculates acceleration by inputting Initial and final velocity and time and then use a formula to calculate acceleration. However, since the values in the text boxes are string, I am unable to convert them to integers.
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Rotating a two-dimensional array in Python
...2]]
This list is passed into zip() using argument unpacking, so the zip call ends up being the equivalent of this:
zip([3, 4],
[1, 2])
# ^ ^----column 2
# |-------column 1
# returns [(3, 1), (4, 2)], which is a original rotated clockwise
Hopefully the comments make it clear what zip ...
How can I specify working directory for popen
...wd, import os and define cwd using this:
os.path.dirname(os.path.realpath(__file__))
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Android – Listen For Incoming SMS Messages
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@Sermilion You have to manually allow permission to read SMS in application manager of the mobile.
– Sanjay Kushwah
Mar 9 '17 at 9:39
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Test parameterization in xUnit.net similar to NUnit
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xUnit offers a way to run parameterized tests through something called data theories. The concept is equivalent to the one found in NUnit but the functionality you get out of the box is not as complete.
Here's an example:
[Theory]
[InlineData("Foo")]
[InlineData(9)]
[InlineData(true)]
pu...
Returning a C string from a function
...F-8 is an example of an mbcs. For the sake of intro, I quietly 'skip over' all of this.
Memory:
This means that a string like "my string" actually uses 9+1 (=10!) bytes. This is important to know when you finally get around to allocating strings dynamically.
So, without this 'terminating zero', y...
Difference between addSubview and insertSubview in UIView class
...array then add in View'slayer
- (void)addSubview:(UIView *)subview
{
[_subviews addObject:subview];
[_layer addSublayer:subview.layer];
}
}
2.While insertSubview add your view as subview then call
[_layer insertSublayer:subview.layer atIndex:index];
- (void)insertSubview:(UIView *)subv...