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Identify duplicates in a List
I have a List of type Integer eg:
31 Answers
31
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Iterate through object properties
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Iterating over properties requires this additional hasOwnProperty check:
for (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// do stuff
}
}
It's necessary because an object's prototyp...
read file from assets
I am using this code trying to read a file from assets. I tried two ways to do this. First, when use File I received FileNotFoundException , when using AssetManager getAssets() method isn't recognized.
Is there any solution here?
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How to read a file line-by-line into a list?
How do I read every line of a file in Python and store each line as an element in a list?
28 Answers
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Why '&&' and not '&'?
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In most cases, && and || are preferred over & and | because the former are short-circuited, meaning that the evaluation is canceled as soon as the result is clear.
Example:
if(CanExecute() && CanSave()...
c# datatable to csv
Could somebody please tell me why the following code is not working. The data is saved into the csv file, however the data is not separated. It all exists within the first cell of each row.
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Difference between a Structure and a Union
...stored at the same spot. This makes it useful when you want to store something that could be one of several types. A struct, on the other hand, has a separate memory location for each of its elements and they all can be used at once.
To give a concrete example of their use, I was working on a Schem...
Comparing two java.util.Dates to see if they are in the same day
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Calendar cal1 = Calendar.getInstance();
Calendar cal2 = Calendar.getInstance();
cal1.setTime(date1);
cal2.setTime(date2);
boolean sameDay = cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR) &&
cal1.get(Calendar.Y...
Read environment variables in Node.js
Is there a way to read environment variables in Node.js code?
6 Answers
6
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initialize a numpy array
Is there way to initialize a numpy array of a shape and add to it? I will explain what I need with a list example. If I want to create a list of objects generated in a loop, I can do:
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