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What is Java Servlet?
I read many articles to understand java servlet but I did not succeed.
12 Answers
12
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How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
How can I get the year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java? I would like to have them as Strings .
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How to get all enum values in Java?
...("25 rs");
private String value;
private Currency(String brand) {
this.value = brand;
}
@Override
public String toString() {
return value;
}
}
public static void main(String args[]) {
Currency[] currencies = C...
What do (lambda) function closures capture?
Recently I started playing around with Python and I came around something peculiar in the way closures work. Consider the following code:
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Assign pandas dataframe column dtypes
...you have to use the explicit conversions:
pd.to_datetime, pd.to_timedelta and pd.to_numeric
(As mentioned below, no more "magic", convert_objects has been deprecated in 0.17)
df = pd.DataFrame({'x': {0: 'a', 1: 'b'}, 'y': {0: '1', 1: '2'}, 'z': {0: '2018-05-01', 1: '2018-05-02'}})
df.dtypes
x ...
What is the difference between Polymer elements and AngularJS directives?
... a new element.
On to questions!
What is the difference between Angular and Polymer?
We covered some of this in our Q&A video. In general, Polymer is a library that aims to use (and show how to use) Web Components. Its foundation is Custom Elements (e.g. everything you build is a web compone...
Difference between size_t and std::size_t
What are the differences between size_t and std::size_t in terms of where they are declared, when they should be used and any other differentiating features?
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Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
... sample below, with the can recognized in the green rectangle with scale and rotation.
23 Answers
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C# constructor execution order
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@supercat: On the other hand, it means you can't call any members in the base class, because that part hasn't been initialized yet...
– Jon Skeet
Dec 13 '11 at 4:03
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What are enums and why are they useful?
Today I was browsing through some questions on this site and I found a mention of an enum being used in singleton pattern about purported thread safety benefits to such solution.
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