大约有 43,200 项符合查询结果（耗时：0.0569秒） [XML]
Getting a slice of keys from a map
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edited Dec 1 '14 at 9:28
answered Jan 26 '14 at 12:53
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What is the right way to override a setter method in Ruby on Rails?
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Update: July 19, 2017
Now the Rails documentation is also suggesting to use super like this:
class Model < ActiveRecord::Base
def attribute_name=(value)
# custom actions
###
super(value)
end
end
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Execution time of C program
...need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating the number of clocks the program took divided by the Clocks_per_second va...
Android - custom UI with custom attributes
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Yes. Short guide:
1. Create an attribute XML
Create a new XML file inside /res/values/attrs.xml, with the attribute and it's type
<?xml version="1.0" encoding="UTF-8"?>
<resources>
<declare-styleable name="MyCustomElement"...
How to use ArgumentCaptor for stubbing?
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edited Mar 15 '18 at 2:21
David Rawson
16.5k55 gold badges7373 silver badges102102 bronze badges
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Parsing HTML using Python
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edited Oct 26 '19 at 17:44
Edward
56522 gold badges77 silver badges2929 bronze badges
answere...
Using String Format to show decimal up to 2 places or simple integer
I have got a price field to display which sometimes can be either 100 or 100.99 or 100.9, What I want is to display the price in 2 decimal places only if the decimals are entered for that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should displa...
How to convert enum value to int?
... the enum expose value somehow, e.g.
public enum Tax {
NONE(0), SALES(10), IMPORT(5);
private final int value;
private Tax(int value) {
this.value = value;
}
public int getValue() {
return value;
}
}
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public int getTaxValue() {
Tax tax = Tax.NONE; ...