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Why does the Scala compiler disallow overloaded methods with default arguments?
...cifying/implementing it. Essentially, the parameter types are part of the function's ID. What does the compiler currently do with foo(String) and foo(Int) (i.e., overloaded methods WITHOUT a default)?
– Mark
Sep 19 '14 at 12:48
...
Any way to modify Jasmine spies based on arguments?
...pi, 'get')
.withArgs('abc').and.returnValue('Jane')
.withArgs('123').and.returnValue(98765);
});
});
For Jasmine versions earlier than 3.0 callFake is the right way to go, but you can simplify it using an object to hold the return values
describe('my fn', function() {
var params ...
How to replace list item in best way
... item.
List<string> listOfStrings = new List<string> {"abc", "123", "ghi"};
listOfStrings[listOfStrings.FindIndex(ind=>ind.Equals("123"))] = "def";
share
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improve this answer
...
Parameterize an SQL IN clause
... going to need to dynamically escape the wildcard. We can use the REPLACE function to find occurrences of the %character and insert a backslash character in front of each one, like this:
select ...
where '|pe%ter|'
like '%|' + REPLACE( 'pe%ter' ,'%','\%') + '|%' escape '\'
So that solves the ...
Remove not alphanumeric characters from string
...xample that captures every key I could find on the keyboard:
var string = '123abcABC-_*(!@#$%^&*()_-={}[]:\"<>,.?/~`';
var stripped = string.replace(/[^A-Za-z0-9]/g, '');
console.log(stripped);
Outputs: '123abcABC'.
...
致PHP路上的“年轻人” - PHP - 清泛IT社区，为创新赋能！
...趁着年轻，赶紧造。
作者：Pangee
文章源自：http://pangee.cn/for-young-man@20150916.html
Convert NaN to 0 in javascript
...ber. This has the added benefit of converting things like numeric strings '123' to a number.
The only unexpected thing may be if someone passes an Array that can successfully be converted to a number:
+['123'] // 123
Here we have an Array that has a single member that is a numeric string. It wi...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
...
Where is this year() function from?
You could also use the reshape2 package for this task:
require(reshape2)
df_melt <- melt(df1, id = c("date", "year", "month"))
dcast(df_melt, year + month ~ variable, sum)
# year month x1 ...
Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
...w advantages over hamcrest such as:
they are more readable
(assertEquals(123, actual); // reads "assert equals 123 is actual" vs
assertThat(actual).isEqualTo(123); // reads "assert that actual is equal to 123")
they are discoverable (you can make autocompletion work with any IDE).
Some examples
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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
...edited Apr 13 '16 at 6:59
Rizier123
55k1616 gold badges7777 silver badges119119 bronze badges
answered Sep 17 '08 at 6:57
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