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Difference between events and delegates and its respective applications [closed]
...es in code to provide different strategies of turning certain objects into string. This particular example was a glorified ToString() list of implementations for a particular object type to display it to users.
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How do you calculate log base 2 in Java for integers?
... = pow(base, pow);
if (pow != log(x, base))
System.out.println(String.format("error at %d^%d", base, pow));
if(pow!=0 && (pow-1) != log(x-1, base))
System.out.println(String.format("error at %d^%d-1", base, pow));
}
public static void main(String[] args) {
for (i...
What is the correct way to get a subarray in Scala?
...Array("foo", "hoo", "goo", "ioo", "joo").slice(1, 4)
res6: Array[java.lang.String] = Array(hoo, goo, ioo)
It works like in python.
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Double not (!!) operator in PHP
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This means that for any true value (numbers other than zero, non-empty strings and arrays, etc.) you will get the boolean value TRUE, and for any false value (0, 0.0, NULL, empty strings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
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jQuery table sort
...turn $.isNumeric(valA) && $.isNumeric(valB) ? valA - valB : valA.toString().localeCompare(valB)
}
}
function getCellValue(row, index){ return $(row).children('td').eq(index).text() }
table, th, td {
border: 1px solid black;
}
th {
cursor: pointer;
}
<script src="http...
Why do I get a SyntaxError for a Unicode escape in my file path?
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You need to use a raw string, double your slashes or use forward slashes instead:
r'C:\Users\expoperialed\Desktop\Python'
'C:\\Users\\expoperialed\\Desktop\\Python'
'C:/Users/expoperialed/Desktop/Python'
In regular python strings, the \U characte...
How do I pass values to the constructor on my wcf service?
... to the protected method public override ServiceHostBase CreateServiceHost(string constructorString, Uri[] baseAddresses); The exception is The exception message was: 'ServiceHostFactory.CreateServiceHost' cannot be invoked within the current hosting environment. This API requires that the calling ...
How do I execute code AFTER a form has loaded?
...tHandlerOnAWorkerThread()
{
// this code running on a worker thread...
string newText = ExpensiveMethod(); // perhaps a DB/web call
// now ask the UI thread to update itself
this.Invoke((MethodInvoker) delegate {
// this code runs on the UI thread!
this.Text = newText;
});
}
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Scala: Nil vs List()
...t? Example - scala> Map(1 -> "hello", 2 -> "world").foldLeft(List[String]())( (acc, el) => acc :+ el._2) res1: List[String] = List(hello, world) Using Nil as the accumulator here wouldn't work.
– Kevin Meredith
Nov 17 '13 at 4:57
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Eclipse, regular expression search and replace
In eclipse, is it possible to use the matched search string as part of the replace string when performing a regular expression search and replace?
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