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Odd behavior when Java converts int to byte?
...e number as negative
public class castingsample{
public static void main(String args[]){
int i;
byte y;
i = 1024;
for(i = 1024; i > 0; i-- ){
y = (byte)i;
System.out.print(i + " mod 128 = " + i%128 + " also ");
System.out.println(i + " cast to byte " + " = " ...
Make a link use POST instead of GET
... tab to the url of the href
As the method is POST, we should have no query string in the URL of the target page we load
That page should receive the data in parameters (names and value) by POST
I am using jquery here, but this could be done with native apis (harder and longer of course).
<html...
RegEx to find two or more consecutive chars
I need to determine if a string contains two or more consecutive alpha chars. Two or more [a-zA-Z] side by side.
Example:
...
Scala best way of turning a Collection into a Map-by-key?
...sult into a variable argument.
scala> val list = List("this", "maps", "string", "to", "length") map {s => (s, s.length)}
list: List[(java.lang.String, Int)] = List((this,4), (maps,4), (string,6), (to,2), (length,6))
scala> val list = List("this", "is", "a", "bunch", "of", "strings")
list:...
What is a segmentation fault?
...as marked as read-only:
char *str = "Foo"; // Compiler marks the constant string as read-only
*str = 'b'; // Which means this is illegal and results in a segfault
Dangling pointer points to a thing that does not exist any more, like here:
char *p = NULL;
{
char c;
p = &c;
}
// Now p ...
boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...DType,&TParam::ID>
>,
composite_key_compare<
//std::less<std::string>
customize_compare
>
>,
ordered_non_unique< tag<TParamValidIndex>,
member<TParam,bool,&TParam::IsValid> >
>
>TParamSet;
typedef boost::multi_index::index<TParamSet,TParamIDIndex>::type TParamSetBy...
Convert DOS line endings to Linux line endings in Vim
...
This solution adds unwanted extra lines for me, doubling the number of lines in the file. :%s/\r//g instead works for me.
– Victor Zamanian
Aug 22 '13 at 23:57
...
Why do people say there is modulo bias when using a random number generator?
... particularly hard to avoid in computing, where numbers are represented as strings of bits: 0s and 1s. Finding truly random sources of randomness is also extremely difficult, but is beyond the scope of this discussion. For the remainder of this answer, assume that there exists an unlimited source of...
Sprintf equivalent in Java
... with the 1.5 release but I can't seem to find how to send the output to a string rather than a file (which is what sprintf does in C). Does anyone know how to do this?
...
Fastest way to remove first char in a String
Say we have the following string
4 Answers
4
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