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How to sort in-place using the merge sort algorithm?
...rrays only actually contain single words per element, e.g., a pointer to a string or structure) to trade off some space for time and have a separate temporary array that you sort back and forth between.
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Why do I get “a label can only be part of a statement and a declaration is not a statement” if I hav
...("Hello ");
goto Cleanup;
Cleanup: ; //This is an empty statement.
char *str = "World\n";
printf("%s\n", str);
}
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C# - how to determine whether a Type is a number
... return false;
}
}
Usage:
int i = 32;
i.IsNumericType(); // True
string s = "Hello World";
s.IsNumericType(); // False
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How to get first character of string?
I have a string, and I need to get its first character.
16 Answers
16
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Converting Go struct to JSON
...ain
import (
"fmt"
"encoding/json"
)
type User struct {
Name string
}
func main() {
user := &User{Name: "Frank"}
b, err := json.Marshal(user)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(string(b))
}
Output:
{"Name":"Frank"}
...
design a stack such that getMinimum( ) should be O(1)
...isEmpty () {
return size == 0;
}
public static void main (String...args) {
StackWithMin stack = new StackWithMin();
for ( String arg: args )
stack.push( Integer.parseInt( arg ) );
while ( ! stack.isEmpty() ) {
int min = stack.getMin...
How to do a LIKE query in Arel and Rails?
...ers[:name].matches("%#{user_name}%"))
PS:
users = User.arel_table
query_string = "%#{params[query]}%"
param_matches_string = ->(param){
users[param].matches(query_string)
}
User.where(param_matches_string.(:name)\
.or(param_matches_string.(:description)))
...
Is there a date format to display the day of the week in java?
...rmatter f = DateTimeFormatter.ofPattern( “uuuu-MM-EEE” , Locale.US ) ;
String output = ld.format( f ) ;
ISO 8601
By the way, you may be interested in the standard ISO 8601 week numbering scheme: yyyy-Www-d.
2018-W01-2
Week # 1 has the first Thursday of the calendar-year. Week starts on...
application/x-www-form-urlencoded or multipart/form-data?
...body of the HTTP message sent to the server is essentially one giant query string -- name/value pairs are separated by the ampersand (&), and names are separated from values by the equals symbol (=). An example of this would be:
MyVariableOne=ValueOne&MyVariableTwo=ValueTwo
According to...
Android search with Fragments
... if (Intent.ACTION_SEARCH.equals(getIntent().getAction())) {
String query = intent.getStringExtra(SearchManager.QUERY);
doMySearch(query);
}
}
/**
* Performs a search and passes the results to the container
* Activity that holds your Fragments.
...