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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...mplements Runnable {
private int c = 0;
public static void main(String[] args) {
new SynchTest().test();
}
public void test() {
// Create the object with the run() method
Runnable runnable = new SynchTest();
Runnable runnable2 = new SynchTest();
...
Why is “throws Exception” necessary when calling a function?
...// Why throws is necessary here ?
{
show2();
}
public static void main(String[] args) {
JavaException a = new JavaException();
try{
a.show3();
}catch(Exception e){
System.out.println(e.getMessage());
}
}
Only small changes in your program. What It seems to be misunderst...
Run php script as daemon process
... Run the script!
# Note, in this example, if your PHP script returns
# the string "ERROR", the daemon will stop itself.
script
[ $(exec /usr/bin/php -f /path/to/your/script.php) = 'ERROR' ] && ( stop; exit 1; )
end script
Starting & stopping your daemon:
sudo service myphpworker s...
Replacing Pandas or Numpy Nan with a None to use with MysqlDB
...to use before inserting with Django to avoid the np.nan being converted to string "nan"
– shadi
May 11 '18 at 8:04
Use...
Difference between Bridge pattern and Adapter pattern
... of the properties.
public class AdapterDemo{
public static void main(String args[]){
SquareArea s = new SquareArea(4);
System.out.println("Square area :"+s.getArea());
}
}
class RectangleArea {
public int getArea(int length, int width){
return length * width;
...
Use a LIKE statement on SQL Server XML Datatype
...ABLE WHERE ColumnA LIKE '%Test%' to see if that column contains a certain string.
4 Answers
...
Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
...ML because the '<' and '>' are not valid characters inside attribute strings. They need to be escaped using the corresponding XML entities &lt; and &gt;
It is not valid HTML either because the short closing form is not allowed in HTML (but is correct in XML and XHTML). The 'img' tag i...
Count number of lines in a git repository
... diff --shortstat `git hash-object -t tree /dev/null`
It will give you a string like 1770 files changed, 166776 insertions(+).
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Array slices in C#
...raySegment<T>. It's very light-weight as it doesn't copy the array:
string[] a = { "one", "two", "three", "four", "five" };
var segment = new ArraySegment<string>( a, 1, 2 );
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When should I use a struct instead of a class?
....X = x;
this.Y = y;
this.Z = z;
}
public override string ToString()
{
return "(X=" + this.X + ", Y=" + this.Y + ", Z=" + this.Z + ")";
}
public override int GetHashCode()
{
return (this.X + 2) ^ (this.Y + 2) ^ (this.Z + 2);
}
public ...