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How to list variables declared in script in bash?
...allows variable reports through (e.g. VAR=VALUE lines).
In particular, the A2 does not spuriously make it into the output.
+ function a() { echo $'\nA2=B'; }; A0=000; A9=999;
+ SOLUTION | grep '^A[0-9]='
A0=000
A9=999
AND: The "DejayClayton" problem is solved (embedded newlines in variable value...
How to automatically start a service when running a docker container?
... /var/www"
cd /var/www
echo "Creating soft link"
ln -s /opt/mysite mysite
a2enmod headers
service apache2 restart
a2ensite mysite.conf
a2dissite 000-default.conf
service apache2 reload
if [ -z "$1" ]
then
exec "/usr/sbin/apache2 -D -foreground"
else
exec "$1"
fi
...
What is the difference between == and equals() in Java?
....out.println( s1.equals( s2 )); // true
A a1 = new A();
A a2 = new A();
System.out.println( "\n2 - OBJECT TYPES / STATIC VARIABLE" );
System.out.println( a1 == a2 ); // false
System.out.println( a1.s == a2.s ); // true
System.out.println( a1.s.equals...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...st.t (id, a, b) VALUES (1, ‘a1’, ‘b1’), (2, ‘a2’, ‘b2’)
shell> telnet localhost 9999
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
P 1 test t PRIMARY id,a,b
0 1
1 + 3 1 ...
Create a new object from type parameter in generic class
...ect(a1 instanceof A).toBeTruthy();
expect(a1.data).toBe(str);
var a2 = Helper.create(A, {data: str});
expect(a2 instanceof A).toBeTruthy();
expect(a2.data).toBe(str);
var b1 = Helper.createRaw(B, {data: str}
How do I add files and folders into GitHub repos?
...n git commit -m 'Added README'
$ git commit -m 'Added README'
[master 6402a2e] Added README
0 files changed, 0 insertions(+), 0 deletions(-)
create mode 100644 README
Finally, git push -u origin master to push the remote branch master for the repository origin.
$ git push -u origin master
Co...
Calling class staticmethod within the class body?
...
Jan VorcakJan Vorcak
16.5k1111 gold badges4242 silver badges8383 bronze badges
...
Is it possible to solve the “A generic array of T is created for a varargs parameter” compiler warni
...d assemble(X container, Y a1) { ... }
void assemble(X container, Y a1, Y a2) { ... }
void assemble(X container, Y a1, Y a2, Y a3) { ... }
void assemble(X container, Y a1, Y a2, Y a3, Y a4) { ... }
void assemble(X container, Y... args) { ... }
}
...
How can I determine whether a 2D Point is within a Polygon?
...x1, float v2y1, float v2x2, float v2y2
) {
float d1, d2;
float a1, a2, b1, b2, c1, c2;
// Convert vector 1 to a line (line 1) of infinite length.
// We want the line in linear equation standard form: A*x + B*y + C = 0
// See: http://en.wikipedia.org/wiki/Linear_equation
a1 =...
How do I edit an existing tag message in git?
...
answered Oct 18 '11 at 20:24
AndyAndy
36.2k1212 gold badges6363 silver badges6565 bronze badges
...