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Pointers vs. values in parameters and return values
...llers.
It's not always practical follow that pattern. Some tools like database interfaces or serializers need to append to a slice whose type isn't known at compile time. They sometimes accept a pointer to a slice in an interface{} parameter.
Maps, channels, strings, and function and interface va...
surface plots in matplotlib
... values.
http://matplotlib.sourceforge.net/mpl_examples/mplot3d/surface3d_demo.py
here's pythonic way to convert your 3-tuples to 3 1d arrays.
data = [(1,2,3), (10,20,30), (11, 22, 33), (110, 220, 330)]
X,Y,Z = zip(*data)
In [7]: X
Out[7]: (1, 10, 11, 110)
In [8]: Y
Out[8]: (2, 20, 22, 220)
In [9...
CSS/HTML: Create a glowing border around an Input Field
...one;
border-color: #9ecaed;
box-shadow: 0 0 10px #9ecaed;
}
Live demo: http://jsfiddle.net/simevidas/CXUpm/1/show/
(to view the code for the demo, remove "show/" from the URL)
label {
display:block;
margin:20px;
width:420px;
overflow:auto;
font-family:sans-s...
Change auto increment starting number?
...ement;
DELIMITER //
CREATE PROCEDURE update_auto_increment (_table VARCHAR(64))
BEGIN
DECLARE _max_stmt VARCHAR(1024);
DECLARE _stmt VARCHAR(1024);
SET @inc := 0;
SET @MAX_SQL := CONCAT('SELECT IFNULL(MAX(`id`), 0) + 1 INTO @inc FROM ', _table);
PREPARE _max_stmt FROM @MAX_S...
How to resize a VirtualBox vmdk file
...e symlink path VBoxManage clonehd "~/path/to/symlink/packer-centos-6.5-x86_64-disk1.vmdk" "/media/k0pernikus/thatFatSlowDisk/cloned_packer-centos-6.5-x86_64-disk1.vdi" If you specfiy the real path, the command will crash due to VBoxManage: error: Cannot register the hard disk, as VBox thinks it's al...
Generate a Hash from string in Javascript
...ng-strings) and the bitwise function is actually more slow than the number based function.
– skerit
Jun 29 '12 at 21:23
17
...
What is the purpose of the “final” keyword in C++11 for functions?
...ady mentioned in a comment is that if you are overriding a function from a base class, then you cannot possibly mark it as non-virtual:
struct base {
virtual void f();
};
struct derived : base {
void f() final; // virtual as it overrides base::f
};
struct mostderived : derived {
//vo...
Can a java file have more than one class?
...args) {
// TODO Auto-generated method stub
}
public class demo1
{
public class demo2
{
}
}
}
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Set a path variable with spaces in the path in a Windows .cmd file or batch file
... JoeyJoey
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Import a module from a relative path
...
Running Win 7 Pro 64x and Python 2.7 I get a few errors. 1) I had to add inspect to the import list. 2) The 1st value, [0], in the tuple is an empty string. The 2nd, [1], shows the file name. I am guessing that the first should be the path...