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C dynamically growing array
...ve omitted safety checks for brevity)
typedef struct {
int *array;
size_t used;
size_t size;
} Array;
void initArray(Array *a, size_t initialSize) {
a->array = malloc(initialSize * sizeof(int));
a->used = 0;
a->size = initialSize;
}
void insertArray(Array *a, int element) {
...
How to check if an object is a generator object in python?
...s and generators (generator function's result):
>>> def generator_function():
... yield 1
... yield 2
...
>>> import inspect
>>> inspect.isgeneratorfunction(generator_function)
True
calling generator_function won't yield normal result, it even won't execute any ...
How To Create Table with Identity Column
...varchar](50) NOT NULL,
[DateStamp] [datetime] NOT NULL,
CONSTRAINT [PK_History] PRIMARY KEY CLUSTERED
(
[ID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON)
) ON [PRIMARY]
...
Do I have to Close() a SQLConnection before it gets disposed?
...rride void Dispose(bool disposing)
{
if (disposing)
{
this._userConnectionOptions = null;
this._poolGroup = null;
this.Close();
}
this.DisposeMe(disposing);
base.Dispose(disposing);
}
...
What does the variable $this mean in PHP?
...P.html
Example:
<?php
class Person {
public $name;
function __construct( $name ) {
$this->name = $name;
}
};
$jack = new Person('Jack');
echo $jack->name;
This stores the 'Jack' string as a property of the object created.
...
How to encode a URL in Swift [duplicate]
..., underscore, and tilde.
unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
Later, in section 3.4, the RFC further contemplates adding ? and / to the list of allowed characters within a query:
The characters slash ("/") and question mark ("?") may represent data
within the query ...
Writing unit tests in Python: How do I start? [closed]
...est):
import unittest
class LearningCase(unittest.TestCase):
def test_starting_out(self):
self.assertEqual(1, 1)
def main():
unittest.main()
if __name__ == "__main__":
main()
Example 2 (pytest):
def test_starting_out():
assert 1 == 1
Assuming that both files are name...
Using a piano keyboard as a computer keyboard [closed]
...
@I__: Some programs try to talk directly to the keyboard device and so don't play nicely with "sendkeys"-like interfaces. Hopefully this is even less common now than some years ago when I last dealt with this, and so as I say, ...
Populating a ListView using an ArrayList?
... onCreate(Bundle saveInstanceState) {
setContentView(R.layout.your_layout);
lv = (ListView) findViewById(R.id.your_list_view_id);
// Instanciating an array list (you don't need to do this,
// you already have yours).
List<String> your_array_list ...
Compare two DataFrames and output their differences side-by-side
...True
dtype: bool
Then we can see which entries have changed:
In [23]: ne_stacked = (df1 != df2).stack()
In [24]: changed = ne_stacked[ne_stacked]
In [25]: changed.index.names = ['id', 'col']
In [26]: changed
Out[26]:
id col
1 score True
2 isEnrolled True
Comment True
...