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Programmatically generate video or animated GIF in Python?
...longer movies, use the streaming approach:
import imageio
with imageio.get_writer('/path/to/movie.gif', mode='I') as writer:
for filename in filenames:
image = imageio.imread(filename)
writer.append_data(image)
...
Python: avoid new line with print command [duplicate]
...thon 3. To suppress the space character as well, you can either use
from __future__ import print_function
to get access to the Python 3 print function or use sys.stdout.write().
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Practical usage of setjmp and longjmp in C
...y to verify that).
#include <stdio.h>
#include <setjmp.h>
jmp_buf bufferA, bufferB;
void routineB(); // forward declaration
void routineA()
{
int r ;
printf("(A1)\n");
r = setjmp(bufferA);
if (r == 0) routineB();
printf("(A2) r=%d\n",r);
r = setjmp(buffer...
What is the easiest way to ignore a JPA field during persistence?
...
This answer comes a little late, but it completes the response.
In order to avoid a field from an entity to be persisted in DB one can use one of the two mechanisms:
@Transient - the JPA annotation marking a field as not persistable
transient keyword in java. Beware - using this keyword, w...
What is the syntax rule for having trailing commas in tuple definitions?
...
Another reason that this exists is that it makes code generation and __repr__ functions easier to write. For example, if you have some object that is built like obj(arg1, arg2, ..., argn), then you can just write obj.__repr__ as
def __repr__(self):
l = ['obj(']
for arg in obj.args: #...
Django TemplateDoesNotExist?
...
First solution:
These settings
TEMPLATE_DIRS = (
os.path.join(SETTINGS_PATH, 'templates'),
)
mean that Django will look at the templates from templates/ directory under your project.
Assuming your Django project is located at /usr/lib/python2.5/site-package...
A proper wrapper for console.log with correct line number?
...e in FF and Chrome.
Testing in fiddle: http://jsfiddle.net/drzaus/pWe6W/
_log = (function (undefined) {
var Log = Error; // does this do anything? proper inheritance...?
Log.prototype.write = function (args) {
/// <summary>
/// Paulirish-like console.log wrapper. In...
How do I get an animated gif to work in WPF?
...e gif has 10 frames per second.
class GifImage : Image
{
private bool _isInitialized;
private GifBitmapDecoder _gifDecoder;
private Int32Animation _animation;
public int FrameIndex
{
get { return (int)GetValue(FrameIndexProperty); }
set { SetValue(FrameIndexProp...
Hash function that produces short hashes?
...ike the accepted answer):
import base64
import hashlib
import uuid
unique_id = uuid.uuid4()
# unique_id = UUID('8da617a7-0bd6-4cce-ae49-5d31f2a5a35f')
hash = hashlib.sha1(str(unique_id).encode("UTF-8"))
# hash.hexdigest() = '882efb0f24a03938e5898aa6b69df2038a2c3f0e'
result = base64.b64encode(has...
How to replace spaces in file names using a bash script
...ystem already. Do it in two steps:
find -name "* *" -type d | rename 's/ /_/g' # do the directories first
find -name "* *" -type f | rename 's/ /_/g'
Based on Jürgen's answer and able to handle multiple layers of files and directories in a single bound using the "Revision 1.5 1998/12/18 16:1...