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Dynamically updating plot in matplotlib
...rame(jk.Graph(name="test", size=(500, 500), pos=(50, 50), fmt="go-", xnpts=10000, xnptsmax=10000, xylim=(None, None, 0, 1)))
@_infinite_loop(wait_time=0.2)
def _generate_data(self): # function looped every 0.2 second to read or produce data
"""
Loop starting with the simula...
Math functions in AngularJS bindings
...scope.percentage).toEqual(50);
$scope.count = 497;
$scope.total = 10000;
$scope.updatePercentage();
expect($scope.percentage).toEqual(5); //4.97% rounded up.
$scope.count = 231;
$scope.total = 10000;
$scope.updatePercentage();
expect($scope.percentage).toEqual(2); /...
Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
...ide note is that the following two loops do not execute the same:
for i=1:10000
% do something
end
for i=[1:10000]
% do something
end
The first loop creates a variable i that is a scalar and it iterates it like a C for loop. Note that if you modify i in the loop body, the modified value will...
“Cloning” row or column vectors
...
Upvote! On my system, for a vector with 10000 elements repeated 1000 times, the tile method is 19.5 times faster than the method in the currently accepted answer (using the multiplication-operator-method).
– Dr. Jan-Philip Gehrcke
...
jQuery: How can i create a simple overlay?
... -moz-opacity:0.5;
-khtml-opacity: 0.5;
opacity: 0.5;
z-index: 10000;
}
This will be your jQuery code (no UI needed). You're just going to create a new element with the ID #overlay. Creating and destroying the DIV should be all you need.
var overlay = jQuery('<div id="overlay"> ...
Multiprocessing - Pipe vs Queue
... of this answer...
mpenning@mpenning-T61:~$ python multi_pipe.py
Sending 10000 numbers to Pipe() took 0.0369849205017 seconds
Sending 100000 numbers to Pipe() took 0.328398942947 seconds
Sending 1000000 numbers to Pipe() took 3.17266988754 seconds
mpenning@mpenning-T61:~$ python multi_queue.py
Se...
Large, persistent DataFrame in pandas
...initially tried the chunksize parameter (even with quite small values like 10000), but it didn't help much; had still technical issues with the memory size (my CSV was ~ 7.5 Gb).
Right now, I just read chunks of the CSV files in a for-loop approach and add them e.g., to an SQLite database step by ...
Stopping python using ctrl+c
...port win_ctrl_c
# do something that will block
def work():
time.sleep(10000)
t = threading.Thread(target=work)
t.daemon = True
t.start()
#install handler
install_handler()
# now block
t.join()
#Ctrl+C works now!
Solution 3: Polling method
I don't prefer or recommend this method be...
Programmatically obtain the Android API level of a device?
...roid 9 Pie
29 Q Android 10 Q
10000 CUR_DEVELOPMENT Current Development Version
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Python dictionary: Get list of values for list of keys
..., 1:11, 2:12, 3:13}
In[3]: %timeit [m[_] for _ in l] # list comprehension
1000000 loops, best of 3: 762 ns per loop
In[4]: %timeit map(lambda _: m[_], l) # using 'map'
1000000 loops, best of 3: 1.66 µs per loop
In[5]: %timeit list(m[_] for _ in l) # a generator expression passed to a list constr...