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How to get element by class name? [duplicate]
... first one use:
document.getElementsByClassName('class_name')[0]
UPDATE
Now you can use:
document.querySelector(".class_name") to get the first element with the class_name CSS class (null will be returned if non of the elements on the page has this class name)
or document.querySelectorAll(".cla...
How can I stop a running MySQL query?
I connect to mysql from my Linux shell. Every now and then I run a SELECT query that is too big. It prints and prints and I already know this is not what I meant. I would like to stop the query.
...
How to upload, display and save images using node.js and express [closed]
... For anybody looking to access 'req.files' or 'req.body', body-parser now only handles JSON, check out github.com/expressjs/multer
– Scott Meyers
Feb 25 '15 at 23:58
5
...
NumPy: function for simultaneous max() and min()
...tine minmax2
Compile it via:
f2py -m untitled -c fortran_code.f90
And now we're in a place where we can test it:
import timeit
size = 100000
repeat = 10000
print timeit.timeit(
'np.min(a); np.max(a)',
setup='import numpy as np; a = np.arange(%d, dtype=np.float32)' % size,
number=...
Where can I learn how to write C code to speed up slow R functions? [closed]
...t's the best resource for learning how to write C code for use with R? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R?
...
Log exception with traceback
...except:
logging.exception('Got exception on main handler')
raise
Now looking at the log file, /tmp/logging_example.out:
DEBUG:root:This message should go to the log file
ERROR:root:Got exception on main handler
Traceback (most recent call last):
File "/tmp/teste.py", line 9, in <modu...
Set up DNS based URL forwarding in Amazon Route53 [closed]
...ekmchawla.com".
Select whatever region works best for you. If you don't know, keep the default.
Don't worry about setting up logging. Just click the "Create" button when you're ready.
Step 3: Enable Static Website Hosting and Specify Routing Rules
In the properties window, open the set...
Bootstrap 3 and Youtube in Modal
...ared modal template with the data from the trigger. See Below and let me know what you think. I would love to hear thoughts...
HTML MODAL TRIGGER:
<a href="#" class="btn btn-default" data-toggle="modal" data-target="#videoModal" data-theVideo="http://www.youtube.com/embed/loFtozxZG0s" >VI...
Resize image in PHP
...pled($dst, $src, 0, 0, 0, 0, $w, $h, $width, $height);
return $dst;
}
Now let's handle the upload part.
First step, upload the file to your desired directory. Then called one of the above functions based on file type (jpg, png or gif) and pass the absolute path of your uploaded file as below:
...
Async/await vs BackgroundWorker
...an use async/await with, BackgroundWorker is creating the thread for you.
Now, you could use TPL instead:
var synchronizationContext = TaskScheduler.FromCurrentSynchronizationContext();
Task.Factory.StartNew(() =>
{
int i = 0;
...