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How to write header row with csv.DictWriter?
...g (i.e. do-nothing) dict out of your fieldnames so that csv.DictWriter can convert it back to a list and pass it to a csv.writer instance.
(2) The documentation mentions "the underlying writer instance" ... so just use it (example at the end).
dw.writer.writerow(dw.fieldnames)
(3) Avoid the csv...
Numpy first occurrence of value greater than existing value
I have a 1D array in numpy and I want to find the position of the index where a value exceeds the value in numpy array.
7 A...
When is the init() function run?
....")
}
}
AnswerToLife() is guaranteed to run before init() is called, and init() is guaranteed to run before main() is called.
Keep in mind that init() is always called, regardless if there's main or not, so if you import a package that has an init function, it will be executed.
Additionally,...
What is the difference between \r and \n?
... transmitted as-is. But in text mode, there's a run-time translation that converts a special character to whatever the host platform needs for a new line (and vice versa).
Great, so what's the special character?
Well, that's implementation dependent, too, but there's an implementation-independent...
Multiline bash commands in makefile
...ipts within makefiles:
Escape the script's use of $ by replacing with $$
Convert the script to work as a single line by inserting ; between commands
If you want to write the script on multiple lines, escape end-of-line with \
Optionally start with set -e to match make's provision to abort on sub-c...
How to concatenate two MP4 files using FFmpeg?
...eg. I need this to be an automatic process hence why I chose ffmpeg. I'm converting the two files into .ts files and then concatenating them and then trying to encode that concated .ts file. The files are h264 and aac encoded and I'm hoping to keep the quality the same or as close to original as ...
What is the Invariant Culture?
...ture, then parsing will fail. However you can use the invariant culture to convert a number to a string and later parse it back from any computer with any culture set.
// Use some non-invariant culture.
CultureInfo nonInvariantCulture = new CultureInfo("en-US");
Thread.CurrentThread.CurrentCulture ...
python: Change the scripts working directory to the script's own directory
...dirname(abspath)
os.chdir(dname)
This takes the filename of your script, converts it to an absolute path, then extracts the directory of that path, then changes into that directory.
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Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c
...et('clientId'));
});
ga('send', 'pageview');
Also check out this code at Convert Google Analytics cookies to Local/Session Storage
This script will not set any cookies, but still track via google analytics. This will actually have the same effect on privacy as using cookies, because google still ...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
...ta = data
if error == nil {
// Convert the downloaded data in to a UIImage object
let image = UIImage(data: data!)
// Store the image in to our cache
self.previewImg[indexPath.row] = d...