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Best way to generate random file names in Python
... to prepend to a file(name) that I'm saving to a server, just to make sure it does not overwrite. Thank you!
11 Answers
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How to write header row with csv.DictWriter?
Assume I have a csv.DictReader object and I want to write it out as a CSV file. How can I do this?
3 Answers
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ios app maximum memory budget
...think you've answered your own question: try not to go beyond the 70 Mb limit, however it really depends on many things: what iOS version you're using (not SDK), how many applications running in background, what exact memory you're using etc.
Just avoid the instant memory splashes (e.g. you're usin...
Generating a PNG with matplotlib when DISPLAY is undefined
I am trying to use networkx with Python. When I run this program it get this error. Is there anything missing?
12 Answers
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Calculate distance between two points in google maps V3
...
If you want to calculate it yourself, then you can use the Haversine formula:
var rad = function(x) {
return x * Math.PI / 180;
};
var getDistance = function(p1, p2) {
var R = 6378137; // Earth’s mean radius in meter
var dLat = rad(p2.lat()...
VIM: Deleting from current position until a space
Often when developing I am confronted with a nested object that I'd like to delete from code in the middle of a line like this:
...
Black transparent overlay on image hover with only CSS?
...t black overlay to an image whenever the mouse is hovering over the image with only CSS. Is this possible? I tried this:
...
Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
...
Try this
Change the order of files it should be like below..
<script src="js/jquery-1.11.0.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/wow.min.js"></script>
...
Two submit buttons in one form
I have two submit buttons in a form. How do I determine which one was hit serverside?
19 Answers
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How to validate an Email in PHP?
...he filter_var() function, which gives you a lot of handy validation and sanitization options.
filter_var($email, FILTER_VALIDATE_EMAIL)
PHP Manual filter_var()
Available in PHP >= 5.2.0
If you don't want to change your code that relied on your function, just do:
function isValidEmail($emai...