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How to trim a string to N chars in Javascript?
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.substring(from, to) takes indices. .substr(from, length) does not, Also .substr() used to have an inconsistency in IE when the first argument is negative.
– Bob Stein
Jun 13 '19 at 12:24
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Asynchronous Requests with Python requests
...request
Call async.map on a list of all the requests / actions
Example:
from requests import async
# If using requests > v0.13.0, use
# from grequests import async
urls = [
'http://python-requests.org',
'http://httpbin.org',
'http://python-guide.org',
'http://kennethreitz.com'...
How to Implement DOM Data Binding in JavaScript
...Very clean approach, very simply put and simple enough for people to learn from, a lot cleaner than what I had. A common use case is using templates in code to represent objects' views. I was wondering how this might work here? In engines like Mustache I do something Mustache.render(template,object)...
Automatic prune with Git fetch or pull
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To accommodate users who want to either prune always or when fetching from a particular remote, add two new configuration variables "fetch.prune" and "remote.<name>.prune":
"fetch.prune" allows to enable prune for all fetch operations.
"remote.<name>.prune" allows to chang...
Should I use `import os.path` or `import os`?
... Wow, os.py does indeed inject into sys.modules['os.path']. So this is why from os.path import something actually works. I was curious about when this was introduced and checked the source. Fun fact: This is from 1999, first included in Python 1.5.2. Original commit is here.
– ...
Very large matrices using Python and NumPy
NumPy is an extremely useful library, and from using it I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memo...
Member '' cannot be accessed with an instance reference
...MyItem.Property1
to refer to that property or remove the static modifier from Property1 (which is what you probably want to do). For a conceptual idea about what static is, see my other answer.
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How to change a command line argument in Bash?
...ded to the two (hence the 2 in the notation) positional arguments starting from offset 1 (i.e. $1). It is a shorthand for "$1" "$2" in this case, but it is much more useful when you want to replace e.g. "${17}".
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PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...y string, some redirection, some aliases, on different operating systems, from CLI vs SERVER, etc.
– user2066805
Dec 15 '15 at 22:35
4
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Check if $_POST exists
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if( isset($_POST['fromPerson']) )
{
$fromPerson = '+from%3A'.$_POST['fromPerson'];
echo $fromPerson;
}
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