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What is the difference between save and insert in Mongo DB?
... essentially do an upsert (update if it finds the doc, insert otherwise):
http://docs.mongodb.org/manual/reference/method/db.collection.save/#db.collection.save
Insert is just that, a straight insert.
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Passing argument to alias in bash [duplicate]
...lpr \!* -Pps5'
print part1.ps glossary.ps figure.ps
(Examples taken from http://unixhelp.ed.ac.uk/shell/alias_csh2.1.html .)
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Coalesce function for PHP?
...echo '' ?: 'B';
// B
echo false ?: 'B';
// B
echo null ?: 'B';
Source: http://www.php.net/ChangeLog-5.php#5.3.0
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Python time measure function
... need is to wrap your function up using decorators. More explanation here: http://www.pythoncentral.io/time-a-python-function/
The only case where you might be interested in writing your own timing statements is if you want to run a function only once and are also want to obtain its return value.
...
Can I set max_retries for requests.request?
... count, use alternative transport adapters:
from requests.adapters import HTTPAdapter
s = requests.Session()
s.mount('http://stackoverflow.com', HTTPAdapter(max_retries=5))
The max_retries argument takes an integer or a Retry() object; the latter gives you fine-grained control over what kinds of...
MongoDB/Mongoose querying at a specific date?
...se following approach for API method to get results from specific day:
# [HTTP GET]
getMeals: (req, res) ->
options = {}
# eg. api/v1/meals?date=Tue+Jan+13+2015+00%3A00%3A00+GMT%2B0100+(CET)
if req.query.date?
date = new Date req.query.date
date.setHours 0, 0, 0, 0
endDate = ne...
Any gotchas using unicode_literals in Python 2.6?
...acter '\xc3' in file mumble.py on line 198,
but no encoding declared; see http://www.python.org/peps/pep-0263.html
for details
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How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
...ss.errorHandler());
});
app.listen(8888);
console.log('express running at http://localhost:%d', 8888);
You could, of course, package the function up into a module so you can do something like
// cors.js
module.exports = function() {
return function(req, res, next) {
res.header("Access-Con...
JavaScript pattern for multiple constructors
...to make an object that can effectively create the other objects you want.
http://en.wikipedia.org/w/index.php?title=Factory_method_pattern&oldid=363482142#Javascript
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How do I install cygwin components from the command line?
...ately, but it is not entirely stable and
relies on workarounds.
apt-cyg: http://github.com/transcode-open/apt-cyg
Check out the issues tab for the project to see the known problems.
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