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How to pick just one item from a generator?
... else:
do_generator_empty()
If you want "get just one element from the [once generated] generator whenever I like" (I suppose 50% thats the original intention, and the most common intention) then:
gen = myfunct()
while True:
...
if something:
for my_element in gen:
...
Django rest framework, use different serializers in the same ModelViewSet
...would like to provide two different serializers and yet be able to benefit from all the facilities of ModelViewSet :
6 Ans...
Multi-project test dependencies with gradle
...
In Gradle 1.8 you may want from sourceSets.test.output and possibly classifier = 'tests' in place of // pack whatever you need... in the answer
– Peter Lamberg
May 26 '14 at 16:30
...
How do I use the nohup command without getting nohup.out?
... it avoids another problem: if a background process tries to read anything from standard input, it will pause, waiting for you to bring it back to the foreground and type something. So the extra-safe version looks like this:
nohup command </dev/null >/dev/null 2>&1 & # completely d...
How to calculate cumulative normal distribution?
...
Here's an example:
>>> from scipy.stats import norm
>>> norm.cdf(1.96)
0.9750021048517795
>>> norm.cdf(-1.96)
0.024997895148220435
In other words, approximately 95% of the standard normal interval lies within two standard deviat...
Meaning of “[: too many arguments” error from if [] (square brackets)
... shells called by /bin/sh etc.
This means on some systems, it might work from the console but not when called elsewhere, like from cron, depending on how everything is configured.
It would look like this:
VARIABLE=$(/some/command);
if [[ $VARIABLE == 0 ]]; then
# some action
fi
If your com...
WebSockets vs. Server-Sent events/EventSource
...
Websockets connections can both send data to the browser and receive data from the browser. A good example of an application that could use websockets is a chat application.
SSE connections can only push data to the browser. Online stock quotes, or twitters updating timeline or feed are good examp...
Convert from MySQL datetime to another format with PHP
... does not work for who? Accepted answer will work if you want to convert from MySQL into mm/dd/yy H:M (AM/PM) as OP requested. Just because you want to do the opposite does not make accepted answer wrong.
– toxalot
Mar 13 '14 at 2:22
...
Swift days between two NSDates
...let flags = NSCalendarUnit.Day
let components = calendar.components(flags, fromDate: date1, toDate: date2, options: [])
components.day // This will return the number of day(s) between dates
Swift 3 and Swift 4 Version
let calendar = Calendar.current
// Replace the hour (time) of both dates wit...
How to determine one year from now in Javascript
I'm trying to get one year from now's date, and it's not working.
7 Answers
7
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