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Get Image size WITHOUT loading image into memory
...; this function identifies the file, but the actual image data is not read from the file until you try to process the data (or call the load method).
Digging deeper, we see that .open calls _open which is a image-format specific overload. Each of the implementations to _open can be found in a new ...
Asynchronous method call in Python?
...nchronously with:
apply_async(func[, args[, kwds[, callback]]])
E.g.:
from multiprocessing import Pool
def f(x):
return x*x
if __name__ == '__main__':
pool = Pool(processes=1) # Start a worker processes.
result = pool.apply_async(f, [10], callback) # Evaluate "f(10)" ...
How do you get assembler output from C/C++ source in gcc?
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While this is correct, I found the results from Cr McDonough's answer to be more useful.
– Rhys Ulerich
Nov 3 '13 at 2:13
3
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Is there a better way to iterate over two lists, getting one element from each list for each iterati
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in case your Latitude and Longitude lists are large and lazily loaded:
from itertools import izip
for lat, lon in izip(latitudes, longitudes):
process(lat, lon)
or if you want to avoid the for-loop
from itertools import izip, imap
out = imap(process, izip(latitudes, longitudes))
...
Django, creating a custom 500/404 error page
...s there anything I should be checking for that would prevent a custom page from showing up?
14 Answers
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How can I create a UIColor from a hex string?
How can I create a UIColor from a hexadecimal string format, such as #00FF00 ?
47 Answers
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What's the difference between tilde(~) and caret(^) in package.json?
...versions, without incrementing the minor version. ~1.2.3 will use releases from 1.2.3 to <1.3.0.
^version “Compatible with version”, will update you to all future minor/patch versions, without incrementing the major version. ^2.3.4 will use releases from 2.3.4 to <3.0.0.
See Comments be...
Handle file download from ajax post
... would navigate the browser to the POST URL. I don't want to navigate away from the page. I want to perform the request in the background, process the response and present it to the client.
– Pavle Predic
Apr 18 '13 at 15:30
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How to pass the values from one activity to previous activity
How do I pass a value from one screen to its previous screen?
6 Answers
6
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How to pass JVM options from bootRun
...temProperties instead of jvmArgs
If you want to conditionally add jvmArgs from the command line you can do the following:
bootRun {
if ( project.hasProperty('jvmArgs') ) {
jvmArgs project.jvmArgs.split('\\s+')
}
}
gradle bootRun -PjvmArgs="-Dwhatever1=value1 -Dwhatever2=value2"
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