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Concatenating two lists - difference between '+=' and extend()
...ADD.
Try the following code a few times (for Python 3):
import time
def test():
x = list(range(10000000))
y = list(range(10000000))
z = list(range(10000000))
# INPLACE_ADD
t0 = time.process_time()
z += x
t_inplace_add = time.process_time() - t0
# ADD
t0 = tim...
How to validate a url in Python? (Malformed or not)
...k the code, regexp is quite good actually: validators.readthedocs.io/en/latest/_modules/validators/…
– Drachenfels
Sep 6 '17 at 14:17
2
...
Spring @Transactional - isolation, propagation
...art in the same transaction.
We can easily verify the behaviour with a test and see how results differ with propagation levels:
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations="classpath:/fooService.xml")
public class FooServiceTests {
private @Autowired Transaction...
VB.NET equivalent to C# var keyword [duplicate]
...
You can simply use x.GetType() in VB – I hadn’t tested my answer’s code, hence the mistake in my old answer. This actually yields the runtime type which can differ from what you get using GetType(T), though. Finally, Strict On if course not required for this to work, but...
How to scroll to top of page with JavaScript/jQuery?
...InputMethodContext && !!document.documentMode;
var isEdge = /Edge/.test(navigator.userAgent);
if(isIE11 || isEdge) {
setTimeout(function(){ window.scrollTo(0, 0); }, 300); // adjust time according to your page. The better solution would be to possibly tie into some event and trigger onc...
How to check if an object is an array?
...'[object Array]' ) {
alert( 'Array!' );
}
Or you could use typeof to test if it is a String:
if( typeof someVar === 'string' ) {
someVar = [ someVar ];
}
Or if you're not concerned about performance, you could just do a concat to a new empty Array.
someVar = [].concat( someVar );
The...
Authorize a non-admin developer in Xcode / Mac OS
... below should be executed asynchronously prior to launching your automated test:
osascript <script name> <password> &
Here is the script:
on run argv
# Delay for 10 seconds as this script runs asynchronously to the automation process and is kicked off first.
delay 10
...
A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
... is easy to avoid this kind of wasted time. Second, it might be faster to test the size of the incoming strings and pass the result into the constructor of the StringBuilder... haven't test that but I suspect it might be a win... if you really care about "fast".
– BPS
...
Could I change my name and surname in all previous commits?
...s/git-filter-branch#_examples :
git filter-branch --env-filter '
if test "$GIT_AUTHOR_EMAIL" = "root@localhost"
then
GIT_AUTHOR_EMAIL=john@example.com
fi
if test "$GIT_COMMITTER_EMAIL" = "root@localhost"
then
GIT_COMMITTER_EMAIL=john@example.com
fi
' -- --a...
Android and in TextView
... add that to xml or in java code. Work fine in java code, in xml I haven't tested to much, but it should do the job.
– Mikooos
Jul 4 '11 at 7:52
...