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Aren't Python strings immutable? Then why does a + “ ” + b work?
...able, a, which points to the string, is mutable.
Consider:
a = "Foo"
# a now points to "Foo"
b = a
# b points to the same "Foo" that a points to
a = a + a
# a points to the new string "FooFoo", but b still points to the old "Foo"
print a
print b
# Outputs:
# FooFoo
# Foo
# Observe that b hasn't...
What's the purpose of git-mv?
... in parallel. At some point if we want to merge the projects how will git know that it's the same file just renamed it's path? (if "git mv" == "git add + git rm")
– Rose
Dec 27 '12 at 0:22
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How can I make a div not larger than its contents?
... It does not work on chrome for me with span, but works using white-space: nowrap;
– albanx
Jul 7 '12 at 20:07
58
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What text editor is available in Heroku bash shell? [closed]
...
Perfect. Now I can edit configs as needed
– Felipe
Jan 20 '18 at 4:56
4
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Is there any way to specify a suggested filename when using data: URI?
...
It does now but it wasn't always so easy. Many of these answers are from years ago. And they also work for other browsers.
– Holf
Oct 26 '13 at 10:09
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How does a Breadth-First Search work when looking for Shortest Path?
... @Shashank If we are not maintaining distance then how would we know the shortest distance,please explain more.
– Gaurav Sehgal
Apr 12 '15 at 19:17
12
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“Conversion to Dalvik format failed with error 1” on external JAR
...erly build it.
In other ways this may be occurred if you accidentally or knowingly edit/ add any thing in the class path file manually .In certain cases we may add android.jar path manually to classpath file for generating java doc.On removing the that after javadoc generated code will works fine.P...
Compare if BigDecimal is greater than zero
...omplete comment! I should at least write a proof of the arguments, my bad. Now I was looking for what happened, because I remember that I had to change things from "signum" to "compareTo" and I have no idea why. It was probably my mistake, as I did several tests now and I didn't find any problems wi...
How do I edit an incorrect commit message in git ( that I've pushed )?
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good answer. Do you know if you are now able to change already pushed commit messages in newer versions of git? Has anything changed since this was posted in '09?
– David West
Feb 5 '14 at 15:09
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How to stop /#/ in browser with react-router?
...outer>. From the histories documentation:
In a nutshell, a history knows how to listen to the browser's address bar for changes and parses the URL into a location object that the router can use to match routes and render the correct set of components.
Versions 2 and 3
In react-router 2 and...