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Is a Java string really immutable?
...ince they had to get evaluated for every string operation it meant slowing down every string operation just for the benefit of just one operation, a cheap substring.
– Holger
Jan 6 '14 at 19:32
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Comma in C/C++ macro
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Not sure why this is so far down, it's a much nicer solution than Mike Seymours. It's quick and simple and completely hidden from the user.
– iFreilicht
Apr 16 '16 at 0:07
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XPath contains(text(),'some string') doesn't work when used with node with more than one Text subnod
....
Your xpath expression was
//*[contains(text(),'ABC')]
To break this down,
* is a selector that matches any element (i.e. tag) -- it returns a node-set.
The [] are a conditional that operates on each individual node in that node set. It matches if any of the individual nodes it operates on ...
What's the difference between deque and list STL containers?
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Let me list down the differences:
Deque manages its elements with a
dynamic array, provides random
access, and has almost the same
interface as a vector.
List manages its elements as a
doubly linked list and does not
provide random acc...
Enterprise app deployment doesn't work on iOS 7.1
...ying to install the app. The error turns out to be:
Could not load non-https manifest URL: http://example.com/manifest.plist
Turns out that in iOS 7.1, the URL for the manifest.plist file has to be HTTPS, where we were using HTTP. Changing the URL to HTTPS resolved the problem.
I.e.
itms-ser...
Is a Java hashmap search really O(1)?
...^100) is still O(n). I get your point about efficiency bringing then ratio down but that still puts the algorithm at O(n).
– paxdiablo
Jun 28 '09 at 16:59
5
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Is there a link to GitHub for downloading a file in the latest release of a repository?
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A few years late, but I just implemented a simple redirect to support https://github.com/USER/PROJECT/releases/latest/download/package.zip. That should redirected to the latest tagged package.zip release asset. Hope it's handy!
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.NET - Dictionary locking vs. ConcurrentDictionary
... I read this article, even though it's all true, that somehow we are going down the wrong path.
– scope_creep
Sep 8 '10 at 21:43
19
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Python int to binary string?
...e:
prefix "0" to strVal
divide intVal by two, rounding down
return strVal
which will construct your binary string based on the decimal value. Just keep in mind that's a generic bit of pseudo-code which may not be the most efficient way of doing it though, with the iteration...
How can I make a time delay in Python? [duplicate]
...nds (15 ms) accuracy. Most versions of Linux on modern processors can get down to 0.001 seconds (1 ms) granularity.
– SDsolar
Mar 31 '18 at 0:07
3
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