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Why there is no ConcurrentHashSet against ConcurrentHashMap
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@Andrew, I think the motivation behind using a "ConcurrentSet" stems from not the API but rather the implementation - thread safety but without a universal lock - multiple concurrent reads for instance.
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How can I represent an infinite number in Python?
...= float("inf")
In Python 3.5, you can do:
import math
test = math.inf
And then:
test > 1
test > 10000
test > x
Will always be true. Unless of course, as pointed out, x is also infinity or "nan" ("not a number").
Additionally (Python 2.x ONLY), in a comparison to Ellipsis, float(inf...
String concatenation in Ruby
...trings you often can gain performance by appending the strings to an array and then at the end put the string together atomically. Then << could be useful?
– PEZ
Dec 18 '08 at 13:12
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How to find a hash key containing a matching value
... be an array of all the matching values, where each is an array of the key and value.
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How do I get the entity that represents the current user in Symfony2?
...ut the way to set up your providers in security.yml from Sf2 Documentation and try again.
Best luck!
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How do you input commandline argument in IntelliJ IDEA?
When I input commandline arguments,
In Eclipse, using with run configuration. But I don't Know How do i input commandline arguments in IntelliJ IDEA.
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How to get the clicked link's href with jquery?
...href="sibling_file.htm" then $(this).attr("href") returns sibling_file.htm and this.href returns https://example.com/folder/sibling_file.htm (which is what I'd expected and wanted.)
– Redzarf
Dec 16 '17 at 22:34
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Lint: How to ignore “ is not translated in ” errors?
I can't compile/debug our Android app, because the localization files are not perfect yet.
13 Answers
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Redirecting stdout to “nothing” in python
... of sufficiently large number of modules, each printing something to the standard output. Now as the project has grown in size, there are large no. of print statements printing a lot on the std out which has made the program considerably slower.
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Get total size of file in bytes [duplicate]
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This is a perfect answer, and I know I have done a bunch of weird things to get this in the past to get the size of a file. Wish I knew about this a long time ago!
– RESTfulGeoffrey
Jul 14 '18 at 7:08
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