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In javascript, is an empty string always false as a boolean?
...pty String (its length is zero);
otherwise the result is true
Quote taken from http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
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What is the maximum float in Python?
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It seems sys.float_info is available starting from v2.6. How about v2.3-5?
– Aleksei Fedotov
Jan 23 '15 at 13:40
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jekyll markdown internal links
...d="my-funky-heading">My Funky Heading</h3>
You can link to this from within the same document by doing something like this:
The funky text is [described below](#my-funky-heading)
You can assign an explicit id if you prefer:
### My Funky Heading
{: #funky }
and link to it
The funky ...
What does the “-U” option stand for in pip install -U
...e all packages is it no longer neccesary to run something like: import pip from subprocess import call for dist in pip.get_installed_distributions(): call("pip install --upgrade " + dist.project_name, shell=True)
– zakdances
Sep 15 '12 at 6:54
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Cost of exception handlers in Python
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The excerpt you posted is from the Design and History FAQ.
– nitsas
Jan 22 '12 at 1:22
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.aspx vs .ashx MAIN difference
...shx pages?
I use ashx now when I need to handle a request that was called from code and returned with a response, but I would like a more technical answer please.
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How to tell Maven to disregard SSL errors (and trusting all certs)?
...under 'Global Execution Options' through the UI and I was able to download from repositories using https.
– Dan675
Oct 15 '17 at 23:11
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Find first element by predicate
...st()
.orElse(null);
I had to filter out only one object from a list of objects. So i used this, hope it helps.
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std::unique_ptr with an incomplete type won't compile
...a custom Deleter function precludes the use of std::make_unique (available from C++14), as already discussed here.
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What is the difference between RegExp’s exec() function and String’s match() function?
...e "index", the "index" it gives is really an nth occurrence, it's counting from 1. So you could derive the proper index by subtracting 1. And as you can see it gives 0 - lastIndex of 0 - for not found).
And if you want to stretch match, you can use it when you are capturing, but not when the regex ...