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Variable interpolation in the shell
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What is the difference between using ${} and double quotes? Should I prefer one over the other?
– user31389
Mar 10 '18 at 10:49
3
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Max length for client ip address [duplicate]
...are 0-255, i.e., one byte). But then you would have to translate going in and out of the DB and that's messy.
IPv6 addresses are 128 bits (as opposed to 32 bits of IPv4 addresses). They are usually written as 8 groups of 4 hex digits separated by colons: 2001:0db8:85a3:0000:0000:8a2e:0370:7334. ...
How to write string literals in python without having to escape them?
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Understood. And if a 'split()' is used on this string, will it split by lines by default?
– MadPhysicist
Apr 28 '17 at 19:37
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Concatenating two lists - difference between '+=' and extend()
... Maybe the difference has more implications when it comes to ducktyping and if your maybe-not-really-a-list-but-like-a-list supports .__iadd__()/.__add__()/.__radd__() versus .extend()
– Nick T
Dec 15 '14 at 22:21
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How do you implement an async action delegate method?
I am learning the Web API stack and I am trying to encapsulate all data in the form of a "Result" object with parameters such as Success and ErrorCodes.
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Is there a HTML opposite to ?
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Not allowed in the xhtml standard at least.
– Dykam
Aug 4 '09 at 19:56
29
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/usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found
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I'm compiling gcc 4.6 from source, and apparently
sudo make install
didn't catch this one. I dug around and found
gcc/trunk/x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs/libstdc++.so.6.0.15
I copied it in to /usr/lib and redirected libstdc++.so.6 to p...
Method Resolution Order (MRO) in new-style classes?
...lasses to demonstrate how methods are resolved in classic resolution order and
how is it different with the new order.
4...
What is meant by Ems? (Android TextView)
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android:ems or setEms(n) sets the width of a TextView to fit a text of n 'M' letters regardless of the actual text extension and text size. See wikipedia Em unit
but only when the layout_width is set to "wrap_content". Other...
How do I run a Python program?
...ibook (which is obviously incomplete). We're working with Python novices, and had to help a few through exactly what you're asking!
Command-line Python in Windows:
Save your python code file somewhere, using "Save" or "Save as" in your editor. Lets call it 'first.py' in some folder, like "py...