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How does the keyword “use” work in PHP and can I import classes with it?
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@divine. The classes may be from 3rd party vendors
– Dayo
May 10 '17 at 17:57
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Type Checking: typeof, GetType, or is?
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Ah, so if I have a Ford class that derives from Car and an instance of Ford, checking "is Car" on that instance will be true. Makes sense!
– jasonh
Jun 11 '09 at 19:19
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How do I get the full url of the page I am on in C#
I need to be able to get at the full URL of the page I am on from a user control. Is it just a matter of concatenating a bunch of Request variables together? If so which ones? Or is there a more simpiler way?
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best way to preserve numpy arrays on disk
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From my experiences, hdf5 performances very slow reading and writing with chunk storage and compression enabled. For example, I've two 2-D arrays with shape (2500,000 * 2000) with chunk size (10,000 * 2000). A single write op...
Split list into smaller lists (split in half)
...:2], list[1::2]
list[::2] gets every second element in the list starting from the 0th element.
list[1::2] gets every second element in the list starting from the 1st element.
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How to determine the memory footprint (size) of a variable?
...elopment WEB server and allows you debug your scripts locally or remotely, from an IDE or console and its features are:
Remote and local debugging
Explicit and implicit activation
Call stack, including function calls, dynamic and static method calls, with their parameters
Navigation through the ...
Why always ./configure; make; make install; as 3 separate steps?
Every time you compile something from source, you go through the same 3 steps:
4 Answers
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
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As per the documentation: This allows you to switch from the default ASCII to other encodings such as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode.
This function is only available at Python start-up time, when Python scans th...
Save icon: Still a floppy disk? [closed]
...sesnts and why, there will come a time when they don't. Someday, 50 years from now, there will be people writing into some "The Answer Man" column with the question "What's the deal with that little square that means save?"
– Pesto
Jun 19 '09 at 19:19
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Extracting bits with a single multiplication
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00000000a00b0000 +
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000000a0ab0b0000
xxxxxxxxab......
From this approach you can extend to larger numbers and more bits.
One of the questions you asked was "can this be done with any number of bits?" I think the answer is "no", unless you allow several masking operations, or se...