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How to convert an IPv4 address into a integer in C#?
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32-bit unsigned integers are IPv4 addresses. Meanwhile, the IPAddress.Address property, while deprecated, is an Int64 that returns the unsigned 32-bit value of the IPv4 address (the catch is, it's in network byte order, so you n...
How to exit from Python without traceback?
...answer a lot and I'll be able to undo the downvote, and will gladly do so. Win-win for everyone :)
– MestreLion
Dec 7 '12 at 2:40
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Is a colon `:` safe for friendly-URL use?
...submitting a form with GET method. Whichever implemented in the real world wins at the end of the day.
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Get Folder Size from Windows Command Line
...ze% Bytes
However, this has several problems because cmd is limited to 32-bit signed integer arithmetic. So it will get sizes above 2 GiB wrong1. Furthermore it will likely count symlinks and junctions multiple times so it's at best an upper bound, not the true size (you'll have that problem with a...
How should I validate an e-mail address?
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I'm a bit confused why you start this answer with "Don't use a reg-ex" and then proceed to provide a reg-ex.
– howettl
Aug 1 '13 at 19:21
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How can I change the cache path for npm (or completely disable the cache) on Windows?
I've installed Node.js on my Windows 7 x64 development machine, the manual way:
5 Answers
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how to check the dtype of a column in python pandas
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I know this is a bit of an old thread but with pandas 19.02, you can do:
df.select_dtypes(include=['float64']).apply(your_function)
df.select_dtypes(exclude=['string','object']).apply(your_other_function)
http://pandas.pydata.org/pandas-do...
What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
...c=0 and m=2^64. (The modulus 2^64 is implicitly given by the overflow of 64bit long integers)
Because of the zero c and the power-of-2-modulus, the "quality" (cycle length, bit-correlation, ...) is limited. As the paper says, besides the overall cycle length, every single bit has an own cycle length...
Could not load file or assembly or one of its dependencies
...an download missings dll from google and copy in right path (in my case c:\windows\system32)
At this point, you must register the new dll in the GAC (Global Assembly Cache): open a DOS terminal and write:
cd \Windows\System32
regsvr32 /i msvcr71.dll
Restart your application!
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Reset C int array to zero : the fastest way?
...memset would set an integer to 0; there was no specific statement that all-bits-zero is a representation of 0. A Technical Corrigendum added such a guarantee, which is included in the 2011 ISO C standard. I believe that all-bits-zero is a valid representation of 0 for all integer types in all existi...