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How can I make the computer beep in C#?
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I just tested in Win 7 x64 RC, and although the internal speaker didn't beep, there was a beep through speakers when I had them plugged in and on. I guess it's just the internal (mobo) speaker that won't beep. Thanks for the info @Lck.
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R memory management / cannot allocate vector of size n Mb
...eate the object you need in one session.
If the above cannot help, get a 64-bit machine with as much RAM as you can afford, and install 64-bit R.
If you cannot do that there are many online services for remote computing.
If you cannot do that the memory-mapping tools like package ff (or bigmem...
“/usr/bin/ld: cannot find -lz”
...lib1g-dev did not fix it. Installing lib32z1-dev got me past it. I have a 64 bit system and it seems like it wanted the 32 bit library.
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How to find the installed pandas version
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to validate an e-mail address in swift?
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let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
return emailPred.evaluate(with: email)
}
for versions of Swift earlier than 3.0:
func isValidEmail(email: String) -> Bool {
let emailRe...
How to convert an IPv4 address into a integer in C#?
...ses. 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 need to swap it around).
For example, my local google.com is at 64.233.187.99. That's equivalent to:
64*2^24 + ...
avoid page break inside row of table
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Unfortunately this doesn't (yet) work with webkit based browsers.
– Attila Fulop
Mar 12 '13 at 19:17
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Platform independent size_t Format specifiers in c?
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What is causing “Unable to allocate memory for pool” in PHP?
...allowing only 32MB is ridiculously low. PHP was designed when servers were 64MB and most scripts were using one php file per page. Nowadays solutions like Magento require more than 10k files (~60Mb in APC). You should allow enough memory so most of php files are always cached. It's not a waste, it's...
What's the correct way to convert bytes to a hex string in Python 3?
... convenient transformations like quoted-printable (fits into 7bits ascii), base64 (fits into alphanumerics), hex escaping, gzip and bz2 compression. In Python 2, you could do:
b'foo'.encode('hex')
In Python 3, str.encode / bytes.decode are strictly for bytes<->str conversions. Instead, you...