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Unable to resolve host “”; No address associated with hostname [closed]
In my Android application for reading RSS links, I am getting this error:
17 Answers
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How to run a program without an operating system?
...on: it can be done.
It's often referred to as "bare metal programming".
To read from flash drive, you want to know what's USB, and you want to have some driver to work with this USB. The program on this drive would also have to be in some particular format, on some particular filesystem... This is s...
ActiveRecord: size vs count
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You should read that, it's still valid.
You'll adapt the function you use depending on your needs.
Basically:
if you already load all entries, say User.all, then you should use length to avoid another db query
if you haven't anythin...
How can I decompress a gzip stream with zlib?
...ngIO(gzip_data)
>>> f = gzip.GzipFile(fileobj=fio)
>>> f.read()
'test'
>>> f.close()
automatic header detection (zlib or gzip)
adding 32 to windowBits will trigger header detection
>>> zlib.decompress(gzip_data, zlib.MAX_WBITS|32)
'test'
>>> zlib.deco...
What is a semaphore?
...emaphore is a programming concept that is frequently used to solve multi-threading problems. My question to the community:
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How to send data to local clipboard from a remote SSH session
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I'm resurrecting this thread because I've been looking for the same kind of solution, and I've found one that works for me. It's a minor modification to a suggestion from OSX Daily.
In my case, I use Terminal on my local OSX machine to connect to a...
Compression/Decompression string with C#
... {
byte[] bytes = new byte[4096];
int cnt;
while ((cnt = src.Read(bytes, 0, bytes.Length)) != 0) {
dest.Write(bytes, 0, cnt);
}
}
public static byte[] Zip(string str) {
var bytes = Encoding.UTF8.GetBytes(str);
using (var msi = new MemoryStream(bytes))
using (v...
Coding Style Guide for node.js apps? [closed]
...t's got a hell of a lot of information in a concise / small book - a heavy read, but one of the best books I've read.
– Alex KeySmith
Mar 31 '11 at 9:12
add a comment
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How does Python's super() work with multiple inheritance?
...itance starts crossing paths (for example if First inherited from Second). Read the link above for more details, but, in a nutshell, Python will try to maintain the order in which each class appears on the inheritance list, starting with the child class itself.
So, for instance, if you had:
class ...
How do I get the RootViewController from a pushed controller?
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The 2nd line should read: UIViewController *rootViewController = [viewControllers objectAtIndex:viewControllers.count - 1];
– Billy
May 19 '16 at 19:44
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