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What is a serialVersionUID and why should I use it?
...fication is quite difficult to achieve; (b) to try a scheme such as custom read/writeObject() methods, readResolve/writeReplace() methods, serializableFields declarations, etc, to make sure that the stream remains compatible. Changing the actual serialVersionUID is a last resort, a counsel of despai...
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 does Duff's device work?
I've read the article on Wikipedia on the Duff's device , and I don't get it. I am really interested, but I've read the explanation there a couple of times and I still don't get it how the Duff's device works.
...
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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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 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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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...