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Example for boost shared_mutex (multiple reads/one write)?
I have a multithreaded app that has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updat...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...lds by numbers, and it is never an error at the library level if there are extra fields, and missing fields are not an error if they are marked optional or explicit. Thus all protocol buffers messages have EXTENSIBILITY IMPLIED.
– Kevin Cathcart
Apr 10 '12 at 1...
How to rename a table in SQL Server?
...tools that can do this for you. Or you can use a script that finds a given string in all these objects, and paste them as ALTER statements, and do a find-and-replace, then run them all.
– MGOwen
Apr 19 '17 at 6:33
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Why does the expression 0 < 0 == 0 return False in Python?
...o say 0 < x <= 5 than to say (0 < x) and (x <= 5).
These are called chained comparisons. And that's a link to the documentation for them.
With the other cases you talk about, the parenthesis force one relational operator to be applied before the other, and so they are no longer chained...
How would you implement an LRU cache in Java?
...gt; eldest) {
return super.size() > maxEntries;
}
}
Map<String, String> example = Collections.synchronizedMap(new LruCache<String, String>(CACHE_SIZE));
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StringFormat Localization issues in wpf
...FrameworkElement, so if you bind dates etc. to a Run then you will need an extra call for typeof(System.Windows.Documents.Run)
– Mat Fergusson
Jan 7 '15 at 13:49
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How to use SCNetworkReachability in Swift
...address", or use SCNetworkReachabilityCreateWithName() with a host name as string. But note that SCNetworkReachability only checks that a packet sent to that address can leave the local device. It does not guarantee that the data packet will actually be received by the host.
– ...
Meaning of $? (dollar question mark) in shell scripts
...are both true; [ without an operator checks if the argument is a non-empty string.
– tripleee
Jun 30 '19 at 17:05
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How to check if an object is a generator object in python?
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@JAB, @Piotr: Reflected to address all the possibilities of what the OP can mean , thanks JAB :)
– mouad
Jun 20 '11 at 19:57
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Team city unmet requirement: MSBuildTools12.0_x86_Path exists
I have a TeamCity install on x32 Server2008 windows machine. I've run the .net 4.5 web install. I've also copied over the files from my x64 machine based on this article so that I didn't need to install vs2012 (though, I did have the change the path to remove x86 on the 32bit machine):
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