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Using OpenSSL what does “unable to write 'random state'” mean?
...the entry from the OpenSSL FAQ:
Sometimes the openssl command line utility does not abort with a "PRNG not seeded" error message, but complains that it is "unable to write 'random state'". This message refers to the default seeding file (see previous answer). A possible reason is that no default...
Redis is single-threaded, then how does it do concurrent I/O?
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Well it depends on how you define concurrency.
In server-side software, concurrency and parallelism are often considered as different concepts. In a server, supporting concurrent I/Os means the server is able to serve several cli...
What is the current choice for doing RPC in Python? [closed]
Actually, I've done some work with Pyro and RPyC, but there is more RPC implementation than these two. Can we make a list of them?
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Unbound classpath container in Eclipse
...ally, I would not do that).
Maybe some of the following work for you:
Edit the project's properties (right-click project, Properties, Java Build Path, Libraries, Remove and Add Library.
Import the project's files without the "project file"
Install JDK1.5 from http://java.sun.com/javase/downloads/...
How to change package name of Android Project in Eclipse?
...ame option, you can change or rename the package name.
When you press F2, it will show you the dialog box as:
In this dialog, don't forget to check the "Update references" checkbox because by making "check" to this check-box, it will make changes to all the references of the package which are re...
Git - push current branch shortcut
Is there a shortcut to tell Git to push the current tracking branch to origin?
Note: I know that I can change the default push behavior , but I am looking for an ad-hoc solution that does not change the default behavior.
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What is a StoryBoard ID and how can i use this?
...ed in Xcode 4.5. I saw for every viewController that i could set some identity variables including the storyboard ID. What is this and how can i use it?
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What is the advantage of using Restangular over ngResource?
ngResource already seems really simple to implement things with...
5 Answers
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What's the cleanest way of applying map() to a dictionary in Swift?
...4 includes a mapValues(_:) method which constructs a copy of a dictionary with the same keys, but different values. It also includes a filter(_:) overload which returns a Dictionary, and init(uniqueKeysWithValues:) and init(_:uniquingKeysWith:) initializers to create a Dictionary from an arbitrary s...
Concatenating two std::vectors
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If you have concatenating several vectors to one, is it helpful to call reserve on the destination vector first?
– Faheem Mitha
Feb 4 '12 at 23:07
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