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Shell equality operators (=, ==, -eq)
...-eq causes the strings to be interpreted as integers if possible including base conversion:
$ [[ "0x10" -eq 16 ]]; echo $?
0
$ [[ "010" -eq 8 ]]; echo $?
0
$ [[ "100" -eq 100 ]]; echo $?
0
And 0 if Bash thinks it is just a string:
$ [[ "yes" -eq 0 ]]; echo $?
0
$ [[ "yes" -eq 1 ]]; echo $?
1
S...
What are the mechanics of short string optimization in libc++?
...ng
Note: __compressed_pair is essentially a pair optimized for the Empty Base Optimization, aka template <T1, T2> struct __compressed_pair: T1, T2 {};; for all intents and purposes you can consider it a regular pair. Its importance just comes up because std::allocator is stateless and thus e...
Implementing MVC with Windows Forms
... I have seen are (including most combinations):
Directly talk to the database (2 tier)
Use a backend that has been written for the given application (3 tier)
Use a set of web services that were written for use by many applications and can’t be changed for your application. (Service-oriented arch...
node.js child process - difference between spawn & fork
...n essentially create multiple workers, running on the exact same Node code base, or perhaps a different module for a specific task. This is most useful for creating a worker pool. While node's async event model allows a single core of a machine to be used fairly efficiently, it doesn't allow a nod...
Correct use for angular-translate in controllers
...ppening is that Angular-translate is watching the expression with an event-based system, and just as in any other case of binding or two-way binding, an event is fired when the data is retrieved, and the value changed, which obviously doesn't work for translation. Translation data, unlike other dyn...
Streaming a video file to an html5 video player with Node.js so that the video controls continue to
... Hi, tungd, thanks for responding! the use case is a raspberry pi based device that will act as a media distribution platform for educational content developers. We are free to choose the encryption algorithm, the key will be in firmware - but memory is limited to 1GB RAM and the content si...
Is there a wikipedia API just for retrieve content summary?
...low has over 2,700,000 registered users and more than 7,100,000 questions. Based on the type of tags assigned to questions, the top eight most discussed topics on the site are: Java, JavaScript, C#, PHP, Android, jQuery, Python and HTML."
}
}
}
}
Documentation: API: query/pr...
client secret in OAuth 2.0
...er.
Yes there is a real possibility for this and there were some exploits based on this. Suggestion is not to keep the app secret in your app, there is even part in the spec that distributed apps should not use this token. Now you might ask, but XYZ requires it in order to work. In that case they a...
Difference between len() and .__len__()?
...
Sadly, this another example of the lack of a common base class for objects in Python. Syntactic context switching has always been nutty. In some cases it is common idiom to use an underscore method, in others one should use something like a function to do something common to m...
Is ServiceLocator an anti-pattern?
...o be DI ready. So if you want to start introducing DI to an existing code base it is often the case that you will change things to become DI services slowly, and the code that references these services will often NOT be DI services. Hence THOSE services will need to use the Service Locator in orde...