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How can I check if a value is a json object?
My server side code returns a value which is a json object on success and a string 'false' on failure. Now how can I check whether the returned value is a json object?
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Storing time-series data, relational or non?
I am creating a system which polls devices for data on varying metrics such as CPU utilisation, disk utilisation, temperature etc. at (probably) 5 minute intervals using SNMP. The ultimate goal is to provide visualisations to a user of the system in the form of time-series graphs.
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Vertex shader vs Fragment Shader [duplicate]
I've read some tutorials regarding Cg, yet one thing is not quite clear to me.
What exactly is the difference between vertex and fragment shaders?
And for what situations is one better suited than the other?
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Extract first item of each sublist
I am wondering what is the best way to extract the first item of each sublist in a list of lists and append it to a new list. So if I have:
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How to get a reversed list view on a list in Java?
I want to have a reversed list view on a list (in a similar way than List#sublist provides a sublist view on a list). Is there some function which provides this functionality?
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In Git, how can I write the current commit hash to a file in the same commit
I'm trying to do a fancy stuff here with Git hooks, but I don't really know how to do it (or if it's possible).
7 Answers
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Separation of business logic and data access in django
I am writing a project in Django and I see that 80% of the code is in the file models.py . This code is confusing and, after a certain time, I cease to understand what is really happening.
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Avoid browser popup blockers
I'm developing an OAuth authentication flow purely in JavaScript and I want to show the user the "grant access" window in a popup, but it gets blocked.
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Is there a way to create multiline comments in Python?
I have recently started studying Python , but I couldn't find how to implement multi-line comments. Most languages have block comment symbols like
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#pragma pack effect
I was wondering if someone could explain to me what the #pragma pack preprocessor statement does, and more importantly, why one would want to use it.
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