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Aren't Python strings immutable? Then why does a + “ ” + b work?
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First a pointed to the string "Dog". Then you changed the variable a to point at a new string "Dog eats treats". You didn't actually mutate the string "Dog". Strings are immutable, variables can point at whatever they want.
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Restful API service
I'm looking to make a service which I can use to make calls to a web-based REST API.
11 Answers
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Overflow-x:hidden doesn't prevent content from overflowing in mobile browsers
...ite wrapper div inside the <body> and applying the overflow-x:hidden to the wrapper instead of the <body> or <html> fixed the issue.
It appears that browsers that parse the <meta name="viewport"> tag simply ignore overflow attributes on the html and body tags.
Note: You m...
A simple scenario using wait() and notify() in java
Can I get a complete simple scenario i.e. tutorial that suggest how this should be used, specifically with a Queue?
6 Answe...
What is Common Gateway Interface (CGI)?
... everything. It is so trivial and naive from the name. I feel that I understood this and I felt this every time I encountered this word. But frankly, I didn't. I'm still confused.
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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
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Well to answer conceptually, your timer should likely be a subclass of UIView instead of NSObject.
To instantiate an instance of your timer in IB simply drag out a UIView drop it on your view controller's view, and set it's class...
How to remove items from a list while iterating?
I'm iterating over a list of tuples in Python, and am attempting to remove them if they meet certain criteria.
26 Answers
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How to prevent Node.js from exiting while waiting for a callback?
...t Queued
Node runs until all event queues are empty. A callback is added to an event queue when a call such as
emmiter1.on('this_event',callback).
has executed. This call is part of the code written by the module developer .
If a module is a quick port from a synchronous/blocking version, ...
Clang vs GCC - which produces faster binaries? [closed]
...vered Clang recently and I'm pondering switching. There is one deciding factor though - quality (speed, memory footprint, reliability) of binaries it produces - if gcc -O3 can produce a binary that runs 1% faster, or Clang binaries take up more memory or just fail due to compiler bugs, it's a deal-...
What is a “feature flag”?
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A 'feature flag' (or Feature Toggle) is the ability to turn features (sub-sections) of your application on/off at easily:
perhaps via a re-deploy, or
some internal page where pages/features can be toggled live.
I guess the example there was that it'...