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PHP multidimensional array search by value
...rform the search (until it finds a match). The newer solution is easier to read, more concise, but the OP specifically brought up performance as an issue
– BeetleJuice
Jul 27 '17 at 17:19
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“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning
...sing something different than it expects.
Besides, NSString objects are already immutable, so making them const NSString is meaningless.
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How to make connection to Postgres via Node.js
...ostgresql.conf I have listen_addresses = '*'. For production setups please read the docs through to make sure you aren't opening holes anywhere. I use this in my dev setup so I'm fine in allow any machine connect.
– Kuberchaun
Oct 9 '12 at 18:08
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How to call a parent method from child class in javascript?
...from ChildObject's myMethod, I've got an error "Uncaught TypeError: Cannot read property 'call' of undefined".
– zhekaus
Mar 10 '16 at 20:58
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Why are Python's 'private' methods not actually private?
...: "sure". If you think you understand the situation, perhaps you have even read it, then all we can say is "good luck!".
Remember, encapsulation is not even weakly related to "security", or keeping the kids off the lawn. It is just another pattern that should be used to make a code base easier to u...
How to get a user's client IP address in ASP.NET?
...router using NAT will have the same IP address. I really think you need to read up on this, see link in my edit.
– Steve
Apr 11 '09 at 16:16
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How to initialize an array's length in JavaScript?
Most of the tutorials that I've read on arrays in JavaScript (including w3schools and devguru ) suggest that you can initialize an array with a certain length by passing an integer to the Array constructor using the var test = new Array(4); syntax.
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What is __pycache__?
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__pycache__ is a folder containing Python 3 bytecode compiled and ready to be executed.
I don't recommend routinely deleting these files or suppressing creation during development as it may hurt performance. Just have a recursive command ready (see below) to clean up when needed as bytecod...
Why can a function modify some arguments as perceived by the caller, but not others?
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You've got a number of answers already, and I broadly agree with J.F. Sebastian, but you might find this useful as a shortcut:
Any time you see varname =, you're creating a new name binding within the function's scope. Whatever value varname was bound to b...
Rails raw SQL example
...s and payment_errors tables, then have a model for the view (which will be read-only). Some DBs support materialized views, which might be a good idea for performance.
Also consider hardware or VM specs on Rails server and DB server, config, disk space, network speed/latency/etc., proximity, etc. A...