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How to call a Python function from Node.js
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Easiest way I know of is to use "child_process" package which comes packaged with node.
Then you can do something like:
const spawn = require("child_process").spawn;
const pythonProcess = spawn('python',["path/to/script.py", arg1, arg2, ...]);
Then all you have to do is make sure th...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...ting two separate Integer instances.
It is important to note that you are comparing references with Integer#valueOf, and if you are comparing a value that is larger than what the cache supports, it will not evaluate to true, even if the parsed values are equivalent (case in point: Integer.valueOf(...
Do while loop in SQL Server 2008
...ike DO-WHILE loop.
Examples are taken from here: http://blog.sqlauthority.com/2007/10/24/sql-server-simple-example-of-while-loop-with-continue-and-break-keywords/
Example of WHILE Loop
DECLARE @intFlag INT
SET @intFlag = 1
WHILE (@intFlag <=5)
BEGIN
PRINT @intFlag
SET @intFlag = ...
Can comments be used in JSON?
Can I use comments inside a JSON file? If so, how?
53 Answers
53
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Objective-C: difference between id and void *
...dditional semantic differences:
Under GC Only or GC Supported modes, the compiler will emit write barriers for references of type id, but not for type void *. When declaring structures, this can be a critical difference. Declaring iVars like void *_superPrivateDoNotTouch; will cause premature ...
How do I get and set Environment variables in C#?
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...ild system working using CMake. Now the software has a few dependencies. I compiled them myself and installed them on my system.
...
In Clojure, when should I use a vector over a list, and the other way around?
...de. Good thing answering your own questions is encouraged on Stackoverflow.com :D
I had a quick discussion with Rich Hickey, and here is the gist of it.
[12:21] <Raynes> Vectors aren't seqs, right?
[12:21] <rhickey> Raynes: no, but they are sequential
[12:21] <rhickey> ,(s...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
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See REASSIGN OWNED command
Note: As @trygvis mentions in the answer below, the REASSIGN OWNED command is available since at least version 8.2, and is a much easier method.
Since you're changing the ownership for all tables, you likely want ...
What are all the uses of an underscore in Scala?
...tten!
Example showing why foo(_) and foo _ are different:
This example comes from 0__:
trait PlaceholderExample {
def process[A](f: A => Unit)
val set: Set[_ => Unit]
set.foreach(process _) // Error
set.foreach(process(_)) // No Error
}
In the first case, process _ represents...