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Using Node.JS, how do I read a JSON file into (server) memory?
...with Node.js and would like to read a JSON object, either from a text file or a .js file (which is better??) into memory so that I can access that object quickly from code. I realize that there are things like Mongo, Alfred, etc out there, but that is not what I need right now.
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Hidden features of Eclipse [closed]
... these things differently. What's some of the best time savers out there for this IDE.
Tom
73 Answers
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What are all the different ways to create an object in Java?
Had a conversation with a coworker the other day about this.
22 Answers
22
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How do I find the length of an array?
Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work.
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How to get the return value from a thread in python?
... provides a higher level API to threading, including passing return values or exceptions from a worker thread back to the main thread:
import concurrent.futures
def foo(bar):
print('hello {}'.format(bar))
return 'foo'
with concurrent.futures.ThreadPoolExecutor() as executor:
future = ...
Best practice for Python assert
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To be able to automatically throw an error when x become less than zero throughout the function. You can use class descriptors. Here is an example:
class LessThanZeroException(Exception):
pass
class variable(object):
def __init__(self, value=0):
s...
How to grep for two words existing on the same line? [duplicate]
How do I grep for lines that contain two input words on the line? I'm looking for lines that contain both words, how do I do that? I tried pipe like this:
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Do I really have a car in my garage? [duplicate]
...make the difference between Car and Boat in your garage, then you should store them in distinct structures.
For instance:
public class Garage {
private List<Car> cars;
private List<Boat> boats;
}
Then you can define methods that are specific on boats or specific on cars.
Why...
Repeat String - Javascript
What is the best or most concise method for returning a string repeated an arbitrary amount of times?
30 Answers
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Filter data.frame rows by a logical condition
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To select rows according to one 'cell_type' (e.g. 'hesc'), use ==:
expr[expr$cell_type == "hesc", ]
To select rows according to two or more different 'cell_type', (e.g. either 'hesc' or 'bj fibroblast'), use %in%:
expr[expr$cell_type %in% ...