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Regex to check whether a string contains only numbers [duplicate]
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If you want to test if a string is a parse-able number, including negatives and decimal: /^-?\d+\.?\d*$|^\d*\.?\d+$/
– SpYk3HH
Apr 5 '16 at 18:59
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Quickly reading very large tables as dataframes
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Thanks for the tips Richie. I did a little testing, and it seems that the performance gains with using the nrow and colClasses options for read.table are quite modest. For example, reading a ~7M row table takes 78s without the options, and 67s with the options. (note...
How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
I have test-unit installed and rspec installed (along with -core , -expectations , -mocks and -rails version 2.6.x). When I run the command rails new foo , it uses test-unit to generate the test stub files instead of rspec .
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Overriding class constants vs properties
...s it is being executed in. If you are using php5.3+ you might try static::TEST as static:: is inheritance-aware.
The difference is that static:: uses "late static binding". Find more information here:
http://php.net/manual/en/language.oop5.late-static-bindings.php
Here's a simple test script I ...
How to unit test abstract classes: extend with stubs?
I was wondering how to unit test abstract classes, and classes that extend abstract classes.
14 Answers
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Change default timeout for mocha
If we have a unit test file my-spec.js and running with mocha:
4 Answers
4
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Python unittest - opposite of assertRaises?
I want to write a test to establish that an Exception is not raised in a given circumstance.
10 Answers
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List columns with indexes in PostgreSQL
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Create some test data...
create table test (a int, b int, c int, constraint pk_test primary key(a, b));
create table test2 (a int, b int, c int, constraint uk_test2 unique (b, c));
create table test3 (a int, b int, c int, constraint uk_...
Getting the array length of a 2D array in Java
...ublic class Main {
public static void main(String args[]) {
int[][] test;
test = new int[5][];//'2D array'
for (int i=0;i<test.length;i++)
test[i] = new int[i];
System.out.println(Arrays.deepToString(test));
Object[] test2;
test2 = new Object[5];//array of obj...
What is the best testing framework to use with Node.js? [closed]
I have looked at the rather long list of testing frameworks at https://github.com/ry/node/wiki/modules#testing . What is the experience with these frameworks?
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