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Eclipse: enable assertions
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If you want to solve this issue globally for all JUnit tests then go to Preferences > Java > JUnit and at the top click the checkbox for "Add 'ea' to VM arguments when creating new JUnit launch configuration" Now Eclipse won't bug you for every new test you want to run. For...
Get a random boolean in python?
... 3: 4.65 usec per loop
$ python -m timeit -s "from random import random" "test = [random() < 0.5 for i in range(1000000)]"
10 loops, best of 3: 118 msec per loop
$ python -m timeit -s "import numpy as np" "test = np.random.randint(2, size=1000000)"
100 loops, best of 3: 6.31 msec per loop
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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Tested & Working Version
User.select(:first,:email).group(:first,:email).having("count(*) > 1")
Also, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the e...
Disable same origin policy in Chrome
...(or chromium) and restart with the --disable-web-security argument. I just tested this and verified that I can access the contents of an iframe with src="http://google.com" embedded in a page served from "localhost" (tested under chromium 5 / ubuntu). For me the exact command was:
Note : Kill all...
Get selected value in dropdown list using JavaScript
... looks like this:
<select id="ddlViewBy">
<option value="1">test1</option>
<option value="2" selected="selected">test2</option>
<option value="3">test3</option>
</select>
Running this code:
var e = document.getElementById("ddlViewBy");
var st...
Continuous Integration for Ruby on Rails? [closed]
... build artifacts aside from displaying links to them: you get no graphs of tests run, no trend lines, etc. I also had to adjust the routes.rb file to get the code linking working (the resources :projects line needs to move below all the other non-default routes).
TeamCity
This looks awesome, but t...
Why is string concatenation faster than array join?
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I know this is an old thread, but your test is incorrect. You are doing output += myarray[i]; while it should be more like output += "" + myarray[i]; because you've forgot, that you have to glue items together with something. The concat code should be something li...
Does Go provide REPL?
...d here, but the same speed makes REPL less necessary. Every time I want to test something in Go that I can't run in Playground I open a simple .go file and start coding and simply run the code. This will be even easier when the go command in Go 1 makes one-command build process possible and way easi...
Difference between webdriver.Dispose(), .Close() and .Quit()
...he driver object, ends the session and closes all browsers opened during a test whether the test fails or passes.
public IWebDriver Driver;
[SetUp]
public void SetupTest()
{
Driver = WebDriverFactory.GetDriver();
}
[TearDown]
public void TearDown()
{
if (Driver != null)
Driver.Quit...
Mocking python function based on input arguments
...dule my_module.py uses pandas to read from a database and we would like to test this module by mocking pd.read_sql_table method (which takes table_name as argument).
What you can do is to create (inside your test) a db_mock method that returns different objects depending on the argument provided:
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