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Dynamically access object property using variable
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There are two ways to access properties of an object:
Dot notation: something.bar
Bracket notation: something['bar']
The value between the brackets can be any expression. Therefore, if the property name is stored in a variable, you have to use bracket notation:
var somethin...
Rspec, Rails: how to test private methods of controllers?
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Ruby lets you call private methods with send, but that doesn't necessarily mean you should. Testing private methods is done through testing the public interface to those methods. This approach will work, but it's not ideal. It'd be better if the method was in a module that was i...
Why do Objective-C files use the .m extension?
...lementation files - was it supposed to mean something, or was it just a random letter?
4 Answers
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Where do I find the line number in the Xcode editor?
... Xcode 3, the line number of the current cursor location was displayed. I don't see this in Xcode 4. Is there a setting that will turn it on? Or a keypress that will give it to me?
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Is there a way to use PhantomJS in Python?
...driver
driver = webdriver.PhantomJS() # or add to your PATH
driver.set_window_size(1024, 768) # optional
driver.get('https://google.com/')
driver.save_screenshot('screen.png') # save a screenshot to disk
sbtn = driver.find_element_by_css_selector('button.gbqfba')
sbtn.click()
If your system path ...
What is AppDomain? [duplicate]
What is an AppDomain ? What are the benefits of AppDomains or why
Microsoft brought the concept of AppDomains, what was the problem without AppDomains?
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How do I grab an INI value within a shell script?
...ersion' variable. You get the value twice then.
– nerdoc
May 26 '15 at 12:19
4
yes please conside...
Clean up a fork and restart it from the upstream
...gin master --force
(Similar to this GitHub page, section "What should I do if I’m in a bad situation?")
Be aware that you can lose changes done on the master branch (both locally, because of the reset --hard, and on the remote side, because of the push --force).
An alternative would be, if yo...
Bypass popup blocker on window.open when JQuery event.preventDefault() is set
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Popup blockers will typically only allow window.open if used during the processing of a user event (like a click). In your case, you're calling window.open later, not during the event, because $.getJSON is asynchronous.
You have two options:
Do something else, rathe...
How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
... performSelector:withObject:afterDelay: but with an argument like int / double / float ?
19 Answers
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