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Two-dimensional array in Swift
I get so confused about 2D arrays in Swift. Let me describe step by step. And would you please correct me if I am wrong.
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Add only non-whitespace changes
... text editor to automatically trim trailing whitespace upon saving a file, and I am contributing to an open source project that has severe problems with trailing whitespace.
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How to activate an Anaconda environment
...or your environment (so that it gets the right Python from the environment and Scripts\ on Windows).
Imagine you have created an environment called py33 by using:
conda create -n py33 python=3.3 anaconda
Here the folders are created by default in Anaconda\envs, so you need to set the PATH as:
s...
Python Request Post with param data
.... It is perfectly legal to provide both types of information in a request, and your request does so too, but you encoded the URL parameters into the URL already.
Your raw post contains JSON data though. requests can handle JSON encoding for you, and it'll set the correct Content-Header too; all you...
Position an element relative to its container
I'm trying to create a horizontal 100% stacked bar graph using HTML and CSS. I'd like to create the bars using DIVs with background colors and percentage widths depending on the values I want to graph. I also want to have a grid lines to mark an arbitrary position along the graph.
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What Makes a Method Thread-safe? What are the rules?
...ere overall rules/guidelines for what makes a method thread-safe? I understand that there are probably a million one-off situations, but what about in general? Is it this simple?
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Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
I ran the following code in both iOS 7 and iOS 8:
18 Answers
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Wait for page load in Selenium
...if your code executes too fast the previous page might not be unloaded yet and it will return true even though you are still on the old page. What you need to do is wait for the current page to unload and then call your above code. A way to detect page unload is to get a webelement on the current pa...
Should I Stop Stopwatch at the end of the method?
... It doesn't prevent anything, he's creating the stopwatch in the method and not returning it, so he won't be able to get a hold of it later to "make mistakes with".
– Ronan Thibaudau
Jun 10 '14 at 12:23
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Converting from longitude\latitude to Cartesian coordinates
I have some earth-centered coordinate points given as latitude and longitude ( WGS-84 ).
9 Answers
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