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How to remove the lines which appear on file B from another file A?
...e a set, where there won't be any duplicate values (keys)
!($0 in a) we're now in the next file(s), in is a contains test, here it's checking whether current line is in the set we populated in the first step from the first file, ! negates the condition. What is missing here is the action, which by...
How do I change the working directory in Python?
... Never call os.chdir() outside of a context manager, unless you think you know what you're doing. (You probably don't.)
– Cecil Curry
May 22 '16 at 5:19
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How to get index using LINQ? [duplicate]
...ad of -1 when there is no match. But let's ignore this minor annoyance for now. In fact the horrible standard solution crashes in that case and I consider returning an index that is out-of-bounds superior.
What happens now is ReSharper telling me Loop can be converted into LINQ-expression. While mo...
Set cellpadding and cellspacing in CSS?
... cellspacing attributes are removed in HTML5, so CSS is the only way to go now.
– Ignas2526
Nov 22 '13 at 19:10
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Is it possible to Turn page programmatically in UIPageViewController?
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Now that the NDA is up can this be expanded on a bit more? Maybe a code sample.
– SpaceTrucker
Nov 1 '11 at 16:58
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Pretty printing JSON from Jackson 2.2's ObjectMapper
Right now I have an instance of org.fasterxml.jackson.databind.ObjectMapper and would like to get a String with pretty JSON. All of the results of my Google searches have come up with Jackson 1.x ways of doing this and I can't seem to find the proper, non-deprecated way of doing this with 2.2. E...
Xcode 5 - “iOS Simulator failed to install application” every time I switch simulators
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Looks like this is a known issue. From the Xcode 5 release notes:
After switching the minimum deployment target of an application from
iOS 7.0 to a release prior to iOS 7.0, building and running the
application may fail with the message ...
How can I get the button that caused the submit from the form submit event?
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Just a note to keep things current. As of right now, Safari sets activeElement to the document body when clicking on a submit button. I ran into this issue on Safari 9.1
– coderkevin
May 2 '16 at 20:38
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Can I safely delete contents of Xcode Derived data folder?
...oject's data individually. So I stand by my previous comment, though I've now implemented William's alias in my .bashrc.
– gone
Jun 19 '16 at 9:42
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ASP.NET MVC - TempData - Good or bad practice
... have implications for you if:
You don't use sessions on your site right now
You have a system that needs to scale to high throughput, i.e. you'd prefer to avoid session state altogether
You don't want to use cookies (I don't know how well MVC supports cookieless sessions right now)
If your site...