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Find first element in a sequence that matches a predicate
...yntax with () creates a generator, which is more efficient than generating all the list at once with [].
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How to convert Set to String[]?
...'s recommended. Update the answer. "Since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version the same and sometimes even better, compared to the pre-sized version. Also passing pre-sized array is dangerous for a concurrent or synchronized collect...
How to escape special characters in building a JSON string?
...Tab
\" Double quote
\\ Backslash character
However, even if it is totally contrary to the spec, the author could use \'.
This is bad because :
It IS contrary to the specs
It is no-longer JSON valid string
But it works, as you want it or not.
For new readers, always use a double quote...
Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
...r: String!) -> AnyObject! // Used by the delegate to acquire an already allocated cell, in lieu of allocating a new one.
That's determined by the exclamation mark after AnyObject:
AnyObject!
So, first thing to consider is, what is an "Implicitly Unwrapped Optional"?
The Swift Programmin...
How to get equal width of input and select fields
...the form, I have one select and two input fields. These elements are vertically aligned. Unfortunately, I can't get equal width of these elements.
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Understanding the ngRepeat 'track by' expression
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well, that's easy: just have a look at the code, it's all open source ;)
– nilsK
Mar 31 '14 at 13:22
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Cutting the videos based on start and end time using ffmpeg
... Because non-keyframes encode differences from other frames, they require all of the data starting with the previous keyframe.
With the mp4 container it is possible to cut at a non-keyframe without re-encoding using an edit list. In other words, if the closest keyframe before 3s is at 0s then it ...
Set theme for a Fragment
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Setting Theme in manifest is usually used for Activity.
If you want to set Theme for Fragment, add next code in the onCreateView() of the Fragment:
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)...
Conda: Installing / upgrading directly from github
Can I install/upgrade packages from GitHub using conda ?
4 Answers
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How do you get a directory listing sorted by creation date in python?
What is the best way to get a list of all files in a directory, sorted by date [created | modified], using python, on a windows machine?
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