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Test if lists share any items in python
... generally the fastest.
There are four common ways to test if two lists a and b share any items. The first option is to convert both to sets and check their intersection, as such:
bool(set(a) & set(b))
Because sets are stored using a hash table in Python, searching them is O(1) (see here for...
How do I read CSV data into a record array in NumPy?
...o a record array, much in the way that R's read.table() , read.delim() , and read.csv() family imports data to R's data frame?
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rotating axis labels in R
...round 45 degrees to strike a good balance between readability (horizontal) and space efficiency (vertical).
– jmb
Aug 25 '19 at 19:31
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MySQL - why not index every field?
Recently I've learned the wonder of indexes, and performance has improved dramatically. However, with all I've learned, I can't seem to find the answer to this question.
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iOS start Background Thread
... is responsible for setting up the new thread's autorelease pool, run loop and other configuration details – see "Using NSObject to Spawn a Thread" in Apple's Threading Programming Guide.
You'd probably be better off using Grand Central Dispatch, though:
dispatch_async(dispatch_get_global_queue(...
How to list branches that contain a given commit?
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tests and master - master is the current branch, therefore the asterisk.
– blueyed
Mar 25 '11 at 13:31
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Pass request headers in a jQuery AJAX GET call
...xhr.setRequestHeader('X-Test-Header', 'test-value');} works well in chrome and firefox but not in IE8. there is no X-Test-Header send. how to fix it? Thx
– user1940268
Jan 31 '15 at 0:01
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How do I convert Long to byte[] and back in java
How do I convert a long to a byte[] and back in Java?
12 Answers
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How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
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Thanks, that seems to be a solution (and I agree, it doesn't seem to be a clean solution).
– M4N
Oct 25 '11 at 12:43
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UIImageView aspect fit and center
I have an image view, declared programmatically, and I am setting its image, also programmatically.
10 Answers
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