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Using Python's os.path, how do I go up one directory?
...lpath(dirname(__file__))), 'templates')
Update:
If you happen to "copy" settings.py through symlinking, @forivall's answer is better:
~user/
project1/
mysite/
settings.py
templates/
wrong.html
project2/
mysite/
settings.py -&...
Remove element by id
...rrays involved, but rather NodeList or HTMLCollection which are array-like set of elements. The second method definition allows for these "element sets" to be removed.
– Johan Dettmar
Jan 8 '15 at 15:48
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Fastest sort of fixed length 6 int array
...w I'd build a sorting network. First, use this site to generate a minimal set of SWAP macros for a network of the appropriate length. Wrapping that up in a function gives me:
static __inline__ int sort6(int * d){
#define SWAP(x,y) if (d[y] < d[x]) { int tmp = d[x]; d[x] = d[y]; d[y] = tmp; }
...
What is the maximum amount of RAM an app can use?
...LruCache.getDecryptedThumbCacheInstance().getBitmap(thumbUri);
and how I set it into cache in background thread (regular AsyncTask):
BitmapLruCache.getDecryptedThumbCacheInstance().addBitmap(thumbUri, thumbBytes);
My app targets API 19+ so devices are not old and these portions of available RA...
How to count the frequency of the elements in an unordered list?
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It's faster using a set: {x:a.count(x) for x in set(a)}
– stenci
Feb 17 '16 at 17:55
45
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How do I programmatically determine if there are uncommitted changes?
... For example, if file was changed between HEAD~ and HEAD, then after git reset HEAD~ -- file, it will still exit 0 even though there are staged changes present in the index (wt == HEAD, but index != HEAD).
– Chris Johnsen
Oct 7 '10 at 8:03
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jquery if div id has children
This if -condition is what's giving me trouble:
7 Answers
7
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The written versions of the logical operators
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Unfortunately, in Visual Studio (as of VS2013), you must set a specific compiler option (/Za) in order to support the alternative keywords (see stackoverflow.com/a/555524/368896). That presumably also has other impacts. So, in Visual Studio, it's not necessarily safe to take this...
Why is rbindlist “better” than rbind?
...s of memory rbindlist is implemented in C, so is memory efficient, it uses setattr to set attributes by reference
rbind.data.frame is implemented in R, it does lots of assigning, and uses attr<- (and class<- and rownames<- all of which will (internally) create copies of the created data.fr...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
What are some algorithms which we use daily that has O(1), O(n log n) and O(log n) complexities?
11 Answers
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