大约有 6,887 项符合查询结果（耗时：0.0296秒） [XML]
What's the algorithm to calculate aspect ratio?
...atio in accepted_ratios:
lesser_error = 999
lesser_index = -1
my_ratio_normalized = float(self.width) / float(self.height)
# Check how far from each known aspect this resolution is, and take one with the smaller error
for i in range(len(ac...
How to get the mysql table columns data type?
...
Don't forget: AND INDEX_SCHEMA = 'database_name'
– Inshallah
Aug 6 '09 at 18:16
...
Erasing elements from a vector
...
You can iterate using the index access,
To avoid O(n^2) complexity
you can use two indices, i - current testing index, j - index to
store next item and at the end of the cycle new size of the vector.
code:
void erase(std::vector<int>& v, ...
How to extract the substring between two markers?
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Doesn't the indexing start at 0? So you would need to use group(0) instead of group(1)?
– Alexander
Nov 8 '15 at 22:16
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Purpose of ESI & EDI registers?
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SI = Source Index
DI = Destination Index
As others have indicated, they have special uses with the string instructions. For real mode programming, the ES segment register must be used with DI and DS with SI as in
movsb es:di, ds:si
...
Format date to MM/dd/yyyy in JavaScript [duplicate]
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Try this; bear in mind that JavaScript months are 0-indexed, whilst days are 1-indexed.
var date = new Date('2010-10-11T00:00:00+05:30');
alert(((date.getMonth() > 8) ? (date.getMonth() + 1) : ('0' + (date.getMonth() + 1))) + '/' + ((date.getDate() > 9) ? date....
Using an RDBMS as event sourcing storage
...ifically with SQL, we found that performance really became a bottleneck if indexes and partitions weren't adequately used. Remember events will needs to be streamed in reverse order if you are using snapshots. We tried a few different indexes and found that in practise, some additional indexes were ...
How to extract the decision rules from scikit-learn decision-tree?
...ent, np.argmax(tree_.value[node][0])) for the function to return the class index.
– soupault
Oct 19 '17 at 9:56
2
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How do I convert a Django QuerySet into list of dicts?
...eld you make the queries on and then you can easily access each field by a index value.
Call it like this -
myList = dictOfSomeData.values()
itemNumberThree = myList[2] #If there's a value in that index off course...
sha...
Table with fixed header and fixed column on pure css
...first column stick to the left, use:
thead th:first-child {
left: 0;
z-index: 1;
}
/* Use overflow:scroll on your container to enable scrolling: */
div {
max-width: 400px;
max-height: 150px;
overflow: scroll;
}
/* Use position: sticky to have it stick to the edge
* and top, right,...