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Making an array of integers in iOS
...ry collection of integer values because index sets store indexes as sorted ranges. This makes them more efficient than storing a collection of individual integers. It also means that each index value can only appear once in the index set.
– Rudolf Adamkovič
Ma...
Using std Namespace
...s are quite happy reading std::string, std::vector, etc. In fact, seeing a raw vector makes me wonder if this is the std::vector or a different user-defined vector.
I am always against using using namespace std;. It imports all sorts of names into the global namespace and can cause all sorts of non...
Generate a random alphanumeric string in Cocoa
...tring for security purposes. Unique != Random. The length is constant, the range of characters used is limited (0-9, A-F, - = 17, vs 62 for a-Z. 0-9). This string is unique but predictable.
– amcc
Jul 2 '15 at 11:16
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Let JSON object accept bytes or let urlopen output strings
... 'ascii' codec can't encode characters in position 264-265: ordinal not in range(128)
– andilabs
Mar 6 '18 at 13:04
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Good Java graph algorithm library? [closed]
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JGraph does have an analysis package now that includes a range of analysis functions, jgraph.github.com/mxgraph/java/docs/index.html.
– Thomas the Tank Engine
Mar 25 '13 at 20:56
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Counting null and non-null values in a single query
...ook, but either the column is indexed or not. If it is, it happens via a range scan, otherwise, you are pretty much left with a full table scan. In oracle, NULLs are not stored in the index, so I suspect you example isn't much better. Your milage may very.
– EvilTeach
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Iteration ng-repeat only X times in AngularJs
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@SamHuckaby the issue is iterating over a range.limitTo is useless in that case. It's not about iterating over a set of values that mean something on their own,it's iterating 4 times for instance.not 4 times over a slice of an existing array,just 4 times. just like ...
How to convert CSV file to multiline JSON?
...w in reader:
csv_rows.extend([{field[i]:row[field[i]] for i in range(len(field))}])
convert_write_json(csv_rows, json_file)
#Convert csv data into json
def convert_write_json(data, json_file):
with open(json_file, "w") as f:
f.write(json.dumps(data, sort_keys=False, ...
How to print third column to last column?
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printing an internal range is also possible: ``` # from $3 (included) to $6 (excluded); echo "1,2,3,4,5,6,7,8,9" | awk 'BEGIN{FS=",";OFS=","}{ print substr($0, index($0,$3), length($0)-index($0,$6)-1) }'; # gives 3,4,5```
–...
How to convert a string with comma-delimited items to a list in Python?
...[3]: x[0]
Out[3]: 'f'
Strings are iterable, like lists
In [4]: for i in range(len(x)):
...: print x[i]
...:
f
o
o
b
a
r
TLDR
Strings are lists. Almost.
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