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Open new Terminal Tab from command line (Mac OS X)
...te that if the path is coming from a variable, you'll need to use a double-quoted string instead of single-quoted, and escape the inner quoted string, and probably the path itself.
– Gordon Davisson
Dec 23 '18 at 6:02
...
Case insensitive searching in Oracle
...T_MATCH
2 FROM DUAL;
1
You can also create case insensitive indexes:
create index
nlsci1_gen_person
on
MY_PERSON
(NLSSORT
(PERSON_LAST_NAME, 'NLS_SORT=BINARY_CI')
)
;
This information was taken from Oracle case insensitive searches. The article mentions REGEXP_LIK...
conditional unique constraint
...
Behold, the filtered index. From the documentation (emphasis mine):
A filtered index is an optimized nonclustered index especially suited to cover queries that select from a well-defined subset of data. It uses a filter predicate to index a p...
Array_merge versus + [duplicate]
...
Because both arrays are numerically-indexed, only the values in the first array will be used.
The + operator returns the right-hand array appended to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be used...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
...
You can use linear indexing to access each element.
for idx = 1:numel(array)
element = array(idx)
....
end
This is useful if you don't need to know what i,j,k, you are at. However, if you don't need to know what index you are at, yo...
Find the most common element in a list
...for an item
def _auxfun(g):
item, iterable = g
count = 0
min_index = len(L)
for _, where in iterable:
count += 1
min_index = min(min_index, where)
# print 'item %r, count %r, minind %r' % (item, count, min_index)
return count, -min_index
# pick the highest-cou...
How do I overload the square-bracket operator in C#?
...
This isn't operator overloading. It is indexer
– Destructor
May 12 '16 at 8:32
5
...
How to select rows that have current day's timestamp?
...table` WHERE DATE(`timestamp`) = CURDATE()
I guess using DATE still uses INDEX.
see the execution plan on the DEMO
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How to set iPhone UIView z index?
I want to move one view on top of another, how can I know the z index of the view, and how to move on to top?
9 Answers
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using gitignore to ignore (but not delete) files
... can update local git repository by running following command:
git update-index --assume-unchanged <file>
In this case a file is being tracked in the origin repo. You can modify it in your local repo and git will never mark it as changed. Read more at:
http://blog.pagebakers.nl/2009/01/29...