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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...
Find and replace in file and overwrite file doesn't work, it empties the file
...
When the shell sees > index.html in the command line it opens the file index.html for writing, wiping off all its previous contents.
To fix this you need to pass the -i option to sed to make the changes inline and create a backup of the original ...
mysql实现split分割字符串（length, SUBSTRING_INDEX, substring） - 数据...
mysql实现split分割字符串（length, SUBSTRING_INDEX, substring）由于MySql没有直接的split函数，只提供了length, SUBSTRING_INDEX, substring三个函数，这里介绍如何用这三个函数实现split功能。# SUBS...由于MySql没有直接的split函数，只提供了length, SUB...
QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别 - 更多技术 - 清泛...
...、PHP_SELF区别。实例：
1、http://localhost/aaa/ （打开aaa中的index.php）
$_SERVER['QUERY_STRING'] = "";
$_SERVER['REQUEST_URI'] = "/aaa/";
$_SERVER['SCRIPT_NAME'] = "/aaa/index.php";
$_SERVER['PHP_SELF'] = "/aaa/index.php";
2、http://localhost/aaa/index.php?p=222&q=333...
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...
Stash only one file out of multiple files that have changed with Git?
... this puts everything into the stash, both staged and unstaged. The --keep-index just leaves the index alone after the stash is done. This can cause merge conflicts when you later pop the stash.
This will stash everything that you haven't previously added. Just git add the things you want to keep...
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...
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...
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
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