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How to frame two for loops in list comprehension python
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The best way to remember this is that the order of for loop inside the list comprehension is based on the order in which they appear in traditional loop approach. Outer most loop comes first, and then the inner loops subsequently.
So, the equivalent list comprehensi...
How can foreign key constraints be temporarily disabled using T-SQL?
... COL_NAME(RKEYID, RKEY) AS REFERENCED_COLUMN_NAME
FROM SYSFOREIGNKEYS
ORDER BY TABLE_NAME, CONSTRAINT_NAME,REFERENCED_TABLE_NAME, KEYNO
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List columns with indexes in PostgreSQL
...um = ANY(ix.indkey)
and t.relkind = 'r'
and t.relname like 'test%'
order by
t.relname,
i.relname;
table_name | index_name | column_name
------------+------------+-------------
test | pk_test | a
test | pk_test | b
test2 | uk_test2 | b
test2 | uk_te...
How to gracefully handle the SIGKILL signal in Java
...acefully (SIGTERM from the manager process) or a shutdown has occurred (in order to relaunch automatically the job on startup).
As a basis, I always make my long-running threads periodically aware of interrupted status and throw an InterruptedException if they interrupted. This enables execution fi...
Sort a list from another list IDs
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docs = docs.OrderBy(d => docsIds.IndexOf(d.Id)).ToList();
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hasNext in Python iterators?
...thod to put the first element back after I have checked that it exists by calling next().
– Giorgio
Dec 24 '12 at 20:26
16
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Find kth smallest element in a binary search tree in Optimum way
...doing the operation in O(n), the worst case since I am planning to do an inorder traversal of the entire tree. But deep down I feel that I am not using the BST property here. Is my assumptive solution correct or is there a better one available ?
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What is meant by 'first class object'?
... Conveniently a language that has first-class functions also has higher-order functions, as opposed to being limited to first-order functions, which would rule out first-class functions. (Though higher-order, not first-class is possible.)
– TrayMan
Apr 1 '09...
What is the difference between :focus and :active?
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Nit: the order of focus and active affects the state of a HTML button if there is no :active:focus state - Putting :active state after :focus, I get the active changes when I hit tab and hit space. If :focus is last, I never see the a...
Creating a dynamic choice field
...ted May 27 '16 at 18:04
Tim Tisdall
8,27033 gold badges4141 silver badges6767 bronze badges
answered Aug 6 '10 at 2:17
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