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MySQL - How to select data by string length
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Having a look at MySQL documentation for the string functions, we can also use CHAR_LENGTH() and CHARACTER_LENGTH() as well.
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C#/Linq: Apply a mapping function to each element in an IEnumerable?
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You can just use the Select() extension method:
IEnumerable<int> integers = new List<int>() { 1, 2, 3, 4, 5 };
IEnumerable<string> strings = integers.Select(i => i.ToString());
Or in LINQ syntax:
IEnumera...
Get dimension from XML and set text size in runtime
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For text size, why can't I use TypedValue.COMPLEX_UNIT_SP instead?
– dphans
Oct 24 '18 at 15:20
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Ruby Array find_first object?
...ound_object = my_array.find { |e| e.satisfies_condition? }
otherwise you can use any?
found_it = my_array.any? { |e| e.satisfies_condition? }
The latter will bail with "true" when it finds one that satisfies the condition.
The former will do the same, but return the object.
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Android detect Done key press for OnScreen Keyboard
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@MaulikDodia You can use butterknife's @OnEditorAction()
– Ridcully
Feb 1 '18 at 8:20
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Update one MySQL table with values from another
...You should have indexes on tobeupdated.value and original.value
EDIT:
we can also simplify the query
UPDATE tobeupdated
INNER JOIN original USING (value)
SET tobeupdated.id = original.id
USING is shorthand when both tables of a join have an identical named key such as id. ie an equi-join - http...
Css pseudo classes input:not(disabled)not:[type=“submit”]:focus
...sabled and are not submit type, below css is not working, maybe if someone can explain me how this must be added .
3 Answer...
How can I suppress column header output for a single SQL statement?
... ErichBSchulz for pointing out the -N alias.
To remove the grid (the vertical and horizontal lines) around the results use -s (--silent). Columns are separated with a TAB character.
mysql -s ...
use testdb;
select * from names;
id name
1 pete
2 john
3 mike
To output the data with no head...
.NET List Concat vs AddRange
What is the difference between the AddRange and Concat functions on a generic List? Is one recommended over the other?
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Generating a list of which files changed between hg versions
... To get just the list of filenames (and no prefix character indicating the type of change), append -n, i.e. hg status --rev x:y -n
– Cheetah
Aug 11 '15 at 20:57
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