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Merge two branch revisions using Subversion
... that took place between rev 10 & the HEAD rev on http://url-of-branch-a and apply them to http://url-of-branch-b .
3 An...
$(this).val() not working to get text from span using jquery
...t(monthname);
});
.val() is for input type elements (including textareas and dropdowns), since you're dealing with an element with text content, use .text() here.
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What does FrameLayout do?
...Then I searched, but I couldn't find something useful. What is FrameLayout and what does it do?
5 Answers
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Get selected subcommand with argparse
When I use subcommands with python argparse, I can get the selected arguments.
2 Answers
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How to use mod operator in bash?
... calculate it as -2. You can test it with simple echo $((-12 % 10)) (-2) and compare it with python3 python3 -c "print(-12 % 10)" (8).
– Lirt
Jan 28 '19 at 22:39
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What does @: (at symbol colon) mean in a Makefile?
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It means "don't echo this command on the output." So this rule is saying "execute the shell command : and don't echo the output.
Of course the shell command : is a no-op, so this is saying "do nothing, and don't tell."
Why?
The trick here is that you'...
ActiveRecord, has_many :through, and Polymorphic Associations
...owever, is there any way to accomplish this these days without source_type and two separate associations?
– Emeka
Feb 27 '16 at 15:27
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backbone.js - events, knowing what was clicked
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@roufamatic — because those are really standard JavaScript events, so it's out of the scope of BackboneJS. Those docs does not include reference of HTML nor CSS too.
– skalee
Oct 30 '12 at 7:20
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MySQL remove all whitespaces from the entire column
.../doc/refman/5.0/en/string-functions.html#function_replace
To remove first and last space(s) of column :
UPDATE `table` SET `col_name` = TRIM(`col_name`)
http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_trim
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How can I define a composite primary key in SQL?
...rID)
);
The pair (QuestionID,MemberID) must then be unique for the table and neither value can be NULL. If you do a query like this:
SELECT * FROM voting WHERE QuestionID = 7
it will use the primary key's index. If however you do this:
SELECT * FROM voting WHERE MemberID = 7
it won't because...