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Following git-flow how should you handle a hotfix of an earlier release?
...e that branch in production somewhere. After that it is a matter of historical record. You might want to know how hotfixes were fixed if they should ever recur.
– Klas Mellbourn
Mar 1 '17 at 13:26
...
sed: print only matching group
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Match the whole line, so add a .* at the beginning of your regex. This causes the entire line to be replaced with the contents of the group
echo "foo bar <foo> bla 1 2 3.4" |
sed -n 's/.*\([0-9][0-9]*[\ \t][0-9.]*[ \t]*$\)/\1/p'
2 3.4
...
NULL vs nil in Objective-C
... the context could be an object pointer? I would think that to be a common case. That's why I'm confused as to why the docs always use NULL instead of nil.
– erikprice
Feb 17 '09 at 16:38
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How to pass multiple parameters in a querystring
...is the text of the linked section of the Wikipedia entry.)
Structure
A typical URL containing a query string is as follows:
http://server/path/program?query_string
When a server receives a request for such a page, it runs a program (if configured to do so), passing the query_string unchanged to the ...
What does it mean to start a PHP function with an ampersand?
...e return-by-reference
to increase performance. The engine
will automatically optimize this on
its own. Only return references when
you have a valid technical reason to
do so.
See Returning References.
share
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SQL query to find record with ID not in another table
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@PrinceJea actually it depends. See here for clarification
– John Woo
Aug 21 '12 at 7:32
When i...
Is there a way to suppress JSHint warning for one given line?
I have a (single) case in my app were eval is used, and I would like to suppress JSHint warning only for this case.
3 Ans...
Can I update a component's props in React.js?
...ticed in the docs a reference to componentWillReceiveProps , which specifically includes this example:
6 Answers
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Can you use an alias in the WHERE clause in mysql?
...ssue? I need to select records that have a rating higher than x. Rating is calculated as the following alias:
5 Answers
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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
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Yes, you can. But if you have non-unique entries on your table, it will fail. Here is the how to add unique constraint on your table. If you're using PostgreSQL 9.x you can follow below instruction.
CREATE UNIQUE INDEX constraint_nam...