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What does the “~” (tilde/squiggle/twiddle) CSS selector mean?
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The ~ selector is in fact the General sibling combinator (renamed to Subsequent-sibling combinator in selectors Level 4):
The general sibling combinator is made of the "tilde" (U+007E, ~)
character that separates two sequences of simple selectors. The
elements re...
Android onCreate or onStartCommand for starting service
...d, but in my last project this does not work. I tried implementing onStartCommand , and this seems to work.
2 Answers
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Create new tmux session from inside a tmux session
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The quickest way (assuming you use ctrl-b as your command prefix) is:
ctrl-b :new
To create a new session, then
ctrl-b s
to interactively select and attach to the session.
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Oracle “(+)” Operator
...e specific notation for an OUTER JOIN, because the ANSI-89 format (using a comma in the FROM clause to separate table references) didn't standardize OUTER joins.
The query would be re-written in ANSI-92 syntax as:
SELECT ...
FROM a
LEFT JOIN b ON b.id = a.id
This link is pretty good at e...
Excel VBA App stops spontaneously with message “Code execution has been halted”
From what I can see on the web, this is a fairly common complaint, but answers seem to be rarer. The problem is this:
11 An...
How do you underline a text in Android XML?
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I tryed this. the string does not come up underlined?
– Michael Zeuner
Apr 4 '12 at 20:57
5
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Closing multiple issues in Github with a commit message
I know you can close issues by putting closes #1 or fixes #1 in the commit message. What is the best way to close multiple issues in the same commit message?
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How do I check the difference, in seconds, between two dates?
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if you want to compute differences between two known dates, use total_seconds like this:
import datetime as dt
a = dt.datetime(2013,12,30,23,59,59)
b = dt.datetime(2013,12,31,23,59,59)
(b-a).total_seconds()
86400.0
#note that seconds ...
Can an AJAX response set a cookie?
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