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How does push notification technology work on Android?
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I do not know. I've just read how C2DM was working. Now something can change.
– Yury
Jul 16 '12 at 18:39
add a comment
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Can you add new statements to Python's syntax?
...is an attempt to better understand how the front-end of Python works. Just reading documentation and source code may be a bit boring, so I'm taking a hands-on approach here: I'm going to add an until statement to Python.
All the coding for this article was done against the cutting-edge Py3k branch ...
SSH Key - Still asking for password and passphrase
... not persist between sessions/restarts of my Mac.
What I found out from reading this OpenRadar and this Twitter discussion was that Apple purposely changed the behaviour for ssh-agent in macOS 10.12 Sierra to no longer automatically load the previous SSH keys. In order to maintain the same behavi...
Can we pass parameters to a view in SQL?
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As already stated you can't.
A possible solution would be to implement a stored function, like:
CREATE FUNCTION v_emp (@pintEno INT)
RETURNS TABLE
AS
RETURN
SELECT * FROM emp WHERE emp_id=@pintEno;
This allows you to us...
On Duplicate Key Update same as insert
...d you need to update it in any case?
For eg. if your columns a to g are already set as 2 to 8; there would be no need to re-update it.
Alternatively, you can use:
INSERT INTO table (id,a,b,c,d,e,f,g)
VALUES (1,2,3,4,5,6,7,8)
ON DUPLICATE KEY
UPDATE a=a, b=b, c=c, d=d, e=e, f=f, g=g;
To get...
jQuery UI Tabs - How to Get Currently Selected Tab Index
...-tabs-selected has been replaced with ui-tabs-active. !!!
I know this thread is old, but something I didn't see mentioned was how to get the "selected tab" (Currently dropped down panel) from somewhere other than the "tab events".
I do have a simply way ...
var curTab = $('.ui-tabs-panel:not(.ui...
What's the fastest way to delete a large folder in Windows?
...the parameters used above:
/f - Force (i.e. delete files even if they're read only)
/s - Recursive / Include Subfolders (this definition from SS64, as technet simply states "specified files", which isn't helpful).
/q - Quiet (i.e. do not prompt user for confirmation)
Documentation for rmdir here...
Converting a generic list to a CSV string
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It's amazing what the Framework already does for us.
List<int> myValues;
string csv = String.Join(",", myValues.Select(x => x.ToString()).ToArray());
For the general case:
IEnumerable<T> myList;
string csv = String.Join(",", myList.Select(x =&...
How to check if a file contains a specific string using Bash
...s if the exit code was non-0. If any error happens, like the file can't be read, the exit code is also non-0. So you have to do something like ec=$?, and check if it's 0 (found), then if it's 1 (not found), and then if it's something else (fail).
– ddekany
Jun ...
C# Lazy Loaded Automatic Properties
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This answer reads more like a pitch for Expression Bodied Auto-Properties.
– Little Endian
Sep 8 '18 at 16:25
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