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Getting the last element of a list
...ist[-1] gets the last element, some_list[-2] gets the second to last, etc, all the way down to some_list[-len(some_list)], which gives you the first element.
You can also set list elements in this way. For instance:
>>> some_list = [1, 2, 3]
>>> some_list[-1] = 5 # Set the last e...
select count(*) from table of mysql in php
... Kermit
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answered Aug 2 '11 at 5:48
Shakti SinghShakti Singh
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How to create an android app using HTML 5
...opment
– Ajit Kumar
Jan 29 '12 at 9:11
it's free trial?
– gumuruh
Oct 13 '19 at...
Is there a way to check if a file is in use?
...nderstand your hesitation about using exceptions, but you can't avoid them all of the time:
protected virtual bool IsFileLocked(FileInfo file)
{
try
{
using(FileStream stream = file.Open(FileMode.Open, FileAccess.Read, FileShare.None))
{
stream.Close();
}...
Is the “struct hack” technically undefined behavior?
...rictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which check array bounds carefully might issue warnings.)
The rationale behind the 'strictly conforming' bit is in the spec, section J.2 Undefined behavior, which includes in the list o...
How to activate “Share” button in android app?
...
Basavaraj HampaliBasavaraj Hampali
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...
How do popular apps authenticate user requests from their mobile app to their server?
...I imagine they use a "token" based security system, so the password is actually never stored anywhere, just used the first time to authenticate. So the app initially posts the username/password (over ssl) and the server returns a token that the app stores. For subsequent sync attempts the token is s...
REST API Best practices: Where to put parameters? [closed]
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The official rule URIs and the draft sepc were really useful & interesting! :-)
– KajMagnus
Apr 16 '11 at 10:54
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How can I use a search engine to search for special characters? [closed]
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Alex D
36211 silver badge1010 bronze badges
answered Nov 22 '11 at 19:53
dncranedncrane
...