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Programmatically obtain the phone number of the Android phone
..."???????", and it can return a stale phone number that is no longer valid. If you want something that uniquely identifies the device, you should use getDeviceId() instead.
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Allow user to set up an SSH tunnel, but nothing else
...and block scp copying, while allowing port forwarding to go through.
Specifically I have a redis-server on "somehost" bound to localhost:6379 that I wish to share securely via ssh tunnels to other hosts that have a keyfile and will ssh in with:
$ ssh -i keyfile.rsa -T -N -L 16379:localhost:6379 s...
Check if list contains any of another list
...practice - for all non-trivial list lengths the Intersect will be faster - if the lists are trivially short, it does not matter one way or another (in that case performance probably is not your concern at all anyway)
– BrokenGlass
Oct 20 '16 at 15:46
...
Sort array of objects by string property value
...nough to write your own comparison function:
function compare( a, b ) {
if ( a.last_nom < b.last_nom ){
return -1;
}
if ( a.last_nom > b.last_nom ){
return 1;
}
return 0;
}
objs.sort( compare );
Or inline (c/o Marco Demaio):
objs.sort((a,b) => (a.last_nom > b.last...
Any gotchas using unicode_literals in Python 2.6?
...g (assuming it's ascii) and convert it to unicode and fails. It would work if you did print name + two.name.decode('utf-8').
The same thing can happen if you encode a string and try to mix them later.
For example, this works:
# encoding: utf-8
html = '<html><body>helló wörld</body...
How do I get Flask to run on port 80?
...rowing up that error message because you have apache2 running on port 80.
If this is for development, I would just leave it as it is on port 5000.
If it's for production either:
Not Recommended
Stop apache2 first;
Not recommended as it states in the documentation:
You can use the builtin...
How to get maximum value from the Collection (for example ArrayList)?
...
Yes, iterating through the list is O(n log(n)) but if "There is no particularly efficient way", what do you propose that is a better solution besides checking them all?
– gotomanners
Nov 29 '11 at 9:53
...
disable nganimate for some elements
I'm using the ngAnimate module, but all my ng-if , ng-show , etc, are affected by that, I want to leverage ngAnimate for some selected elements.
For performance and some bugs in elements that shows and hide very speedy.
...
Received an invalid column length from the bcp client for colid 6
... cell data that exceed the datacolumn datatype length in the database.
Verify the data in excel. Also verify the data in the excel for its format to be in compliance with the database table schema.
To avoid this, try exceeding the data-length of the string datatype in the database table.
Hope thi...
How do ACID and database transactions work?
...
ACID is a set of properties that you would like to apply when modifying a database.
Atomicity
Consistency
Isolation
Durability
A transaction is a set of related changes which is used to achieve some of the ACID properties. Transactions are tools to achieve the ACID properties.
Atomici...