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Python: Ignore 'Incorrect padding' error when base64 decoding
... think you never need more than 2 padding chars. Base64 algorithm works on groups of 3 chars at a time and only needs padding when your last group of chars is only 1 or 2 chars in length.
– Otto
Nov 13 '18 at 14:02
...
the item you requested is not available for purchase
...ta testing, make sure you have added your test account to selected testers group, you can do this on the page of management your alpha/beta version.
In a case of closed alpha/beta testing, make sure your testing account have accepted participation in testing of this application via special invite li...
PHP multidimensional array search by value
...eturn $keys;
}
Use of function
$data = array(
array(
'cust_group' => 6,
'price' => 13.21,
'price_qty' => 5
),
array(
'cust_group' => 8,
'price' => 15.25,
'price_qty' => 4
),
array(
'cust_group' => 8,...
Xcode + remove all breakpoints
...
Other ways:
Select Breakpoints group in Groups and Files tree, click in Detail view, Command-A, Delete
Disclose Breakpoints smartgroup in Groups and Files tree, shift- or command-select breakpoints in outline, press Delete
Run > Console, when app is pau...
Reducing the space between sections of the UITableView
...S 5.0 or iOS 6.0, but yes - it's now much easier to setup distance between groups.
– Vlas Voloshin
Jun 5 '13 at 7:22
2
...
Python regex find all overlapping matches?
...
Use a capturing group inside a lookahead. The lookahead captures the text you're interested in, but the actual match is technically the zero-width substring before the lookahead, so the matches are technically non-overlapping:
import re
s ...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...e same as one of their benchmarks).
The statement is about an average of a group of benchmarks. There is no claim that running PyPy will give a 6.3 times improvement even for the programs they have tested.
There is no claim that PyPy will even run all the programs that CPython runs at all, let alone...
Feedback on using Google App Engine? [closed]
...nsactions you wish to have in future, because entities only in same entity group can be used in a transaction and it makes the process of updating two different groups a nightmare e.g. transfer money from user1 to user2 in transaction is impossible unless they are in same entity group, but making th...
How do CUDA blocks/warps/threads map onto CUDA cores?
...block are allocated (warps and shared memory) and threads are divided into groups of 32 threads called warps. Once a warp is allocated it is called an active warp. The two warp schedulers pick two active warps per cycle and dispatch warps to execution units. For more details on execution units and i...
Fast way to discover the row count of a table in PostgreSQL
...
How wide is the text column?
With a GROUP BY there's not much you can do to avoid a data scan (at least an index scan).
I'd recommend:
If possible, changing the schema to remove duplication of text data. This way the count will happen on a narrow foreign key...