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Does the Java &= operator apply & or &&?
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In order to avoid redundancies (still allowing for short-circuiting), you can simply write a=a&&b().
– Unai Vivi
Sep 8 '12 at 9:39
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How do I get the n-th level parent of an element in jQuery?
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Since parents() returns the ancestor elements ordered from the closest to the outer ones, you can chain it into eq():
$('#element').parents().eq(0); // "Father".
$('#element').parents().eq(2); // "Great-grandfather".
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How do CUDA blocks/warps/threads map onto CUDA cores?
...blocks with 6 threads = 64 warps * 10 instructions = 640 instructions
In order to get optimal efficiency the division of work should be in multiples of 32 threads. The hardware will not coalesce threads from different warps.
3'. A GTX560 can have 8 SM * 8 blocks = 64 blocks at a time or 8 SM * 48...
Looping through localStorage in HTML5 and JavaScript
... use the key method. localStorage.key(index) returns the indexth key (the order is implementation-defined but constant until you add or remove keys).
for (var i = 0; i < localStorage.length; i++){
$('body').append(localStorage.getItem(localStorage.key(i)));
}
If the order matters, you cou...
Using do block vs braces {}
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Ruby cookbook says bracket syntax has higher precedence order than do..end
Keep in mind that the bracket syntax
has a higher precedence than the
do..end syntax. Consider the following
two snippets of code:
1.upto 3 do |x|
puts x
end
1.upto 3 { |x| puts x }
# SyntaxE...
How to read and write INI file with Python3?
...es
When writing out config files, ConfigObj preserves all comments and the order of members and sections
Many useful methods and options for working with configuration files (like the 'reload' method)
Full Unicode support
It has some draw backs:
You cannot set the delimiter, it has to be =… (p...
psql - save results of command to a file
... (your query) to 'file path' csv header;
Example
\copy (select name,date_order from purchase_order) to '/home/ankit/Desktop/result.csv' cvs header;
Hope this help you.
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Count the number of occurrences of a string in a VARCHAR field?
..., "khunt", "") )
) / LENGTH("khunt")
)
AS count1 FROM test ORDER BY count1 DESC LIMIT 0, 2
Thanks Yannis, your solution worked for me and here I'm sharing same solution for multiple keywords with order and limit.
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Flask SQLAlchemy query, specify column names
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An example here:
movies = Movie.query.filter(Movie.rating != 0).order_by(desc(Movie.rating)).all()
I query the db for movies with rating <> 0, and then I order them by rating with the higest rating first.
Take a look here: Select, Insert, Delete in Flask-SQLAlchemy
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How does TestFlight do it?
... already stated.
For this to work, you need the UDID for every device in order to add it to the Ad Hoc profile, re-compile the app with the new profile an redistribute the new build.
You can get the UDID with the help of the OTA Authentication Request. This is actually a step that is done in MDM ...