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iphone ios running in separate thread
...dispatch_async( dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
// Add code here to do background processing
//
//
dispatch_async( dispatch_get_main_queue(), ^{
// Add code here to update the UI/send notifications based on the
// results of the backg...
How to change a command line argument in Bash?
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edited Mar 30 '18 at 12:48
Ciro Santilli 郝海东冠状病六四事件法轮功
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How to properly check if std::function is empty in C++11?
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105
You're not checking for an empty lambda, but whether the std::function has a callable target st...
T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
...+ 1, CHARINDEX(@sep, @s, stop + 1)
FROM Pieces
WHERE stop > 0
)
SELECT pn,
SUBSTRING(@s, start, CASE WHEN stop > 0 THEN stop-start ELSE 512 END) AS s
FROM Pieces
)
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How can I break an outer loop with PHP?
...swered May 4 '11 at 8:14
lucian303lucian303
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Is there a way to access an iteration-counter in Java's for-each loop?
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edited Sep 29 '16 at 20:49
ragerdl
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answered Jan 25 '09 at ...
Multiline syntax for piping a heredoc; is this portable?
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105
Yes, the POSIX standard allows this. According to the 2008 version:
The here-document shal...
github markdown colspan
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edited Mar 20 '17 at 10:29
Community♦
111 silver badge
answered Aug 19 '14 at 18:08
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Embed SVG in SVG?
...ur SVG file. For fun, save the following as recursion.svg:
<svg width="100%" height="100%" viewBox="-100 -100 200 200" version="1.1"
xmlns="http://www.w3.org/2000/svg">
<circle cx="-50" cy="-50" r="30" style="fill:red" />
<image x="10" y="20" width="80" height="80" href="recu...
Label encoding across multiple columns in scikit-learn
... encode a pandas DataFrame of string labels. As the dataframe has many (50+) columns, I want to avoid creating a LabelEncoder object for each column; I'd rather just have one big LabelEncoder objects that works across all my columns of data.
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