大约有 744 项符合查询结果（耗时：0.0098秒） [XML]
Proper use of beginBackgroundTaskWithExpirationHandler
... { [weak task] in
guard let task = task else {return}
for i in 1...10000 {
guard !task.isCancelled else {return}
for j in 1...150000 {
let k = i*j
}
}
}
backgroundTaskQueue.addOperation(task)
In case you have cleanup to do in case the background task...
Wait for a void async method
... about awaiting an async void function, say async void blah() { Task.Delay(10000); }
– Jonathan Lidbeck
May 13 at 23:40
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Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
...rt();
// Giving 10 seconds to finish the job.
Thread.sleep(10000);
// Let me interrupt
thread.interrupt();
}
}
Try calling interrupt without setting the status back.
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
... comparion (using Wouter's method)
In [6]: df = pd.DataFrame(randint(0,10,10000).reshape(5000,2),columns=list('AB'))
In [7]: %timeit dict(zip(df.A,df.B))
1000 loops, best of 3: 1.27 ms per loop
In [8]: %timeit pd.Series(df.A.values,index=df.B).to_dict()
1000 loops, best of 3: 987 us per loop
...
log4j logging hierarchy order
...ic final static int INFO_INT = 20000;
public final static int DEBUG_INT = 10000;
public static final int TRACE_INT = 5000;
public final static int ALL_INT = Integer.MIN_VALUE;
or the log4j API for the Level class, which makes it quite clear.
When the library decides whether to print a certain ...
Use latest version of Internet Explorer in the webbrowser control
...isplayed in IE10 Standards
mode, regardless of the !DOCTYPE directive.
10000 (0x2710)- Internet Explorer 10. Webpages containing standards-based
!DOCTYPE directives are displayed in IE10 Standards mode. Default
value for Internet Explorer 10.
9999 (0x270F) - Internet Explorer 9. Webpages a...
Appropriate datatype for holding percent values?
... it this way makes more sense for most cases (e.g. 100% * 100% = 100%, not 10000%; 1 * 1 = 1).
– JohnLBevan
May 14 '14 at 18:45
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Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
...solution:
In [31]: t = pd.date_range(start="2013-05-18 12:00:00", periods=10000, freq='H',
tz="Europe/Brussels")
In [32]: %timeit t.tz_localize(None)
1000 loops, best of 3: 233 µs per loop
In [33]: %timeit pd.DatetimeIndex([i.replace(tzinfo=None) for i in t])
10 loops,...
UICollectionView inside a UITableViewCell — dynamic height?
...er trick: cell.bounds = CGRectMake(0, 0, CGRectGetWidth(tableView.bounds), 10000); This will "simulate" a long cell with a long collectionView, so the collectionView will compute the size all of its cells. Otherwise the collectionView computed only the visible cell sizes, and set wrongly the talbeVi...
How to format numbers as currency string?
...s so highly voted, but this doesn't do what OP is asking for. For example, 10000 would turn into "10,000" and not "10,000.00" which is the desired behavior for currency formatting.
– Burak
Jun 7 '18 at 14:20
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