大约有 44,000 项符合查询结果（耗时：0.0436秒） [XML]
Notification click: activity already open
...
Try setting the flags to Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP instead.
From the documentation for FLAG_ACTIVITY_CLEAR_TOP (emphasis mine):
If set, and the activity being launched is already running in the
current task, then in...
What does numpy.random.seed(0) do?
...
If you set the np.random.seed(a_fixed_number) every time you call the numpy's other random function, the result will be the same:
>>> import numpy as np
>>> np.random.seed(0)
>>> perm = np.random.permutation(10)
>>> p...
How to scroll to specific item using jQuery?
...ple. No plugins needed.
var $container = $('div'),
$scrollTo = $('#row_8');
$container.scrollTop(
$scrollTo.offset().top - $container.offset().top + $container.scrollTop()
);
// Or you can animate the scrolling:
$container.animate({
scrollTop: $scrollTo.offset().top - $container.offse...
PHP + curl, HTTP POST sample code?
...y simple PHP example that sends a HTTP POST to a remote site
//
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://www.example.com/tester.phtml");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS,
"postvar1=value1&postvar2=value2&postvar3=value3");
/...
How do I represent a hextile/hex grid in memory?
... Board:
# Layout is just a double list of Tiles, some will be None
def __init__(self, layout=None):
self.numRows = len(layout)
self.numCols = len(layout[0])
self.hexagons = [[None for x in xrange(self.numCols)] for x in xrange(self.numRows)]
self.edges = [[None for x in xrange(s...
iPhone: How to get current milliseconds?
...
struct timeval time;
gettimeofday(&time, NULL);
long millis = (time.tv_sec * 1000) + (time.tv_usec / 1000);
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How do I enable EF migrations for multiple contexts to separate databases?
...Delete any existing .cs files in the Migrations folder
In SSMS, delete the __MigrationHistory system table.
Creating the initial migration:
In Package Manager Console:
Enable-Migrations -EnableAutomaticMigrations -ContextTypeName
NamespaceOfContext.ContextA -ProjectName ProjectContextIsInIfNotM...
How to check if a value exists in a dictionary (python)
...ed for lookup operations:
>>> type(d.viewvalues())
<type 'dict_values'>
>>> type(d.values())
<type 'list'>
>>> type(d.itervalues())
<type 'dictionary-valueiterator'>
EDIT2: As per request in comments...
>>> T(lambda : 'four' in d.itervalues()...
Input and output numpy arrays to h5py
...m(size=(100,20))
In [4]: h5f = h5py.File('data.h5', 'w')
In [5]: h5f.create_dataset('dataset_1', data=a)
Out[5]: <HDF5 dataset "dataset_1": shape (100, 20), type "<f8">
In [6]: h5f.close()
You can then load that data back in using:
'
In [10]: h5f = h5py.File('data.h5','r')
In [11]: b = ...
Difference between Pig and Hive? Why have both? [closed]
... answered Jul 28 '10 at 19:08
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