大约有 40,000 项符合查询结果(耗时:0.0673秒) [XML]

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Peak detection in a 2D array

...ow you do it: import numpy as np from scipy.ndimage.filters import maximum_filter from scipy.ndimage.morphology import generate_binary_structure, binary_erosion import matplotlib.pyplot as pp #for some reason I had to reshape. Numpy ignored the shape header. paws_data = np.loadtxt("paws.txt").resh...
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Django - How to rename a model field using South?

... You can use the db.rename_column function. class Migration: def forwards(self, orm): # Rename 'name' field to 'full_name' db.rename_column('app_foo', 'name', 'full_name') def backwards(self, orm): # Rename 'full_...
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How to get first and last day of previous month (with timestamp) in SQL Server

...tional date standard, follow this link: https://en.wikipedia.org/wiki/ISO_8601 For further reading on the ODBC international date standard, follow this link: https://technet.microsoft.com/en-us/library/ms190234(v=sql.90).aspx To view the list of date formats I worked from, follow this link: ...
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Visual Studio 64 bit?

...urcation point for it will be some CPU manufacturer X starts to compete x86_64 architecture taking its place on mainstream market for laptop and/or workstation, share | improve this answer ...
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What are queues in jQuery?

...ction() { // lets do something with google maps: var $map = $("#map_canvas"); var myLatlng = new google.maps.LatLng(-34.397, 150.644); var myOptions = {zoom: 8, center: myLatlng, mapTypeId: google.maps.MapTypeId.ROADMAP}; var geocoder = new google.maps.Geocoder(); var map = n...
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What is “entropy and information gain”?

.... P(m)=9/14 and P(f)=5/14. According to the definition of entropy: Entropy_before = - (5/14)*log2(5/14) - (9/14)*log2(9/14) = 0.9403 Next we compare it with the entropy computed after considering the split by looking at two child branches. In the left branch of ends-vowel=1, we have: Entropy_lef...
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ASP.NET MVC HandleError

..., logMessage, filterContext); logDirectory = (logDirectory + "\\Log_" + LogFileName(DateTime.Now) + ".txt"); StreamWriter streamWriter = null; try { streamWriter = new StreamWriter(logDirectory, true); streamWriter.WriteLine(logLine); ...
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Why should the “PIMPL” idiom be used? [duplicate]

... Isn't this line illegal since all members are private: cat_->Purr(); Purr() is not accessible from the outside because by deafult it's private. What am I missing here? – binaryguy Aug 14 '15 at 9:20 ...
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Path of assets in CSS files in Symfony 2

... 14 combinations on the same twig, and this route was launched from "/app_dev.php/" "/app.php/" and "/" thus giving 14 x 3 = 42 tests. Additionally, all this has been tested working in a subdirectory, so there is no way to fool by giving absolute URLs because they would simply not work. The te...
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What does cherry-picking a commit with Git mean?

... from a maintenance branch to a development branch. $ git checkout rel_2.3 $ git cherry-pick dev~2 # commit F, above before: after: share | improve this answer | fo...