大约有 43,000 项符合查询结果(耗时:0.0564秒) [XML]

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Can I set background image and opacity in the same property?

... Two methods: Convert to PNG and make the original image 0.2 opacity (Better method) have a <div> that is position: absolute; before #main and the same height as #main, then apply the background-image and opacity: 0.2; filter: alph...
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What is the yield keyword used for in C#?

...uced in C# 2.0. In earlier versions you had to create your own IEnumerable and IEnumerator objects to do stuff like this. The easiest way understand code like this is to type-in an example, set some breakpoints and see what happens. Try stepping through this example: public void Consumer() { f...
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n-grams in python, four, five, six grams?

...o use the nltk.word_tokenize() function. Also to print the results had to convert the generator object like bigrams, trigrams and fourgrams to list using list(<genrator_object>). – bhatman Dec 18 '18 at 5:00 ...
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Func vs. Action vs. Predicate [duplicate]

With real examples and their use, can someone please help me understand: 3 Answers 3 ...
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C# catch a stack overflow exception

...nt* where the host specifically allows for StackOverflow exceptions to be handled The stackoverflow exception is thrown by user code and not due to an actual stack overflow situation (Reference) *"hosted environment" as in "my code hosts CLR and I configure CLR's options" and not "my code runs on ...
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Simple (non-secure) hash function for JavaScript? [duplicate]

... hash = ((hash<<5)-hash)+char; hash = hash & hash; // Convert to 32bit integer } return hash; } share | improve this answer | follow ...
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Segmentation fault on large array sizes

...ete[] the array. A better solution would be to use std::vector<int> and resize it to 1000000 elements. share | improve this answer | follow | ...
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Download a file with Android, and showing the progress in a ProgressDialog

...t gets updated. For this I need a simple function that can download a file and show the current progress in a ProgressDialog . I know how to do the ProgressDialog , but I'm not sure how to display the current progress and how to download the file in the first place. ...
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Reliable method to get machine's MAC address in C#

...it is running using C#. Application will need to work on XP/Vista/Win7 32 and 64 bit as well as on those OSs but with a foreign language default. Many of the C# commands and OS queries don't work across OS. Any ideas? I have been scraping the output of "ipconfig /all" but this is terribly unreli...
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How to iterate for loop in reverse order in swift?

...other than one: stride(from: to: by:), which is used with exclusive ranges and stride(from: through: by:), which is used with inclusive ranges. To iterate on a range in reverse order, they can be used as below: for index in stride(from: 5, to: 1, by: -1) { print(index) } //prints 5, 4, 3, 2 f...