大约有 2,317 项符合查询结果(耗时:0.0154秒) [XML]

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Can anyone explain what JSONP is, in layman terms? [duplicate]

...ssible (i.e. your server or API supports it, and the browser support is adequate), as JSONP has inherent security risks. JSONP (JSON with Padding) is a method commonly used to bypass the cross-domain policies in web browsers. (You are not allowed to make AJAX requests to a web page perceived to b...
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The object cannot be deleted because it was not found in the ObjectStateManager

...not loaded by the same context instance). Try this: protected MyEntities sqlEntities; public virtual void Delete(TEntity entity) { sqlEntities.Attach(entity); sqlEntities.DeleteObject(entity); sqlEntities.SaveChanges(); } ...
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Download file from web in Python 3

...contents of a web page into a variable, just read the response of urllib.request.urlopen: import urllib.request ... url = 'http://example.com/' response = urllib.request.urlopen(url) data = response.read() # a `bytes` object text = data.decode('utf-8') # a `str`; this step can't be used if data...
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Stop all active ajax requests in jQuery

I have a problem, when submitting a form all active ajax request fail, and that triggers error event. 16 Answers ...
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PostgreSQL: Show tables in PostgreSQL

What's the equivalent to show tables (from MySQL) in PostgreSQL? 24 Answers 24 ...
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Select N random elements from a List in C#

I need a quick algorithm to select 5 random elements from a generic list. For example, I'd like to get 5 random elements from a List<string> . ...
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How to test an Internet connection with bash?

... Without ping #!/bin/bash wget -q --spider http://google.com if [ $? -eq 0 ]; then echo "Online" else echo "Offline" fi -q : Silence mode --spider : don't get, just check page availability $? : shell return code 0 : shell "All OK" code Withou...
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How do I determine file encoding in OS X?

...ans that the file has extended file attributes associated with it. You can query them using the getxattr() function. There's no definite way to detect the encoding of a file. Read this answer, it explains why. There's a command line tool, enca, that attempts to guess the encoding. You might want t...
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Wget output document and headers to STDOUT

... Try the following, no extra headers wget -qO- www.google.com Note the trailing -. This is part of the normal command argument for -O to cat out to a file, but since we don't use > to direct to a file, it goes out to the shell. You can use -qO- or -qO -. ...
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Ternary Operator Similar To ?:

...t; {x => x.endsWith("$") ? x.init | x} res1: String = List Is this adequate for your needs? share | improve this answer | follow | ...