大约有 5,100 项符合查询结果(耗时:0.0148秒) [XML]

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What does character set and collation mean exactly?

...standard for sorting and comparison, which sorts accurately in a very wide range of languages. share | improve this answer | follow | ...
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Is there any way to prevent input type=“number” getting negative values?

...rmvalidate with angular , since the model is not updated if not within the range. My case : <input ng-model="row.myValue" type="{{row.code == 1 ? 'text' : 'number'}}" min="0" ng-pattern="..." noformvalidate oninput="if (this.type=='text') this.value=Math.abs(this.value) "> ...
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JSON to pandas DataFrame

... column. That way I have it in the format that I want to use. for row in range(len(data)): #First I load the dict (one at a time) n = data.loc[row,'dict_column'] #Now I make a new column that pulls out the data that I want. data.loc[row,'new_column'] = n.get('key') ...
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What are the most common non-BMP Unicode characters in actual use? [closed]

In your experience which Unicode characters, codepoints, ranges outside the BMP (Basic Multilingual Plane) are the most common so far? These are the ones which require 4 bytes in UTF-8 or surrogates in UTF-16. ...
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Add Variables to Tuple

... and then converting the list to a tuple at the end: mylist = [] for x in range(5): mylist.append(x) mytuple = tuple(mylist) print mytuple returns (0, 1, 2, 3, 4) I sometimes use this when I have to pass a tuple as a function argument, which is often necessary for the numpy functions. ...
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http HEAD vs GET performance

... will NOT be creating a second connection (which by the way is more in the range of 3-6ms). This seems like a very pre-mature optimization attempt on something that just won't make a significant or even measurable difference. The real difference is the conformity with REST in general, which recomme...
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Flatten an irregular list of lists

...s the only one that flattened this list l = ([[chr(i),chr(i-32)] for i in xrange(ord('a'), ord('z')+1)] + range(0,9)) in a snap when i did this list(flatten(l)). All the others, would start working and take forever! – nemesisfixx Jun 7 '12 at 15:04 ...
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How do I return to an older version of our code in Subversion?

...you are using TortoiseSVN, right-click the file select Merge, then Merge a Range of Revisions. In the log box type in 140-150 and click the Reverse Checkbox. After that, commit as usual. This will perform the same operation as Jon's example. – DavGarcia Jan 10 ...
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How do I restrict a float value to only two places after the decimal point in C?

... @albert This also has the advantage of no loss of float range as val * 100 could overflow. – chux - Reinstate Monica Aug 3 '14 at 15:52 add a comment ...
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What exactly is LLVM?

... libraries, to write your own Passes. For instance if you require to add a range check on certain arguments that are passed into certain functions of a Program, writing a simple LLVM Pass would suffice. For more information on writing your own Pass, check this http://llvm.org/docs/WritingAnLLVMPas...