大约有 43,000 项符合查询结果(耗时:0.0247秒) [XML]

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How to read a .xlsx file using the pandas Library in iPython?

...None, parse_dates=False, date_parser=None, na_values=None, thousands=None, convert_float=True, has_index_names=None, converters=None, true_values=None, false_values=None, engine=None, squeeze=False, **kwds) Read an Excel table into a pandas DataFrame Parameters ---------- io : strin...
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How to convert an Stream into a byte[] in C#? [duplicate]

Is there a simple way or method to convert an Stream into a byte[] in C#? 12 Answers ...
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How can I generate an INSERT script for an existing SQL Server table that includes all stored rows?

...Case When ['+Column_Name+'] is null then ''Null'' Else '''''''' + Replace( Convert(varchar(Max),['+Column_Name+'] ) ,'''''''','''' ) +'''''''' end+'+''',''' FROM @COLUMNS WHERE [Row_number]=@Counter ...
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Creating Unicode character from its number

... Just cast your int to a char. You can convert that to a String using Character.toString(): String s = Character.toString((char)c); EDIT: Just remember that the escape sequences in Java source code (the \u bits) are in HEX, so if you're trying to reproduce an ...
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Is 'float a = 3.0;' a correct statement?

...It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you. However, you should use the float literals notation in specific scenarios. For performance reasons: Specifically, consider: float foo(float x) { return x * 0.42; } H...
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No generic implementation of OrderedDictionary?

...deredDictionary<string, string>(comparer)); for (var a = Convert.ToInt32('a'); a <= Convert.ToInt32('z'); a++) { var c = Convert.ToChar(a); alphabet.Add(c.ToString(), c.ToString().ToUpper()); } Assert.AreEqual(26, alphabet....
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Java ByteBuffer to String

Is this a correct approach to convert ByteBuffer to String in this way, 10 Answers 10 ...
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Convert unix time to readable date in pandas dataframe

I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates. ...
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How can I create a UIColor from a hex string?

... This is great except it doesn't do what the questioner asks, which is to convert a hex STRING into a UIColor. This converts an integer to a UIColor. – darrinm Sep 12 '12 at 22:44 ...
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How to check if string input is a number? [duplicate]

... Simply try converting it to an int and then bailing out if it doesn't work. try: val = int(userInput) except ValueError: print("That's not an int!") sha...