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1. Top results related to what is the map for 3f 0

   • What is the regular expression for the set of all strings of 0's and 1's whose tenth symbol from the right end is 1?

     Top Answer

     Answered Oct 30, 2021 · 0 votes

     One answer is:

     [01]*1[01]{9}

     [01] is a set of symbols to match against, this matches 0 or 1. * says match zero or more times 1 is the 10th one from the right [01]{9} is as above, but {9} is a quantifier which needs 9 matches.

     A maybe better one could be

     ^[01]*1[01]{9}$

     where ^ is the beginning of the line, and $ the end of the line, so that there are other characters except the zero and ones.

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     1/5

   • What is the return value of map::begin() for an empty map?

     Top Answer

     Answered May 21, 2012 · 19 votes

     If the map is empty, the begin and end iterators are equal, i.e. returns mymap->end().

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     2/5

   • what is the difference between 'Float a = 3f' and 'Float a = 3.0' in java?

     Top Answer

     Answered Jul 25, 2013 · 6 votes

     The number 3.0 is the literal representation of a double value (it's equivalent to 3.0d), whereas 3.0f is a float value. The different precisions explain why you're getting different results - a double is stored using 64-bits, a float uses 32-bits.

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     3/5

   • What is the solution for 'IndexError: index 0 is out of bounds for dimension 1 with size 0'?

     Top Answer

     Answered Nov 18, 2022 · 0 votes

     The problem is in how you extract features vs labels from your data.

     You do so by:

     self.x_data = np.array(data[:,0:11], dtype=np.float)...self.y_data = data[:, 11:12]-

     This means that your features are the first 11 columns (0 to 10 included) and your labels are in the 12th column.

     Your data though only has 9 columns so the labels end up as an empty array (with 0 columns). This is why then you do y_train[:,0] (getting the first column) you get the error (there is no first column).

     To fix this just change the columns in the Dataset:

     self.x_data = np.array(data[:,0:8], dtype=np.float)...self.y_data = data[:, 8:9]-

     And of course change the dimension of the first layer of the network accordingly:

     self.fc1 = nn.Linear(8, 50)-

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     4/5

   • What is the difference between [[0 for _ in range(10)] for _ in range(10)] and [0 for _ in range(10)] * 10?

     Top Answer

     Answered May 21, 2020 · 7 votes

     >>> CM = [[0 for _ in range(10)]] * 10-

     Is copying a reference to the same object, ten times. It is equivalent to this:

     >>> x = [0 for _ in range(10)]>>> CM = [x, x, x, x, x, x, x, x, x, x]-

     So manipulating one element causes side effects. Your workaround is elegant and correct.

     Note:

     This occurs since the elements of the lists are lists (which are mutable). If they were strings for example, which are immutable, it wouldn't be an issue if the same string was referenced in different lists, since they can't be manipulated. Python doesn't like to waste memory (unless explicitly told to ie. deepcopy), so copying lists will simply copy their references.

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     5/5

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2. stackoverflow.com › questions › 51328193Understanding the print format %.3 in python - Stack Overflow

   stackoverflow.com › questions › 51328193

   • Cached

   Jul 14, 2018 · %.3f f: Floating point, which means that the value that is going to be printed is a real number..3 is for the number of decimals after the point. That means that the real value to be printed will have 3 digits after the point.

   Code sample

   In [1]: print('Slope: %.3f' % 1.123)

   Slope: 1.123

   In [2]: print('Slope: %.3f' % 1.12345)

   Slope: 1.123

   In [3]: print('Slope: %.3f' % 1.1)...

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4. www.w3schools.com › tags › ref_urlencodeHTML URL Encoding Reference - W3Schools

   www.w3schools.com › tags › ref_urlencode

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   URL encoding normally replaces a space with a plus (+) sign or with %20. Try It Yourself. If you click the "Submit" button below, the browser will URL encode the input before it is sent to the server. A page at the server will display the received input. Try some other input and click Submit again. URL Encoding Functions.

5. www.askpython.com › python › stringUnderstanding the Print Format %.3f in Python - AskPython

   www.askpython.com › python › string

   • Cached

   Mar 30, 2023 · In Python, the “%.3f” format specifier is a method for formatting floating-point numbers to display only three decimal places. This is achieved using the ‘%’ operator along with the ‘%.nf’ format specifier, where ‘n’ determines the number of decimal places.

6. People also ask

   What is %3F in Python?

   • Remember, a great coder’s work can be easily understood, much like an artist’s masterpiece. Therefore, the ".%3f" in python formats a float data type in such a way that only the 3 numbers after the decimal point is included in the output and the other numbers after that are ignored.

   Understanding the Print Format %.3f in Python - AskPython

   www.askpython.com/python/string/print-format-3f

   See all results for this question

   What is the difference between F & 3?

   • f: Floating point, which means that the value that is going to be printed is a real number. .3 is for the number of decimals after the point. That means that the real value to be printed will have 3 digits after the point. For example: "f" stands for floating point.

   Understanding the print format %.3 in python - Stack Overflow

   stackoverflow.com/questions/51328193/understanding-the-print-format-3-in-python

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   Is there a superfluous zero in Python?

   • @S.Lott Sure there are superfluous zeros. If you would get the string "3.140" as the output of a conversion, that could be considered a superfluous zero since it doesn't make any difference when it comes to determining the value of the number. You could use %g to achieve this: or, with Python ≥ 2.6: or, with Python ≥ 3.6:

   python - Formatting floats without trailing zeros - Stack Overflow

   stackoverflow.com/questions/2440692/formatting-floats-without-trailing-zeros

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   What's wrong with rstrip 0 2f?

   • print('{0:.2f}'.format(num).rstrip('0').rstrip('.')) Output: Only thing wrong with this one is that you have to set a sensible number of decimal digits. The higher you set it, the more precise numbers you can represent, but if you do this a lot, it can degrade performance.

   python - Formatting floats without trailing zeros - Stack Overflow

   stackoverflow.com/questions/2440692/formatting-floats-without-trailing-zeros

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7. thepythonguru.com › python-string-formattingPython String Formatting - ThePythonGuru.com

   thepythonguru.com › python-string-formatting

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   The format() method allows you format string in any way you want. Syntax: template.format(p1, p1, .... , k1=v1, k2=v2) template is a string containing format codes, format() method uses it's argument to substitute value for each format codes. For e.g: {0} and {1} are format codes. The format code {0} is replaced by the first argument of format ...

8. www.davesmotleyprojects.com › python › topic_2_printPython Programming - DavesMotleyProjects

   www.davesmotleyprojects.com › python › topic_2_print

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   In the example, the format string "{:0.3f}" tells the format() function to replace the bracketed expression with the floating point value, with only 3 decimal places. We'll talk the available options a little later. There are a lot of them.

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10. forums.ni.com › t5 › LabVIEW%.3f and %6.7f, what are these codes mean? - NI Community

    forums.ni.com › t5 › LabVIEW

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    Jun 14, 2007 · For functions that scan a string, such as Scan From String and Spreadsheet String to Array, a format specifier uses the following simplified syntax elements. % [Width]Conversion Code. %6.7f- f - float. 6 - width. 7 - precision. But it's best if you search the help for "Format Specifiers ". Then you can see examples. Software developer.

11. www.askpython.com › decimal-formatting-0f-vs-1fUnderstanding Python 3’s Decimal Formatting — :.0f vs. :.1f

    www.askpython.com › decimal-formatting-0f-vs-1f

    • Cached

    May 19, 2023 · The primary distinction between :.0f and :.1f in Python lies in the number of decimal digits displayed in the output. :.0f signifies that only the integer part of the number is desired, without any digits following the decimal point. Conversely, :.1f indicates the desire to display one digit after the decimal point in the output.