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Right way to reverse pandas.DataFrame?

...ata.Odd[idx]) You are getting an error because reversed first calls data.__len__() which returns 6. Then it tries to call data[j - 1] for j in range(6, 0, -1), and the first call would be data[5]; but in pandas dataframe data[5] means column 5, and there is no column 5 so it will throw an exceptio...
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How to convert a PIL Image into a numpy array?

....readthedocs.io/en/3.4.x/reference/…), but a pillow image implements the __array_interface__ which numpy can use to access the raw bytes of an image without having to pass through an iterator (see github.com/python-pillow/Pillow/blob/… and docs.scipy.org/doc/numpy/reference/arrays.interface.html...
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SQL Server: Make all UPPER case to Proper Case/Title Case

...r me ever time. So thought of sharing it. CREATE FUNCTION [dbo].[fnConvert_TitleCase] (@InputString VARCHAR(4000) ) RETURNS VARCHAR(4000) AS BEGIN DECLARE @Index INT DECLARE @Char CHAR(1) DECLARE @OutputString VARCHAR(255) SET @OutputString = LOWER(@InputString) SET @Index = 2 SET @OutputString = ...
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The difference between sys.stdout.write and print?

...'), 'Hello', 'World', 2+3 See: https://docs.python.org/2/reference/simple_stmts.html?highlight=print#the-print-statement In Python 3.x, print becomes a function, but it is still possible to pass something other than sys.stdout thanks to the fileargument. print('Hello', 'World', 2+3, file=open(...
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How to convert Java String into byte[]?

...(Charset.forName("UTF-8")); byte[] b = string.getBytes(StandardCharsets.UTF_8); // Java 7+ only However the problem you appear to be wrestling with is that this doesn't display very well. Calling toString() will just give you the default Object.toString() which is the class name + memory address...
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d

... See __hash__. Specifically about the str type. – metatoaster Aug 25 '14 at 6:43 ...
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In Python, what is the difference between “.append()” and “+= []”?

...Comparing bytecodes we can assume that append version wastes cycles in LOAD_ATTR + CALL_FUNCTION, and += version -- in BUILD_LIST. Apparently BUILD_LIST outweighs LOAD_ATTR + CALL_FUNCTION. >>> import dis >>> dis.dis(compile("s = []; s.append('spam')", '', 'exec')) 1 ...
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Using node.js as a simple web server

... Explorer reg.exe add HKCR\Directory\shell\LightServer\command /ve /t REG_EXPAND_SZ /f /d "\"C:\nodejs\light-server.cmd\" \"-o\" \"-s\" \"%V\"" Simple JSON REST server If you need to create a simple REST server for a prototype project then json-server might be what you're looking for. Auto Ref...
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Extracting just Month and Year separately from Pandas Datetime column

... the best answer is clearly.. df['mnth_yr'] = df.date_column.dt.to_period('M') as below from @jaknap32 – ihightower Jun 23 '17 at 6:16 1 ...
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Use gulp to select and move directories and their files

...serve the file structure the way you want: var filesToMove = [ './_locales/**/*.*', './icons/**/*.*', './src/page_action/**/*.*', './manifest.json' ]; gulp.task('move',['clean'], function(){ // the base option sets the relative root for the set of files, // ...