python Programming Glossary: inputHow do you read from stdin in python http://stackoverflow.com/questions/1450393/how-do-you-read-from-stdin-in-python some of the code golf challenges but they all require the input to be taken from stdin and I don't know how to get that in python... This is something I learned from StackOverflow import fileinput for line in fileinput.input pass fileinput will loop through.. from StackOverflow import fileinput for line in fileinput.input pass fileinput will loop through all the lines in the..
http://stackoverflow.com/questions/1746613/bitwise-operation-and-usage one bit at a time. AND is 1 only if both of its inputs are 1 otherwise it's 0. OR is 1 if one or both of its inputs.. are 1 otherwise it's 0. OR is 1 if one or both of its inputs are 1 otherwise it's 0. XOR is 1 only if exactly one of its.. 1 otherwise it's 0. XOR is 1 only if exactly one of its inputs are 1 otherwise it's 0. NOT is 1 only if its input is 0 otherwise..
Fastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python the set. Nevertheless it works at least for me for some input numbers sum get_primes 2000000 142913828922L #That's the correct..
In a django form, How to make a field readonly (or disabled) so that it cannot be edited? http://stackoverflow.com/questions/324477/in-a-django-form-how-to-make-a-field-readonly-or-disabled-so-that-it-cannot-b widget and prevent malicious POST hacks you must scrub the input in addition to setting the readonly attribute on the form field.. editing. You could also set the attribute disabled on the input field instead of readonly . The clean_sku function will ensure.. form field which will render a value while rejecting bound input data. If this is what you desire you should instead create a..
Python UnicodeDecodeError - Am I misunderstanding encode? http://stackoverflow.com/questions/368805/python-unicodedecodeerror-am-i-misunderstanding-encode 'ignore' Traceback most recent call last File interactive input line 1 in UnicodeDecodeError 'ascii' codec can't decode byte..
What is the most “pythonic” way to iterate over a list in chunks? http://stackoverflow.com/questions/434287/what-is-the-most-pythonic-way-to-iterate-over-a-list-in-chunks a list in chunks I have a Python script which takes as input a list of integers which I need to work with four integers at.. at a time. Unfortunately I don't have control of the input or I'd have it passed in as a list of four element tuples. Currently..
How do you remove duplicates from a list in Python whilst preserving order? http://stackoverflow.com/questions/480214/how-do-you-remove-duplicates-from-a-list-in-python-whilst-preserving-order I also know that I can roll my own like this def uniq input output for x in input if x not in output output.append x return.. I can roll my own like this def uniq input output for x in input if x not in output output.append x return output Thanks to unwind..
Dynamically adding a form to a Django formset with Ajax http://stackoverflow.com/questions/501719/dynamically-adding-a-form-to-a-django-formset-with-ajax table class 'no_error' form.as_table table div endfor input type button value Add More id add_more script '#add_more' .click.. total '#id_' type ' TOTAL_FORMS' .val newElement.find ' input' .each function var name this .attr 'name' .replace ' ' total.. how many forms there currently are and goes through every input and label inside the new form replacing all the field names..
Python read a single character from the user http://stackoverflow.com/questions/510357/python-read-a-single-character-from-the-user there a way of reading one single character from the user input For instance they press one key at the terminal and it is returned... I'd like something that is cross platform. Thanks. python input share improve this question Here's a link to a site that.. 134892 class _Getch Gets a single character from standard input. Does not echo to the screen. def __init__ self try self.impl..
Replacements for switch statement in python? http://stackoverflow.com/questions/60208/replacements-for-switch-statement-in-python returns different fixed values based on the value of an input index. In other languages I would use a switch or case statement..
Matrix Multiplication in python? http://stackoverflow.com/questions/10508021/matrix-multiplication-in-python to multiply two matrices together using pure python. Input X1 is a 3x3 and Xt is a 3x2 X1 1.0016 0.0 16.0514 0.0 10000.0..
Running an interactive command from within python http://stackoverflow.com/questions/11457931/running-an-interactive-command-from-within-python Prompt user for password. Looks like Enter password Note Input does not echo to screen Output irrelevant information Prompt.. errThread.daemon True outThread.start errThread.start someInput raw_input Input p.stdin.write someInput errors getOutput errQueue.. True outThread.start errThread.start someInput raw_input Input p.stdin.write someInput errors getOutput errQueue output getOutput..
Is a string formatter that pulls variables from its calling scope bad practice? http://stackoverflow.com/questions/13312240/is-a-string-formatter-that-pulls-variables-from-its-calling-scope-bad-practice technique is actually described in the Python tutorial's Input and Output chapter This could also be done by passing the table..
http://stackoverflow.com/questions/14145082/file-tell-inconsistency happen to know why when you iterate over a file this way Input f open 'test.txt' 'r' for line in f print f.tell f.tell Output.. if I use readline I get the appropriate index for tell Input f open 'test.txt' 'r' while True line f.readline if line ''..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas then what do you do Is step 2 ad hoc or repeatable Input flat files how many rough total size in Gb. How are these organized..
Caesar's Cipher using python, could use a little help http://stackoverflow.com/questions/1538935/caesars-cipher-using-python-could-use-a-little-help main k if k 0 or k 231 print complaint raise SystemExit Input raw_input Please enter Plaintext to Cipher for x in range len.. Please enter Plaintext to Cipher for x in range len Input letter Input x if letter.islower x ord letter x x k if x 122.. enter Plaintext to Cipher for x in range len Input letter Input x if letter.islower x ord letter x x k if x 122 x x 122 97..
http://stackoverflow.com/questions/1746613/bitwise-operation-and-usage it's 0. These can often be best shown as truth tables. Input possibilities are on the top and left the resultant bit is one..
Fastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python way to list all primes below n in python 3035188#3035188 Input n 6 Returns a list of primes 2 p n correction n 6 1 n 0 n 1.. way to list all primes below n in python 3035188#3035188 Input n 6 Returns a array of primes 2 p n sieve np.ones n 3 n 6 2..
Python - Is a dictionary slow to find frequency of each character? http://stackoverflow.com/questions/2522152/python-is-a-dictionary-slow-to-find-frequency-of-each-character in memory perl 0.5 python numpy 0.07 c 0.05 c 0.008 ascii Input data tail usr share dict american english 矇clat's 矇lan 矇lan's..
check if all elements in a list are identical http://stackoverflow.com/questions/3844801/check-if-all-elements-in-a-list-are-identical in a list are identical I need the following function Input a list. Output True if all elements in the input list evaluate..
Finding number of colored shapes from picture using Python http://stackoverflow.com/questions/5298884/finding-number-of-colored-shapes-from-picture-using-python Count nuclei The code adapted from Python Image Tutorial . Input image with nuclei from the tutorial # usr bin env python import..
Get the cartesian product of a series of lists in Python http://stackoverflow.com/questions/533905/get-the-cartesian-product-of-a-series-of-lists-in-python every possible combination of values from a group of lists Input somelists 1 2 3 'a' 'b' 4 5 Desired output 1 'a' 4 1 'a' 5 1..
Pipe raw OpenCV images to FFmpeg http://stackoverflow.com/questions/5825173/pipe-raw-opencv-images-to-ffmpeg Estimating duration from bitrate this may be inaccurate Input #0 image2pipe from 'pipe ' Duration N A bitrate N A Stream #0.0..
http://stackoverflow.com/questions/5969173/how-to-swig-in-vs2010 C swig swig.exe to your path to SWIG d In Outputs field InputName _wrap.cxx 3 Go to this project properties a C tab Additional.. Incremental Linking set as No INCREMENTAL NO e Linker Input Additional Dependencies add PYTHON_LIB ... f C C Precompiled..
How to split text without spaces into list of words? http://stackoverflow.com/questions/8870261/how-to-split-text-without-spaces-into-list-of-words to split text without spaces into list of words Input tableapplechairtablecupboard... many words What would be an..
http://stackoverflow.com/questions/10604409/sublime-text-2-console-input you get when user doesn't enter anything . Simply USER INPUT isn't working in Sublime Text 2 for me. EDIT FOR EXAMPLE try..
http://stackoverflow.com/questions/11906925/python-simulate-keydown ctypes.POINTER DWORD WORD ctypes.c_ushort class MOUSEINPUT ctypes.Structure _fields_ 'dx' LONG 'dy' LONG 'mouseData'.. DWORD 'time' DWORD 'dwExtraInfo' ULONG_PTR class KEYBDINPUT ctypes.Structure _fields_ 'wVk' WORD 'wScan' WORD 'dwFlags'.. DWORD 'time' DWORD 'dwExtraInfo' ULONG_PTR class HARDWAREINPUT ctypes.Structure _fields_ 'uMsg' DWORD 'wParamL' WORD 'wParamH'..
Google app engine ReferenceProperty relationships http://stackoverflow.com/questions/1210321/google-app-engine-referenceproperty-relationships Have that form's template contain among the other fields INPUT TYPE hidden NAME thegroupid VALUE theid INPUT put theid in the.. other fields INPUT TYPE hidden NAME thegroupid VALUE theid INPUT put theid in the context with which you render that template..
Is it possible to write a firewall in python? http://stackoverflow.com/questions/3189138/is-it-possible-to-write-a-firewall-in-python I can use a rule in iptables that looks like iptables A INPUT j NFQUEUE queue num 1 And then have some Python code that looks..
Union-within-structure syntax in ctypes http://stackoverflow.com/questions/3480240/union-within-structure-syntax-in-ctypes clear for a beginner like me. Say I want to implement an INPUT structure see here typedef struct tagINPUT DWORD type union.. to implement an INPUT structure see here typedef struct tagINPUT DWORD type union MOUSEINPUT mi KEYBDINPUT ki HARDWAREINPUT hi.. see here typedef struct tagINPUT DWORD type union MOUSEINPUT mi KEYBDINPUT ki HARDWAREINPUT hi INPUT PINPUT Should I or do..
Get a preview JPEG of a PDF on Windows? http://stackoverflow.com/questions/502/get-a-preview-jpeg-of-a-pdf-on-windows 4 dGraphicsAlphaBits 4 r72x72 sOutputFile OUTPUT f INPUT where OUTPUT and INPUT are the output and input filenames. Adjust.. 4 r72x72 sOutputFile OUTPUT f INPUT where OUTPUT and INPUT are the output and input filenames. Adjust the 72x72 to whatever..
Python: Clicking a button with urllib or urllib2 http://stackoverflow.com/questions/7630795/python-clicking-a-button-with-urllib-or-urllib2 the HTML code for sending a request to the button is INPUT type submit value Place a Bid How would I go about doing this.. ...... ...... ...... input type text name in1 value abc INPUT type submit value Place a Bid form Python # parse the page HTML..
Calculating combinations of length k from a list of length n using recursion http://stackoverflow.com/questions/8683092/calculating-combinations-of-length-k-from-a-list-of-length-n-using-recursion of length n and I must do it using recursion. For Example INPUT choose_sets 1 2 3 4 3 OUTPUT 1 2 3 1 2 4 1 3 4 2 3 4 INPUT choose_sets.. INPUT choose_sets 1 2 3 4 3 OUTPUT 1 2 3 1 2 4 1 3 4 2 3 4 INPUT choose_sets 1 2 3 4 2 OUTPUT 1 2 1 3 1 4 2 3 2 4 3 4 I'm stuck..
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