大约有 40,000 项符合查询结果(耗时:0.0391秒) [XML]

https://stackoverflow.com/ques... 

correct way to define class variables in Python [duplicate]

... being init always executed after the object is created, it becomes practically equal to define variables outside of init, right? – jeanc Jan 29 '12 at 21:33 2 ...
https://stackoverflow.com/ques... 

Javascript fuzzy search that makes sense

...oth strings. Jaccard distance: 1 minues the quotient of shared N-grams and all observed N-grams. Maybe you could use a weighted combination (or minimum) of these metrics, with Levenshtein -- common substring, common N-gram or Jaccard will all strongly prefer similar strings -- or perhaps try just ...
https://stackoverflow.com/ques... 

Setting different color for each series in scatter plot on matplotlib

... I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array easily enough: import numpy as np import matplotlib.pyplot as plt import matplotlib.cm as cm x = np.arange(10) ys = [i+x+(i*x)**2 for i in range(10)] colors = cm.ra...
https://stackoverflow.com/ques... 

C/C++ check if one bit is set in, i.e. int variable

...if you want to hide bit manipulation, you can write a macro: #define CHECK_BIT(var,pos) ((var) & (1<<(pos))) and use it this way to check the nth bit from the right end: CHECK_BIT(temp, n - 1) In C++, you can use std::bitset. ...
https://stackoverflow.com/ques... 

Modifying the “Path to executable” of a windows service

... answered Jul 22 '14 at 0:33 Niall ConnaughtonNiall Connaughton 13.5k1010 gold badges4848 silver badges4646 bronze badges ...
https://stackoverflow.com/ques... 

How do I do base64 encoding on iOS?

... A really, really fast implementation which was ported (and modified/improved) from the PHP Core library into native Objective-C code is available in the QSStrings Class from the QSUtilities Library. I did a quick benchmark: a 5....
https://stackoverflow.com/ques... 

Is there a NumPy function to return the first index of something in an array?

...: itemindex = numpy.where(array==item) The result is a tuple with first all the row indices, then all the column indices. For example, if an array is two dimensions and it contained your item at two locations then array[itemindex[0][0]][itemindex[1][0]] would be equal to your item and so woul...
https://stackoverflow.com/ques... 

Handling an empty UITableView. Print a friendly message

... change the height of your cell to accommodate the empty message. This is all doable but it seems like band-aid on top of band-aid. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Validating IPv4 addresses with regexp

...so it ends with a word boundary rather than with the end of line? Additionally here I've marked the non-capturing groups to avoid unwanted sub-matches. NB: This still doesn't take into account @dty's comment as I'm not familiar with that form of IP; though he's correct that it seems valid. ...
https://stackoverflow.com/ques... 

Auto-fit TextView for Android

...de public void onClick(final View v) { container.removeAllViews(); final int maxWidth = container.getWidth(); final int maxHeight = container.getHeight(); final AutoResizeTextView fontFitTextView = new AutoResizeTextView(MainActivity.this); ...