word-wrap | 易学教程

Cython and c++ class constructors

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Can someone suggest a way to manipulate c++ objects with Cython, when the c++ instance of one class is expected to feed the constructor of another wrapped class as described below? Please look at the note on the pyx file for the class PySession, which takes a python PyConfigParams object as argument and then needs to extract values from it in order to construct a c++ ConfigParams object. the ConfigParams object is then used to feed the constructor of Session. It would be ideal to have a procedure which would allow me to "inject" the ConfigParams c++ object wrapped by the PyConfigParams object

Any way to determine if an element is wrapped?

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Basically, I have a certain HTML element (in this case, a div) that is wrapping to a new line in the case of a below average screen resolution, due to a floating element. I want to control this behavior, placing and/or styling the element differently if indeed it is currently wrapped or will be wrapped upon resize/onload. Is this possible? You can count the number of text rectangles it has using element.getClientRects() , which returns a ClientRect object for each border-box of an element. This must be done on an inline element such as a <span> for each line of text to have its own border-box,

C to Python via SWIG: can't get void** parameters to hold their value

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问题 I have a C interface that looks like this (simplified): extern bool Operation(void ** ppData); extern float GetFieldValue(void* pData); extern void Cleanup(p); which is used as follows: void * p = NULL; float theAnswer = 0.0f; if (Operation(&p)) { theAnswer = GetFieldValue(p); Cleanup(p); } You'll note that Operation() allocates the buffer p, that GetFieldValue queries p, and that Cleanup frees p. I don't have any control over the C interface -- that code is widely used elsewhere. I'd like to

Vim, LaTeX, word-wrapping, and version control

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I'm writing a LaTeX document in vim, and I have it hard wrapping at 80 characters to make reading easier. However, this causes problems with tracking changes with in version control. For example, inserting "Lorem ipsum" at the beginning of this text: 1 Dolor sit amet, consectetur adipiscing elit. Phasellus bibendum lobortis lectus 2 quis porta. Aenean vestibulum magna vel purus laoreet at molestie massa 3 suscipit. Vestibulum vestibulum, mauris nec convallis ultrices, tellus sapien 4 ullamcorper elit, dignissim consectetur justo tellus et nunc. results in: 1 Lorum ipsum dolor sit amet,

Is it possible to detect when text wraps?

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问题 Is it possible to detect where text wraps? Lorem ipsum dolor sit amet lets say that above text wraps after 'dolor' word. How to detect that and insert there some mark of it so it would be Lorem ipsum dolor<div class='wrap-mark'/> sit amet for example? 回答1: I've seen this problem solved a few different ways. One of my favorites involves creating a div that mirrors the width of the container that holds your text. You then print words of your content into faux-container one-by-one, measuring the

How to restrict character limit by line or # of characters with css?

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问题 Is there a css property that can do one of the following? But first, let me explain. Imagine a masonry layout where each item is width: 200px; and each would be height: 250px; (this is just an example). In each item, there is a thumbnail and a link, and often times, this link wraps to 2-3 lines, and therefore makes the height of each item different. Is there a way I can set a maximum # of characters within a class, or cut off wrapping after a certain # of lines? And perhaps even add some css

Python textwrap Library - How to Preserve Line Breaks?

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问题 When using Python's textwrap library, how can I turn this: short line, long line xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx into this: short line, long line xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx I tried: w = textwrap.TextWrapper(width=90,break_long_words=False) body = '\n'.join(w.wrap(body)) But I get: short line, long line xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx (spacing not

Preserve normal word wrapping inside absolutely positioned container

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I have an absolutely positioned block of text inside a relatively positioned container. The absolutely positioned element exceeds the right boundary of its container. The problem is: the text isn't wrapping as normal; it's breaking prematurely rather than expanding to its defined max-width : Observed behavior: Desired behavior HTML/CSS ( JSFIDDLE : http://jsfiddle.net/WmcjM/ ): <style> .container { position: relative; width: 300px; background: #ccc; height: 100px; } .text { position: absolute; max-width: 150px; left: 290px; top: 10px; background: lightblue; } </style> <div class="container">

How can I disable auto-fill mode in emacs?

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Today I got my new PC (win 7, 32 bit) and installed Vincelt Goulets Emacs . The only other thing I did was updating org-mode. Now, I am stuck with auto-fill-mode on every time I start emacs new, which I hate. I would like to turn auto-fill-mode off, for now and forever. I even deleted my .emacs file but auto-fill-mode was still turned on. The only solution that worked was (a) a nasty workaround or (b) always typing M-x auto-fill-mode everytime I start emacs anew. I would be really happy to hear any solutions. To be clear, the only thing the current .emacs file contains is: '(inhibit-startup

Remove characters before and including _ in python 2.7

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问题 The following code returns into a nice readable output. def add_line_remove_special(ta_from,endstatus,*args,**kwargs): try: ta_to = ta_from.copyta(status=endstatus) infile = botslib.opendata(ta_from.filename,'r') tofile = botslib.opendata(str(ta_to.idta),'wb') start = infile.readline() import textwrap lines= "\r\n".join(textwrap.wrap(start, 640)) tofile.write(lines) infile.close() tofile.close() This is the output, now I would like to remove all the characters until and including the _ Ichg