大约有 40,000 项符合查询结果(耗时:0.0703秒) [XML]

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What is the best collation to use for MySQL with PHP? [closed]

...site where you aren't 100% sure of what will be entered? I understand that all the encodings should be the same, such as MySQL, Apache, the HTML and anything inside PHP. ...
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What's the difference between using CGFloat and float?

I tend to use CGFloat all over the place, but I wonder if I get a senseless "performance hit" with this. CGFloat seems to be something "heavier" than float, right? At which points should I use CGFloat, and what makes really the difference? ...
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What's the difference between process.cwd() vs __dirname?

... Does this mean that process.cwd() is synonym to . for all cases except for require()? – Alexander Gonchiy Aug 29 '15 at 9:44 11 ...
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How to take the first N items from a generator or list in Python? [duplicate]

...imple syntax: array[start:stop:step] You can omit any parameter. These are all valid: array[start:], array[:stop], array[::step] Slicing a generator import itertools top5 = itertools.islice(my_list, 5) # grab the first five elements You can't slice a generator directly in Python. itertools.i...
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How to remove non-alphanumeric characters?

I need to remove all characters from a string which aren't in a-z A-Z 0-9 set or are not spaces. 9 Answers ...
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Adding custom radio buttons in android

... option ..... how to remove that ... keeping the functionality intact .... All i am trying to achieve as i showed in my question ... Any further directions ! [Note:: please look at the updated question] – Devrath Oct 3 '13 at 16:41 ...
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Vim: insert the same characters across multiple lines

...e the screen in the first line - until Esc is pressed (6.), at which point all lines will be updated. Press Esc. An uppercase I must be used rather than a lowercase i, because the lowercase i is interpreted as the start of a text object, which is rather useful on its own, e.g. for selecting insi...
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How to get line count of a large file cheaply in Python?

... You can't get any better than that. After all, any solution will have to read the entire file, figure out how many \n you have, and return that result. Do you have a better way of doing that without reading the entire file? Not sure... The best solution will always ...
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How do I strip all spaces out of a string in PHP? [duplicate]

...ds, whitespace is any kind of space in text: regular space, new line, tab, etc – juuga Sep 13 '13 at 8:37 You need @Bu...
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In MySQL, can I copy one row to insert into the same table?

...an existing row in the table) but I want to do this without having to list all the columns after the "select", because this table has too many columns. ...