大约有 9,900 项符合查询结果(耗时:0.0219秒) [XML]

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PHP file_get_contents() and setting request headers

...t worked for me (Dominic was just one line short). $url = ""; $options = array( 'http'=>array( 'method'=>"GET", 'header'=>"Accept-language: en\r\n" . "Cookie: foo=bar\r\n" . // check function.stream-context-create on php.net "User-Agent: Mozilla/5.0 ...
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What's the fastest way to read a text file line-by-line?

...xcept that this method grows a list of strings used to create the returned array of lines so the memory requirements are higher. However, it returns String[] and not an IEnumerable<String> allowing you to randomly access the lines. var lines = File.ReadAllLines(fileName); for (var i = 0; i &l...
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Any implementation of Ordered Set in Java?

...led NSOrderedSet that acts as Set and its items can be accessed as an Array 's ones. 10 Answers ...
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How do I compare two hashes?

...hash1.to_a == hash3.to_a # => false You can convert the hashes to arrays, then get their difference: hash3.to_a - hash1.to_a # => [["c", 3]] if (hash3.size > hash1.size) difference = hash3.to_a - hash1.to_a else difference = hash1.to_a - hash3.to_a end Hash[*difference.flatten] ...
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Very large matrices using Python and NumPy

...nd. Not bad for a Python-based solution! Accessing the data as a NumPy recarray again is as simple as: data = table[row_from:row_to] The HDF library takes care of reading in the relevant chunks of data and converting to NumPy. ...
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Modifying a subset of rows in a pandas dataframe

...c here, .loc is primarily label based, but may also be used with a boolean array. So, what we are doing above is applying df.loc[row_index, column_index] by: Exploiting the fact that loc can take a boolean array as a mask that tells pandas which subset of rows we want to change in row_index Ex...
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What is the most accurate way to retrieve a user's correct IP address in PHP?

...cleaner way to get the IP address: function get_ip_address(){ foreach (array('HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR') as $key){ if (array_key_exists($key, $_SERVER) === true){ ...
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What is the difference between sed and awk? [closed]

...ramming constructs including if/else, while, do/while and for (C-style and array iteration). There is complete support for variables and single-dimension associative arrays plus (IMO) kludgey multi-dimension arrays. Mathematical operations resemble those in C. It has printf and functions. The "K" in...
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convert ArrayList to JSONArray

I have an ArrayList that I use within an ArrayAdapter for a ListView. I need to take the items in the list and convert them to a JSONArray to send to an API. I've searched around, but haven't found anything that explains how this might work, any help would be appreciated. ...
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How do I check if a given string is a legal/valid file name under Windows?

...expression. UPD2: Note that according to the Remarks section in MSDN "The array returned from this method is not guaranteed to contain the complete set of characters that are invalid in file and directory names." The answer provided by sixlettervaliables goes into more details. ...