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symbolic link: find all files that link to this file
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It depends, if you are trying to find links to a specific file that is called foo.txt, then this is the only good way:
find -L / -samefile path/to/foo.txt
On the other hand, if you are just trying to find links to any file that happen...
Removing index column in pandas when reading a csv
...column(s), it is not a column, which is why del df['index'] did not work.
If you want to replace the index with simple sequential numbers, use df.reset_index().
To get a sense for why the index is there and how it is used, see e.g. 10 minutes to Pandas.
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Do you need break in switch when return is used?
I was wondering if I need to use "break" in "switch" function when "return" is used.
7 Answers
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Gson - convert from Json to a typed ArrayList
...stom class JsonLog ? Basically, JsonLog is an interface implemented by different kinds of logs made by my Android app--SMS logs, call logs, data logs--and this ArrayList is a collection of all of them. I keep getting an error in line 6.
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Difference between jQuery’s .hide() and setting CSS to display: none
... is quicker than writing out .css("display", "none") , but what’s the difference and what are both of them actually doing to the HTML element?
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How to determine if a decimal/double is an integer?
How do I tell if a decimal or double value is an integer?
14 Answers
14
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Get the value in an input text box
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@ParbhuBissessar Not necessarily. If he wants the literal text 'bla', the he's got it right. If he wants the val of the var bla then he needs to remove the quotes.
– double_j
Nov 15 '16 at 21:49
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Print a string as hex bytes?
...answer sort of assume that your input never contains non-ASCII characters. If your input might contain things like emojis or non-Latin based writting systems, you might want to use ":".join("{:04x}".format(ord(c)) for c in s) (replacing 02x with 04x to zero-pad each number to be 4 digits) instead
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Javascript : Send JSON Object with Ajax?
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With jQuery:
$.post("test.php", { json_string:JSON.stringify({name:"John", time:"2pm"}) });
Without jQuery:
var xmlhttp = new XMLHttpRequest(); // new HttpRequest instance
xmlhttp.open("POST", "/json-handler");
xmlhttp.setRequestHeader("Content-Type", "application/json");
xml...
in_array() and multidimensional array
..., $haystack, $strict = false) {
foreach ($haystack as $item) {
if (($strict ? $item === $needle : $item == $needle) || (is_array($item) && in_array_r($needle, $item, $strict))) {
return true;
}
}
return false;
}
Usage:
$b = array(array("Mac", "NT")...