大约有 43,000 项符合查询结果（耗时：0.0611秒） [XML]
Random color generator
...action see http://blog.adamcole.ca/2011/11/simple-javascript-rainbow-color.html.
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How to enable MySQL Query Log?
...ET general_log = 1;
See http://dev.mysql.com/doc/refman/5.1/en/query-log.html
For mysql 5.1.29+
With mysql 5.1.29+ , the log option is deprecated. To specify the logfile and enable logging, use this in my.cnf in the [mysqld] section:
general_log_file = /path/to/query.log
general_log = 1
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How to calculate number of days between two given dates?
...The relevant section of the docs:
https://docs.python.org/library/datetime.html.
See this answer for another example.
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Can I change the height of an image in CSS :before/:after pseudo-elements?
...h cases
(from http://lists.w3.org/Archives/Public/www-style/2011Nov/0451.html )
Similarly, browsers show very different results on things like http://jsfiddle.net/Nwupm/1/ , where more than one element is generated. Keep in mind that CSS3 is still in early development stage, and this issue has ye...
How to find the mime type of a file in python?
...s more convenient now:
import mimetypes
print(mimetypes.guess_type("sample.html"))
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How do I read text from the (windows) clipboard from python?
...is useful if you want to perform more complex operations, e.g. getting the HTML-formatted content out of clipboard. See stackoverflow.com/questions/17298897/…
– xji
Sep 8 '16 at 8:23
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vagrant up failed, /dev/vboxnetctl: no such file or directory
...pple:
https://developer.apple.com/library/content/technotes/tn2459/_index.html
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Modular multiplicative inverse function in Python
...ies in Python: http://www.math.umbc.edu/~campbell/Computers/Python/numbthy.html
Here is an example done at the prompt:
m = 1000000007
x = 1234567
y = pow(x,m-2,m)
y
989145189L
x*y
1221166008548163L
x*y % m
1L
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How to print last two columns using awk
...IX say?
per:
http://www.opengroup.org/onlinepubs/009695399/utilities/awk.html
There is no direction one way or the other. Not good. gawk implies subtraction, other awks imply field number or subtraction. hmm.
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How do you serve a file for download with AngularJS or Javascript?
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Just click the button to download using following code.
in html
<a class="btn" ng-click="saveJSON()" ng-href="{{ url }}">Export to JSON</a>
In controller
$scope.saveJSON = function () {
$scope.toJSON = '';
$scope.toJSON = angular.toJson($scope.dat...