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How to randomly pick an element from an array
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Since you have java 8, another solution is to use Stream API.
new Random().ints(1, 500).limit(500).forEach(p -> System.out.println(list[p]));
Where 1 is the lowest int generated (inclusive) and 500 is the highest (exclusive). limit means that your stream will have a length of...
Redirecting to URL in Flask
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From the Flask API Documentation (v. 0.10):
flask.redirect(location, code=302, Response=None)
Returns a response object (a WSGI application) that, if called, redirects the client to the target location. Supported codes are 301, 302...
Correct way to define Python source code encoding
...ing convention, means "match anywhere in the string", contrary to Python's API).
– martinjs
Dec 7 '15 at 10:49
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CSS :not(:last-child):after selector
...to accomplish this cross-browser. jQuery implements :not() in its selector API.
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How to send a PUT/DELETE request in jQuery?
... can also be used here, but they are not supported by all browsers." from: api.jquery.com/jQuery.ajax/#options
– andilabs
Dec 2 '13 at 8:11
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How to detect when a UIScrollView has finished scrolling
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Though it's the official API. It actually doesn't always work as we expect. @Ashley Smart gave a more practical solution.
– Di Wu
Jun 14 '11 at 8:45
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Sleep for milliseconds
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Note that there is no standard C API for milliseconds, so (on Unix) you will have to settle for usleep, which accepts microseconds:
#include <unistd.h>
unsigned int microseconds;
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usleep(microseconds);
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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...cache，比如redis、mongodb；redis比memcache有丰富的数据操作的API；redis和mongodb都对数据进行了持久化，而memcache没有这个功能，因此memcache更加适合在关系型数据库之上的数据的缓存。
Buffer系统
用在高速的写操作的场景中，平台中...
Typical .gitignore file for an Android app
...Android Studio 2.2 and later
.externalNativeBuild
# Google Services (e.g. APIs or Firebase)
google-services.json
# Freeline
freeline.py
freeline/
freeline_project_description.json
# fastlane
fastlane/report.xml
fastlane/Preview.html
fastlane/screenshots
fastlane/test_output
fastlane/readme.md
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Internet Explorer 11 detection
...nd only implemented in IE 11.
https://developer.mozilla.org/en-US/docs/Web/API/Window/crypto
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