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How do you version your database schema? [closed]
How do you prepare your SQL deltas? do you manually save each schema-changing SQL to a delta folder, or do you have some kind of an automated diffing process?
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Best way to store password in database [closed]
...d thing you are thinking about this and it is a good question, this is actually a duplicate of these questions (at least):
How to best store user information and user login and password
Best practices for storing database passwords
Salting Your Password: Best Practices?
Is it ever ok to store pass...
What is the purpose of the HTML “no-js” class?
...f/else statement in your CSS code. For example, .myclass { /* CSS code for all versions of your page goes here */ }, .js .myclass { /* This CSS code will only show up if JS is enabled */ } and .no-js .myclass { /* This CSS code will only show up if JS is disabled. */ }. Hope this helps. -Nick
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Change text from “Submit” on input tag
...Bnt" type="submit" value="like"/>
name is useful when using $_POST in php and also in javascript as document.getElementByName('submitBnt').
Also you can use name as a CS selector like input[name="submitBnt"];
Hope this helps
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Java or Python for Natural Language Processing [closed]
...s you're heading a project.
Other than NLTK (www.nltk.org), there are actually other libraries for text processing in python:
TextBlob: http://textblob.readthedocs.org/en/dev/
Gensim: http://radimrehurek.com/gensim/
Pattern: http://www.clips.ua.ac.be/pattern
Spacy:: http://spacy.io
Orange: http:/...
Different types of thread-safe Sets in Java
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1) The CopyOnWriteArraySet is a quite simple implementation - it basically has a list of elements in an array, and when changing the list, it copies the array. Iterations and other accesses which are running at this time continue with the old array, avoiding necessity of synchronization between...
C盘里有部分空间不知道哪儿去了？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ngfun.com/it/tech/1757.html。
但是。。。
以上步骤完成后，问题依旧？？
这时就要考虑占用空间的是“Documents and Settings”文件夹，而它还是隐藏的。
这样就可以显示Documents and Settings文件夹了。
如果出现“拒绝访问”的...
开源跳板机(堡垒机)Jumpserver v2.0.0 使用说明 - 开源 & Github - 清泛网 ...
...户信息，删除用户，回收权限没有讲解，自己试试吧，有问题可以群里讨论，Jumpserver是一个年轻的项目，可能存在一些BUG，需要您的及时反馈，帮助我们一起完善项目！
本文出自 “Free Linux, Share Linux” 博客，请务必保留此...
PSQLException: current transaction is aborted, commands ignored until end of transaction block
...gnored as a failed SQL statement. You are welcome to fail SQL statements all you want and PostgreSQL won't stop you.
Stay being in a transaction, but when you detect that the first SQL has failed, either rollback/re-start or commit/restart the transaction. Then you can continue failing as many S...
Is this a “good enough” random algorithm; why isn't it used if it's faster?
I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
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