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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...
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...
上班狗来算算 你离财务自由还差多少钱？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...鸡冻呢~
2。财务自由需要多少软妹币？
这是一个复杂的问题。胡润曾对财务自由的实现给出了一个数字——1亿元。他认为1亿元之后再多的钱就没有必要，说白了就是花不完了，“要想活得舒服，有一套别墅外加在市中心有一...
Best practice for embedding arbitrary JSON in the DOM?
... place to put it ? head or body, top or bottom ?
– challet
Mar 20 '17 at 15:32
1
Unfortunately, i...
Why can I throw null in Java? [duplicate]
...llPointerException and not a FileNotFoundException
– php_coder_3809625
Aug 24 '16 at 5:50
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比起创业孵化器 双创中国更急需的是创业教育 - 资讯 - 清泛网 - 专注C/C++...
...创业者面对面分享自己的心得体会，探讨创业路上的具体问题。这种分享是免费和开放的。诸多的谷创业明星都曾来到这个平台进行分享，影响了一批又一批的创业者。
而在中国，这种创业分享形式却被现实原因所阻碍。最为...
What special characters must be escaped in regular expressions?
...nds on the regex flavor you're working with.
For PCRE, and most other so-called Perl-compatible flavors, escape these outside character classes:
.^$*+?()[{\|
and these inside character classes:
^-]\
For POSIX extended regexes (ERE), escape these outside character classes (same as PCRE):
.^$*...
Inject service in app.config
...e into app.config, so that data can be retrieved before the controller is called. I tried it like this:
10 Answers
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.net implementation of bcrypt
...han BCrypt.dll or it will conflict with the new Windows API in Vista that calls functions in a 'bcrypt.dll', so if you have Bcrypt.net as Bcrypt.dll in your web app bin/ directory Windows won't be able to find the correct dll and you will get some cryptic errors.
– thelsdj
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Python + Django page redirect
...direct (e.g. cflocation in ColdFusion, or header(location:http://) for PHP) in Django?
10 Answers
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