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sbt-assembly: deduplication found error
... += "org.apache.spark" %% "spark-core" % "1.1.0" % "provided"
If needed, read more at
https://github.com/sbt/sbt-assembly#excluding-jars-and-files
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How to get the insert ID in JDBC?
...racle JDBC driver is still somewhat troublesome with this. MySQL and DB2 already supported it for ages. PostgreSQL started to support it not long ago. I can't comment about MSSQL as I've never used it.
For Oracle, you can invoke a CallableStatement with a RETURNING clause or a SELECT CURRVAL(sequen...
Maven is not working in Java 8 when Javadoc tags are incomplete
...ting Javadocs. You need to turn this off for Java 8 as specified in this thread. You'll have to add this to your maven configuration:
<profiles>
<profile>
<id>java8-doclint-disabled</id>
<activation>
<jdk>[1.8,)</jdk>
</activation>...
When do I use the PHP constant “PHP_EOL”?
... Sep 24 '08 at 17:35
Adam BellaireAdam Bellaire
95.6k1919 gold badges141141 silver badges159159 bronze badges
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Insert Update trigger how to determine if insert or update
... IF EXISTS(SELECT 1) ... have exactly the same performance. The row is not read nor fetched at all. In fact you can also use IF EXISTS(SELECT 1/0 ...) and it will still work and won't cause divide by zero error.
– Endrju
Oct 5 '14 at 10:15
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
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导入/导出整个数据库
常见 CRUD（ 增加(Create)、读取(Read)、更新(Update)和删除(Delete) ） 操作方法
数据操作方法的内联和异步版本
可以使用参数化 SQL 语句（防止 SQL 注入）
查询结果以正确列表的形式返回
数据库生命周...
How do I tokenize a string in C++?
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Not that I dislike C, however strtok is not thread-safe, and you need to be certain that the string you send it contains a null character to avoid a possible buffer overflow.
– tloach
May 10 '10 at 13:18
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How to run multiple Python versions on Windows
...ython 3.3 or newer there's no need to install it as it comes with Python already) and either add shebang lines to your scripts;
#! c:\[path to Python 2.5]\python.exe - for scripts you want to be run with Python 2.5
#! c:\[path to Python 2.6]\python.exe - for scripts you want to be run with Python ...
Convert unix time to readable date in pandas dataframe
...prices in it. I want to convert the index column so that it shows in human readable dates.
4 Answers
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Java Replacing multiple different substring in a string at once (or in the most efficient way)
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Future reader : for regex, "(" and ")" will enclose the group to search. The "%" counts as a literal in the text. If your terms don't start AND end with the "%" they will not be found. So adjust prefixes and suffixes on both parts (...