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How to find current transaction level?
How do you find current database's transaction level on SQL Server?
5 Answers
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Creating Multifield Indexes in Mongoose / MongoDB
I'm trying to find documentation, to no avail, on how to create multi-field indexes in Mongoosejs. In particular I have two fields that need to be indexed and unique. What is an example mongoose schema that indexes two fields together?
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How to append to New Line in Node.js
I'm trying to Append data to a Log file using Node.js and that is working fine but it is not going to the next line. \n doesn't seem to be working in my function below. Any suggestions?
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Javascript - Open a given URL in a new tab by clicking a button
I would like to have a button that redirects to a given URL and opens in a new tab. How can this be done?
13 Answers
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Docker how to change repository name or rename image?
I'm trying to change repository name of the image:
7 Answers
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Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
I want to send temperature value from a microcontroller using UART to C# interface and Display temperature on Label.Content . Here is my microcontroller code:
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What is the fastest method for selecting descendant elements in jQuery?
As far is I know, there are a number of ways of selecting child elements in jQuery .
3 Answers
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常用Git命令汇总 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...变）
git reset <file> #从暂存区恢复到工作区（不指定版本id，则默认为最后一次提交的版本id）
git reset . #从暂存区恢复到工作区
git reset $id # 恢复到指定的提交版本，该$id之后的版本提交都恢复到工作区
git reset --hard $id #恢复...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...自boost文档
template<typename Tag,typename MultiIndexContainer>
void print_out_by( const MultiIndexContainer& s )
{
/* obtain a reference to the index tagged by Tag */
const typename boost::multi_index::index<MultiIndexContainer,Tag>::type& i = get<Tag>(s);
t...
Update or Insert (multiple rows and columns) from subquery in PostgreSQL
I'm trying to do something like this in postgres:
3 Answers
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