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How to get the index of an item in a list in a single step?
...t. However... this is only iterating over the source collection once. LINQ sets up a pipeline, which lazily transforms the input sequence into another sequence, and then the Single() operation iterates over that sequence and finds the single item which matches the predicate. For more details, read m...
Can't connect to localhost on SQL Server Express 2012 / 2016
...ing "localhost" as the server name and not "localhost\SQLEXPRESS01" as was set in the installation
– Guy s
May 17 '18 at 11:07
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ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...L正则表达式库使用ATL中，由于ATL Server的需要，需要对Client发送过来的地址、命令等复杂文字字段信息解码，而正则表达式是公认的最强大的文字解析工具，所...ATL中，由于ATL Server的需要，需要对Client发送过来的地址、命令等复...
How do I debug error ECONNRESET in Node.js?
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You might have guessed it already: it's a connection error.
"ECONNRESET" means the other side of the TCP conversation abruptly closed its end of the connection. This is most probably due to one or more application protocol errors. You could look at the API server logs to see if it complains a...
How to pretty print XML from the command line?
...bxml2-utils
This utility comes with libxml2-utils:
echo '<root><foo a="b">lorem</foo><bar value="ipsum" /></root>' |
xmllint --format -
Perl's XML::Twig
This command comes with XML::Twig perl module, sometimes xml-twig-tools package:
echo '<root><foo ...
Which one will execute faster, if (flag==0) or if (0==flag)?
Interview question: Which one will execute faster, if (flag==0) or if (0==flag) ? Why?
16 Answers
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What does Visual Studio mean by normalize inconsistent line endings?
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Is there a general setting which affects all files together? Its a pain to do this for all sources under a solution.
– Klaus
Jul 28 '16 at 7:32
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Using SSH keys inside docker container
... ssh-keyscan github.com > /root/.ssh/known_hosts
# Add the keys and set permissions
RUN echo "$ssh_prv_key" > /root/.ssh/id_rsa && \
echo "$ssh_pub_key" > /root/.ssh/id_rsa.pub && \
chmod 600 /root/.ssh/id_rsa && \
chmod 600 /root/.ssh/id_rsa.pub
# A...
Best/Most Comprehensive API for Stocks/Financial Data [closed]
...I'm not too picky about how it's exposed (SOAP, REST, some proprietary XML setup, etc.), as long as it's got some decent documentation.
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Execute JavaScript code stored as a string
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With eval("my script here") function.
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