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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
....log | awk '{
if (match($0, /.*(PHP Deprecated|PHP Notice|PHP Fatal error|PHP Warning|ERROR|WARN).*/)) { print "\033[41;37;1m"$0"\033[0m" }
else if (match($0, /.*关键信息1.*/)) { print "\033[32;1m"$0"\033[0m" }
else if (match($0, /.*关键信息2.*/)) { print "\033[36;1m"$0"\033[0m" }...
Check if object exists in JavaScript
...core Javascript feature, it is a shame that there is not a better and less error-prone built-in. The string comparison prevents the compiler from 100% reliably tell us when we made a small mistake (like a typo) in these kinds of checks.
– Domi
Nov 24 '13 at 9:1...
How can I setup & run PhantomJS on Ubuntu?
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I ran into this issue: bin/phantomjs: error while loading shared libraries: libfontconfig.so.1: cannot open shared object file: No such file or directory. I found a fix here. Run the command: sudo apt-get install libfontconfig
– Neil Hoff
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Any reason why scala does not explicitly support dependent types?
...icitly[foo1.Bar =:= foo2.Bar] // Not OK: unequal types
<console>:11: error: Cannot prove that foo1.Bar =:= foo2.Bar.
implicitly[foo1.Bar =:= foo2.Bar]
In my view, the above should be enough to answer the question "Is Scala a dependently typed language?" in the positive: it's cl...
Debug code-first Entity Framework migration codes
... have this disabled already skip this step
Debug your application, fix the error and remove the "hack"
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How do I assert equality on two classes without an equals method?
...u don't have to pull in yet another test framework and it'll give a useful error when the assert fails (expected: field=<value> but was field=<something else>) instead of expected: true but was false if you use something like EqualsBuilder.reflectionEquals().
The downside is that it is ...
Response.Redirect to new window
...to that page. But when I keep fixform() method in the masterpage it throws error saying document is null. Not sure why it is throwing still trying to find a solution. Though I've come up with a temporary solution by using onClientClick="aspnetForm.target='';" property for other buttons on that page....
Most pythonic way to delete a file which may not exist
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A more pythonic way would be:
try:
os.remove(filename)
except OSError:
pass
Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions.
It may be worthwhile to write a functio...
Update statement with inner join on Oracle
...which works fine in MySQL, but when I run it on Oracle I get the following error:
14 Answers
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Do you need text/javascript specified in your tags?
...ML comments are not to include --, so a script that decrements has an HTML error.
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type="text/javascript"
This attribute is optional. Since Netscape 2, the default programming language in all browsers has been JavaScript. In XHTML, this attribute is required and unnecessary. In HTML, ...