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How to turn off INFO logging in Spark?
...operties:
# Set everything to be logged to the console
log4j.rootCategory=INFO, console
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.target=System.err
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%d{yy...
When would you use .git/info/exclude instead of .gitignore to exclude files?
I am a bit confused about the pros and cons of using .git/info/exclude and .gitignore to exclude files.
4 Answers
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CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...具有缓存功能，所以大部分网页对象（Web page object），如html, htm, php等页面文件，gif,tif, png, bmp等图片文件，以及其他格式的文件，在有效期（TTL）内，对于重复的访问，不必从原始网站重新传送文件实体，只需通过简单的认证...
How to change maven logging level to display only warning and errors?
I want to prevent maven from displaying INFO messages, I want to see only WARNINGS and ERRORS (if any).
10 Answers
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Setting log level of message at runtime in slf4j
...ready implicitly defined by the methods in org.slf4j.Logger: debug, error, info, trace, warn.
– Edward Dale
Apr 12 '10 at 12:45
1
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How to overload std::swap()
... trying to get this message across since 1998: gotw.ca/publications/mill02.htm He doesn't mention swap in this article. But this is just another application of Herb's Interface Principle.
– Howard Hinnant
Aug 22 '15 at 21:20
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Hosting a Maven repository on github
... is to get it to upload that directory to GitHub.
Add your authentication information to ~/.m2/settings.xml so that the github site-maven-plugin can push to GitHub:
<!-- NOTE: MAKE SURE THAT settings.xml IS NOT WORLD READABLE! -->
<settings>
<servers>
<server>
&...
CSS filter: make color image with transparency white
...
You can use
filter: brightness(0) invert(1);
html {
background: red;
}
p {
float: left;
max-width: 50%;
text-align: center;
}
img {
display: block;
max-width: 100%;
}
.filter {
-webkit-filter: brightness(0) invert(1);
filter: brightness(0) ...
How to save traceback / sys.exc_info() values in a variable?
...y we can just print trace-back details from this object reference? sys.exc_info()[2]
– codersofthedark
Nov 23 '11 at 8:24
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Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
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From open-std.org/jtc1/sc22/wg14/www/docs/dr_317.htm I conclude that void f() {} is no [parameter] list and thus of course no empty list as required by 6.7.5.3 14. But then I do not know what would be an empty parameter list ...
– ljrk
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