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How do you switch pages in Xamarin.Forms?
...displayed and replace its Content.
The suggested options of replacing the root page works as well, but you'll have to handle that differently for each platform.
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How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...en you should also "extrac32 110" in .rsrc/JAVA_CAB9, and copy that to the root of your resulting JDK directory.
– Chris Noe
Jul 17 '13 at 16:15
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How do you configure logging in Hibernate 4 to use SLF4J
...lt;/appender>
<logger name="org.hibernate" level="debug"/>
<root level="info">
<appender-ref ref="console"/>
</root>
</configuration>
<!-- end: logback.xml -->
Some components may want to have access to logback.xml at JVM start-up time for proper logg...
Ruby equivalent of virtualenv?
...s)
bundler install --binstubs --path vendor
Running this command in the root of a project will install the gems listed from your Gemfile, put the libs in ./vendor, and any executables in ./bin and all requires (if you use bundle console or the Bundler requires) will reference these exes and libs....
Difference between HBase and Hadoop/HDFS
...d when you have real-time needs.
An analogous comparison would be between MySQL and Ext4.
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Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...真实性能指标，区分清幻想和现实。我们才能真正考虑好如何合理的利用 Redis 的多功能特性，并有效规避的它的弱项，再给出一些 Redis 的使用建议：
-根据数据性质把 Redis 集群分类；我的经验是分三类：cache、buffer 和 db
- cache...
Which $_SERVER variables are safe?
...iguration.
'GATEWAY_INTERFACE'
'SERVER_ADDR'
'SERVER_SOFTWARE'
'DOCUMENT_ROOT'
'SERVER_ADMIN'
'SERVER_SIGNATURE'
Partly server controlled
These variables depend on the specific request the client sent, but can only take a limited number of valid values, since all invalid values should be reject...
ReactJS - Does render get called any time “setState” is called?
...only time when render isn't called is when some branch is moved to another root, where theoretically we don't need to re-render anything. In your example, TimeInChild is a child component of Main, so it also gets re-rendered when the state of Main changes.
React doesn't compare state data. When setS...
What are copy elision and return value optimization?
...w";//RVO
return 0;
}
**Output without -fno-elide-constructors**
root@ajay-PC:/home/ajay/c++# ./a.out
Constructor
Constructor
Constructor
Constructor
Destructor
Destructor
Destructor
Destructor
**Output with -fno-elide-constructors**
root@ajay-PC:/home/ajay/c++# g++...
Loop through all nested dictionary values?
...ycle), the stack/recursion will run infinitely.
root<-------back edge
/ \ |
_key1 __key2__ |
/ / \ \ |
|->key1.1 key2.1 key2.2 key2.3
|...