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How to have Android Service communicate with Activity
... I have a Service that will run in the background and do some gps and time based logging. I will have an Activity that will be used to start and stop the Service.
...
jsoncpp 不能处理__int64(long long)类型数据 - C/C++ - 清泛网 - 专注C/C++及内核技术
jsoncpp 不能处理__int64(long long)类型数据jsoncpp，是一个c++的解析和生成json的开源工具。如果你的c++程序需要解析或生成json，它会使这个过程变得很简单！但是，今天在用jsoncpp进...jsoncpp，是一个c++的解析和生成json的开源工具。如...
How to find the type of an object in Go?
...
Based on a barebones benchmark, the reflect approach is surprisingly more efficient gist.github.com/mrap/7f08c9549289b6aea2923c27888e7e3e
– Mike Rapadas
Apr 6 '17 at 20:53
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What does “The APR based Apache Tomcat Native library was not found” mean?
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It means exactly what it says: "The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path"
The library referred to is bundled into an OS specific dll (tcnative-1.dll) loaded via JN...
How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
...t it's unlikely to be universally-applicable. I have a bunch of other Java-based software tat I run as well like Eclipse, JasperReports iReport, etc. that are all likely to be affected by this. I think I'd rather just move the JDK1.8 directory somewhere else and use that explicitly with JAVA_HOME fo...
jQuery get values of checked checkboxes into array
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DEMO: http://jsfiddle.net/PBhHK/
$(document).ready(function(){
var searchIDs = $('input:checked').map(function(){
return $(this).val();
});
console.log(searchIDs.get());
});
Just call get() and you'll...
What are the mechanics of short string optimization in libc++?
...ng
Note: __compressed_pair is essentially a pair optimized for the Empty Base Optimization, aka template <T1, T2> struct __compressed_pair: T1, T2 {};; for all intents and purposes you can consider it a regular pair. Its importance just comes up because std::allocator is stateless and thus e...
How do I convert between big-endian and little-endian values in C++?
...32 bit numbers:
unsigned long _byteswap_ulong(unsigned long value);
For 64 bit numbers:
unsigned __int64 _byteswap_uint64(unsigned __int64 value);
8 bit numbers (chars) don't need to be converted.
Also these are only defined for unsigned values they work for signed integers as well.
For floa...
What does the brk() system call do?
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If you want to do fancy memory allocation, either base it oon top of malloc, or on top of mmap. Don't touch brk and sbrk, they are relics from the past that do more harm than good (even the manpages tell you to stay clear of them!)
– Eloff
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Google Authenticator implementation in Python
...ected with incorrect value of secret key (it must be correct parameter for base64.b32decode() function).
Below I post full working solution with explanation on how to use it.
Code
The following code is enough. I have also uploaded it to GitHub as separate module called onetimepass (available here...