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How to get current timestamp in milliseconds since 1970 just the way Java gets
...e <chrono>
#include <iostream>
int main() {
unsigned __int64 now = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
std::cout << now << std::endl;
return 0;
}
...
How does autowiring work in Spring?
...@Autowired then:
class EnglishGreeting {
@Autowired //so automatically based on the name it will identify the bean and inject.
private Greeting greeting;
//setter and getter
}
.xml file it will look alike if not using @Autowired:
<bean id="englishGreeting" class="com.bean.EnglishGree...
error: ‘uint16_t’ does not name a type - c++1y / stl - 清泛IT社区，为创新赋能！
...;
/* ISO C9x 7.18 Integer types <stdint.h>
* Based on ISO/IEC SC22/WG14 9899 Committee draft (SC22 N2794)
*/
#define __need_wint_t
#define __need_wchar_t
#include <stddef.h>
/* 7.18.1.1 Exact-width integer types */
typedef signed char int8_t;
typedef...
javac : command not found
... ax.ax.
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WiX tricks and tips
... Installed OR IIS_MAJOR_VERSION
</Condition>
Checking if IIS 6 Metabase Compatibility is installed on Vista+:
<Property Id="IIS_METABASE_COMPAT">
<RegistrySearch Id="CheckIISMetabase" Root="HKLM" Key="SOFTWARE\Microsoft\InetStp\Components" Name="ADSICompatibility" Type="raw" /&...
How to print a query string with parameter values when using Hibernate
... the bound parameters among other things.
Another solution (non hibernate based) would be to use a JDBC proxy driver like P6Spy.
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using lodash .groupBy. how to add your own keys for grouped output?
...
}];
console.log(
_.chain(data)
// Group the elements of Array based on `color` property
.groupBy("color")
// `key` is group's name (color), `value` is the array of objects
.map((value, key) => ({ color: key, users: value }))
.value()
);
<script src="https://c...
Extracting bits with a single multiplication
... Let's re-state the problem being asked as a theorem:
"There exists some 64-bit constants 'mask' and 'multiplicand' such that, for all 64-bit bitvectors x, in the expression y = (x & mask) * multiplicand, we have that y.63 == x.63, y.62 == x.55, y.61 == x.47, etc."
If this sentence is in fact...
JavaScript/jQuery to download file via POST with JSON data
I have a jquery-based single-page webapp. It communicates with a RESTful web service via AJAX calls.
14 Answers
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
a9:8a:3a:3d:64:eb:0b:de:94:a5:92:e4:ba:5d:f3:de root@gfs_1
The key's randomart image is:
+--[ RSA 2048]----+
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