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Converting Epoch time into the datetime
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364
To convert your time value (float or int) to a formatted string, use:
time.strftime('%Y-%m-%d ...
Is there any way to check if iOS app is in background?
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64
Thank you — and for additional clarity it's [[UIApplication sharedApplication] applicationState] == UIApplicationStateBackground.
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Postgresql - unable to drop database because of some auto connections to DB
...raig Ringer
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20
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MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...rn hItem;
}
[page]CListCtrl中选择变化时如何获得通知?[/page]84. CListCtrl中选择变化时如何获得通知?
我在Report View中使用了一个CListCtrl(自绘制类型),我想知道什么时候选择项发生了改变.
在选择项变化时,可以使用按钮有效或失效,...
Open Source Java Profilers [closed]
...sic console profiler.
Example output:
JvmTop 0.7.0 alpha - 15:16:34, amd64, 8 cpus, Linux 2.6.32-27, load avg 0.41
http://code.google.com/p/jvmtop
Profiling PID 24015: org.apache.catalina.startup.Bootstrap
36.16% ( 57.57s) hudson.model.AbstractBuild.calcChangeSet()
30.36% ( 48.33s)...
MySQL: Can't create table (errno: 150)
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64
You can get the actual error message by running SHOW ENGINE INNODB STATUS; and then looking for...
Is floating point math broken?
...power of two cannot be exactly represented.
For 0.1 in the standard binary64 format, the representation can be written exactly as
0.1000000000000000055511151231257827021181583404541015625 in decimal, or
0x1.999999999999ap-4 in C99 hexfloat notation.
In contrast, the rational number 0.1, which i...
How do I find the PublicKeyToken for a particular dll?
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shA.t
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answered Jun 10 '14 at 8:17
danielBdanielB
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How to implement infinity in Java?
...negative integers. Integer.MAX_VALUE + 5 = Integer.MIN_VALUE + 4 = -2147483644.
– Erick G. Hagstrom
Aug 11 '15 at 13:41
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'printf' vs. 'cout' in C++
...td::string)). For instance, to print size_t, you need to use %zd, while int64_t will require using %"PRId64". The tables are available at http://en.cppreference.com/w/cpp/io/c/fprintf and http://en.cppreference.com/w/cpp/types/integer.
You can't print the NUL byte, \0
Because printf uses C strings...