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Difference between DateTime and Time in Ruby
...DateTime and Time classes in Ruby and what factors would cause me to choose one or the other?
7 Answers
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What is Cache-Control: private?
...8 GMT
The server receives the request, realizes that the client has the most recent version already. Rather than sending the client 200 OK, followed by the contents of the page, instead it tells you that your cached version is good:
304 Not Modified
Your browser did have to suffer the delay of ...
Framework vs. Toolkit vs. Library [duplicate]
...
The most important difference, and in fact the defining difference between a library and a framework is Inversion of Control.
What does this mean? Well, it means that when you call a library, you are in control. But with a framew...
What's the difference between UTF-8 and UTF-8 without BOM?
...t files as file system metadata would be a better way to preserve it. But most of us living in the real world can't change the file system of the OS(s) our programs get run on -- so using the Unicode standard's platform-independent BOM signature seems like the best and most practical alternative IMH...
overlay two images in android to set an imageview
... android:left, android:right, android:top and android:down to control the position of one of the layers in the .xml file.
– zabawaba99
Oct 24 '12 at 3:44
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Comparison between Corona, Phonegap, Titanium
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I registered with stackoverflow just for the purpose of commenting on the mostly voted answer on top. The bad thing is stackoverflow does not allow new members to post comments. So I have to make this comment more look like an answer.
Rory Blyth's answer contains some vali...
C++ Dynamic Shared Library on Linux
...ual otherwise linker will try to perform static linkage */
virtual void DoSomething();
private:
int x;
};
#endif
myclass.cc
#include "myclass.h"
#include <iostream>
using namespace std;
extern "C" MyClass* create_object()
{
return new MyClass;
}
extern "C" void destroy_object( My...
Can someone explain __all__ in Python?
...al interfaces - python.org/dev/peps/pep-0008/#id50, To better support introspection, modules should explicitly declare the names in their public API using the __all__ attribute. Setting __all__ to an empty list indicates that the module has no public API.
– debug
...
What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...e Format)
Image formats can be separated into three broad categories:
lossy compression,
lossless compression,
uncompressed,
Uncompressed formats take up the most amount of data, but they are exact representations of the image. Bitmap formats such as BMP generally are uncompressed, although th...
Swift 和 .Net 开源，回顾 2015 年 9 大开源事件 - 开源 & Github - 清泛网 - 专注IT技能提升
...第一次开源了，它早已因开源基于 Linux 的 Android 和 Chrome OS 而名声大噪。它也开源了很多其他的软件。
今年，Google 开源了人工智能（AI）发动机 TensorFlow，该公司表示“该系统最初是由 Google 机器智能研究组织下的 Google Brain 团...