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Inheriting class methods from modules / mixins in Ruby
... way of defining a class method is to use self within the class definition block, which refers to the class object being created:
class Abc
def self.foo
"foo"
end
end
Abc.singleton_class.instance_methods(false)
#=> [:foo]
How do I include the class methods in a module?
As we just est...
'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
...er languages.
So, if I "just change the database", thousands of lines of PHP code will break.
Java programmers need to accept the MySQL zero-date and they need to put a zero date back into the database, when other languages rely on this "feature".
A programmer connecting to MySQL needs to handle...
How to flip background image using CSS?
...:url(http://i.stack.imgur.com/ah0iN.png) no-repeat 0 0;
display:inline-block
}
.next a:before {
margin:0 0 0 5px;
transform:scaleX(-1);
}
See example here http://jsfiddle.net/qngrf/807/
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Sign APK without putting keystore info in build.gradle
...ith plugin version 0.9.+. What am I supposed to do with the signingConfigs block and buildTypes.release.signingConfig item? remove them?
– Fernando Gallego
Jun 3 '14 at 15:59
1
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jQuery, simple polling example
...
function poll(){
$("ajax.php", function(data){
//do stuff
});
}
setInterval(function(){ poll(); }, 5000);
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Shortcut to exit scale mode in VirtualBox [closed]
...rked like a charm for me.
Source: https://forums.virtualbox.org/viewtopic.php?f=8&t=47821
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Replace transparency in PNG images with white background
...do not forget to do backup. More info here: imagemagick.org/script/mogrify.php
– tro
Jun 22 '17 at 17:28
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编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...C实现，则整个代码会很长）：
_s_FuncInfo* info = mainCatchBlockInfo1;
__asm { mov eax, info } //通过eax为下面这个函数提供参数
// and passed through eax
goto CxxFrameHandler3;
类型_s_FuncInfo也是编译器内建的一种结构体。它类似于_ThrowInfo，里...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...C实现，则整个代码会很长）：
_s_FuncInfo* info = mainCatchBlockInfo1;
__asm { mov eax, info } //通过eax为下面这个函数提供参数
// and passed through eax
goto CxxFrameHandler3;
类型_s_FuncInfo也是编译器内建的一种结构体。它类似于_ThrowInfo，里...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...C实现，则整个代码会很长）：
_s_FuncInfo* info = mainCatchBlockInfo1;
__asm { mov eax, info } //通过eax为下面这个函数提供参数
// and passed through eax
goto CxxFrameHandler3;
类型_s_FuncInfo也是编译器内建的一种结构体。它类似于_ThrowInfo，里...