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Passing a method as a parameter in Ruby
...ng. It's worth noting that you call method( :<name> ) just once when converting your method name to a callable symbol. You can store that result in a variable or a parameter and keep passing it to child functions like any other variable from then on...
– user1115652
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How do you make an array of structs in C?
... a question about the placement between the declaration of the struct type and then actually making an instance of it - I have a different struct, one that I defined the contents of below where I first make an instance of it (just one this time, not an array), so why didn't this make the massive ser...
VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
... Name="Arm asm" DisplayName="Arm asm"
CommandLine="armasm -o "$(IntDir)/$(InputName).obj" [$Inputs] "
Outputs="$(IntDir)/$(InputName).obj"
FileExtensions="*.asm"
ExecutionDescription="Executing tool..."
>
<Properties></Properties>
</Custo...
Is it expensive to use try-catch blocks even if an exception is never thrown?
...rown, it now does a relatively expensive operation of walking up the stack and seeing if any try blocks exist that would catch this exception. From a layman's perspective, try may as well be free. It's actually throwing the exception that costs you - but unless you're throwing hundreds or thousands ...
lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...行上下文
lua_State* luaL_newstate(void) ;
//加载lua脚本文件
int luaL_loadfile(lua_State *L, const char *filename);
lua和c/c++的数据交互通过"栈"进行 ,操作数据时,首先将数据拷贝到"栈"上,然后获取数据,栈中的每个数据通过索引值进行定位...
Regular expressions in C: examples?
I'm after some simple examples and best practices of how to use regular expressions in ANSI C. man regex.h does not provide that much help.
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Android: why is there no maxHeight for a View?
... ScrollView set to wrap_content but having a maxHeight so it would stop expanding after a certain point and start scrolling. I just simply overrode the onMeasure method in ScrollView.
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
heightMeasureSpec = MeasureS...
How to insert a character in a string at a certain position?
...34.50 ). Therefore, I need a function that will take an int as parameter and return the properly formatted String with a decimal point 2 digits from the end.
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Code Golf - π day
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In dc: 88 and 93 93 94 96 102 105 129 138 141 chars
Just in case, I am using OpenBSD and some supposedly non-portable extensions at this point.
93 chars. This is based on same formula as FORTRAN solution (slightly different results t...
Subtract days from a date in JavaScript
...ime. So will correctly subtract 7 days time from the Date object. When you convert it to a string in your specified time zone it will correctly show the time for that zone.
– awjr
Oct 2 '15 at 14:40
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