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Byte array to image conversion
...n I preloaded a whole lot of large graphic files as bytearrays into memory and then turned them into images during viewing.
– Kayot
Nov 6 '17 at 1:59
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How to convert a clojure keyword into a string?
...on: Invalid token: :foo/bar/baz
(namespace :foo.bar/baz) => "foo.bar"
And this also works with namespace qualified keywords:
;; assuming in the namespace foo.bar
(namespace ::baz) => "foo.bar"
(name ::baz) => "baz"
...
Lua string to int
...
Nope, it'll convert "10" to integer and then add 0 to it. (The lack of clarity is all the more reason to use tonumber instead, though!)
– Rena
Jun 28 '15 at 6:32
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Reverse a string in Java
...ep 27 '11 at 12:47
Daniel BrockmanDaniel Brockman
16k33 gold badges2525 silver badges3838 bronze badges
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Test if string is a guid without throwing exceptions?
...sid);
}
}
Bottom line: If you need to check if a string is a guid, and you care about performance, use COM Interop.
If you need to convert a guid in String representation to a Guid, use
new Guid(someString);
shar...
PHP Get Site URL Protocol - http vs https
...e function to establish the current site url protocol but I don't have SSL and don't know how to test if it works under https. Can you tell me if this is correct?
...
What is Domain Driven Design (DDD)? [closed]
...e Wikipedia entry about DDD but still can't figure out what it actually is and how I would go about implementing it in creating my sites?
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using extern template (C++11)
...it will be instantiated somewhere else. It is used to reduce compile time and object file size.
For example:
// header.h
template<typename T>
void ReallyBigFunction()
{
// Body
}
// source1.cpp
#include "header.h"
void something1()
{
ReallyBigFunction<int>();
}
// source2....
New line in JavaScript alert box
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I'm working in MVC 4, and creating a confirm() in the onsubmit event of an Html.BeginForm(). \n does not work for me. I get an Illegal token error when the code gets hit. Apparently you need to escape both the newline character and the backslash t...
App Inventor 2 数学代码块 · App Inventor 2 中文网
...+ )
减 ( - )
乘 ( * )
除 ( / )
幂运算 ( ^ )
随机整数 (random integer)
随机小数 (random fraction)
设定随机数种子 (random set seed to)
最小值 (min)
最大值 (max)
平方根 (square root)
绝对值 (abs)
相反数 (neg)
对数 (log)
e^
四舍五入...