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C#: how to get first char of a string?
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Just MyString[0]. This uses the String.Chars indexer.
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c++提取复数的实部和虚部 - C/C++ - 清泛网 - 专注C/C++及内核技术
...arse(COMPLEX * cp, const char * strCplx, const int len)
{
memset(cp, 0, sizeof(COMPLEX));
char buf[MAX_BUF_LEN];
int signPos = -1, // +/-号位置
iPos = -1; // 结尾的i的位置
for (int i = len-1; i >-1; i--)
{
if ('i' == strCplx[i])
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路径 /storage/emulated/0/... 在哪儿？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
路径 /storage/emulated/0/... 在哪儿？有时Android下载文件提示保存在 storage emulated 0 ...目录下，但是在文件管理器中根本找不到这个目录，那么这个目录到底在何方呢？有时Android下载文件提示保存在/storage/emulated/0/...目录下，但是在...
What is the difference between “int” and “uint” / “long” and “ulong”?
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230
The primitive data types prefixed with "u" are unsigned versions with the same bit sizes. Effect...
Operation on every pair of element in a list
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edited Jun 3 '09 at 18:12
answered Jun 3 '09 at 0:24
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Assigning default value while creating migration file
...olumn :tweet, :retweets_count, :integer, :null => false, :default => 0
... and read Rails API
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How to determine if a number is odd in JavaScript
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360
Use the below code:
function isOdd(num) { return num % 2;}
console.log("1 is " + isOdd(1))...
Formatting Numbers by padding with leading zeros in SQL Server
We have an old SQL table that was used by SQL Server 2000 for close to 10 years.
13 Answers
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Plot logarithmic axes with matplotlib in python
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404
You can use the Axes.set_yscale method. That allows you to change the scale after the Axes obje...