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What are the differences between a multidimensional array and an array of arrays in C#?

... int32 'value') cil managed { // Code size 7 (0x7) .maxstack 8 IL_0000: ldarg.0 IL_0001: ldarg.1 IL_0002: ldelem.ref IL_0003: ldarg.2 IL_0004: ldarg.3 IL_0005: stelem.i4 IL_0006: ret } // end of method Program::SetElementAt .method private hideby...
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Running a cron job at 2:30 AM everyday

How to configure a cron job to run every night at 2:30? I know how to make it run at 2, but not 2:30. 6 Answers ...
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...erver Class * By James.Huang <shagoo#gmail.com> **/ set_time_limit(0); class SocketServer { private static $socket; function SocketServer($port) { global $errno, $errstr; if ($port < 1024) { die("Port must be a number which bi...
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Iterating over a numpy array

...&gt;&gt;&gt; for (x,y), value in numpy.ndenumerate(a): ... print x,y ... 0 0 0 1 1 0 1 1 2 0 2 1 Regarding the performance. It is a bit slower than a list comprehension. X = np.zeros((100, 100, 100)) %timeit list([((i,j,k), X[i,j,k]) for i in range(X.shape[0]) for j in range(X.shape[1]) for k...
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How to create a circular ImageView in Android? [duplicate]

...awable == null) { return; } if (getWidth() == 0 || getHeight() == 0) { return; } Bitmap b = ((BitmapDrawable) drawable).getBitmap(); Bitmap bitmap = b.copy(Bitmap.Config.ARGB_8888, true); int w = getWidth(); @SuppressW...
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[完整源码实例] 修改 CListCtrl 的标题栏字体颜色;重绘 CListCtrl 标题栏 ...

...t; f->CreateFont(13, // nHeight 0, // nWidth 0, // nEscapement 0, // nOrientation 700, // nWeight FALSE, ...
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Ora-00257 错误处理一列 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

Ora-00257 错误处理一列sqlplus assysdba报错ORA-12162切回系统确认系统当前的ORACLE_HOME和ORACLE_SID环境变量[oracle@asdlabdb01~]$echo$ORACLE_HOME空的[oracle...sqlplus /as sysdba 报错ORA-12162 切回系统 确认系统当前的ORACLE_HOME和ORACLE_SID环境变量 [oracle...
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Python中的X[:,0]和X[:,1] - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

Python中的X[:,0]和X[:,1]X[:,0]是numpy中数组的一种写法,表示对一个二维数组,取该二维数组第一维中的所有数据,第二维中取第0个数据,直观来说,X[:,0]就是取所有 X[:,0]是numpy中数组的一种写法,表示对一个二维数组,取该二维...
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oracle10g 网址收藏 - ORACLE - 清泛IT论坛,有思想、有深度

...果通过迅雷进行下载,就不用登陆OTN了: Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (32-bit) http://download.oracle.com/otn/nt/oracle10g/10201/10201_database_win32.zip http://download.oracle.com/otn/nt/oracle10g/10201/10201_client_wi...
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Is there a way to make npm install (the command) to work behind proxy?

...ng this syntax: npm --proxy http://username:password@cacheaddress.com.br:80 install packagename Skip the username:password part if proxy doesn't require you to authenticate EDIT: A friend of mine just pointed out that you may get NPM to work behind a proxy by setting BOTH HTTP_PROXY and HTTPS_P...