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String comparison in bash. [[: not found
...u Toolbelt
This is how I solved the problem
$ ls -l /bin/sh
lrwxrwxrwx 1 root root 4 ago 15 2012 /bin/sh -> dash
As you can see, /bin/sh is a link to "dash" (not bash), and [[ is bash syntactic sugarness. So I just replaced the link to /bin/bash. Careful using rm like this in your system!
$...
Where should I put the log4j.properties file?
...ject using netbeans 6.7.1 with glassfish v2.1, put log4j.properties to the root dir of project and use:
18 Answers
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How can I obtain the element-wise logical NOT of a pandas Series?
...on, but it didn't perform the same as np.invert :S
– root
Apr 14 '13 at 13:11
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Ruby off the rails
... with the floor sensors and the lighting controllers. The system queries a MYSQL database for the media files to be displayed and then tells computers in the walls to play the media via UDP.
It's the most reliable part of the entire exhibit.
Ruby was used for the other major part of the exhibit, t...
Unmount the directory which is mounted by sshfs in Mac [closed]
...lummie/Documents/stanford
If that doesn't work, try the same command as root:
sudo umount -f ...
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How to get last N records with activerecord?
...e with first. In SQL the order isn't guaranteed unless you specify it, but MySQL is more forgiving.
– Ghoti
Jul 15 '12 at 10:56
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OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...口就不知道哪个窗口发的(当然可以用参数进行约定)。
如何解决这个问题？
有几种思路：1.重写ON_MESSAGE宏，增加ID的限制；2.模拟按钮单击消息；3.自定义WM_NOTIFY消息。基于这些思路都不能修改MFC底层的代码。
用调试的方式查...
Find document with array that contains a specific value
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As someone new to Mongo coming from an RDBMS like MySQL, to find that such solutions work so simply without needing JOINs and additional tables makes me wonder why I haven't started on Mongo sooner. But that's not to say either DBMS is superior over the other - it depends on...
普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...要以为名气大就不会被干掉，被干掉OpenSolaris、OpenOffice、Mysql个个历史悠久，名气大。）
那么究竟什么是“技术”？答案：数据结构、操作系统、计算机体系结构、数据库原理、编译器工作原理、软件工程方法论等。我们的所...
Manually put files to Android emulator SD card
...t be running to show in the DDMS Devices list.
– IAmGroot
May 15 '12 at 8:49
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