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How to set up a PostgreSQL database in Django
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You need to install psycopg2 Python library.
Installation
Download http://initd.org/psycopg/, then install it under Python PATH
After downloading, easily extract the tarball and:
$ python setup.py install
Or if you wish, install it b...
jquery.validate.unobtrusive not working with dynamic injected elements
...ate it to include the code in the comments otherwise it can break. Specifically, change the two selector lines to double quote the id.
– Ryan O'Neill
Jul 14 '11 at 19:50
1
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Best way to extract a subvector from a vector?
Suppose I have a std::vector (let's call it myVec ) of size N . What's the simplest way to construct a new vector consisting of a copy of elements X through Y, where 0
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Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
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It's not faster.
If you really care, compile with assembler output for your platform and look to see.
It doesn't matter. This never matters. Write your infinite loops however you like.
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How to get whole and decimal part of a number?
...ng point number arithmetic. See here: stackoverflow.com/questions/3726721/php-math-precision
– Matt James
Sep 12 '14 at 18:56
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Font from origin has been blocked from loading by Cross-Origin Resource Sharing policy
I'm receiving the following error on a couple of Chrome browsers but not all. Not sure entirely what the issue is at this point.
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Show a popup/message box from a Windows batch file
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I would make a very simple VBScript file and call it using CScript to parse the command line parameters.
Something like the following saved in MessageBox.vbs:
Set objArgs = WScript.Arguments
messageText = objArgs(0)
MsgBox messageText
Which you would call like:
cscr...
CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...过make命令构建项目生成目标文件，还支持安装（make install）、测试安装的程序是否能正确执行（make test，或者ctest）、生成当前平台的安装包（make package）、生成源码包（make package_source）、产生Dashboard显示数据并上传等高级功...
Mod of negative number is melting my brain
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arrayLength works fine for positive numbers but for negative numbers it all goes wrong.
12 Answers
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How can I use goto in Javascript?
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Absolutely! There is a project called Summer of Goto that allows you use JavaScript at its fullest potential and will revolutionize the way you can write your code.
This JavaScript preprocessing tool allows you to create a label and then goto it using this ...