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Postgres and Indexes on Foreign Keys and Primary Keys
Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table?
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How to compute the similarity between two text documents?
I am looking at working on an NLP project, in any programming language (though Python will be my preference).
10 Answers
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UIButton custom font vertical alignment
I've got a UIButton which uses a custom font, which is set when my view loads:
6 Answers
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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...p --sport 22 -m state --state NEW,ESTABLISHED -j ACCEPT
类似的，对于HTTP/HTTPS(80/443)、pop3(110)、rsync(873)、MySQL(3306)等基于tcp连接的服务，也可以参照上述命令配置。
对于基于udp的dns服务，使用以下命令开启端口服务：
iptables -A OUTPUT -p ud...
Inserting a Python datetime.datetime object into MySQL
I have a date column in a MySQL table. I want to insert a datetime.datetime() object into this column. What should I be using in the execute statement?
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NumPy: function for simultaneous max() and min()
numpy.amax() will find the max value in an array, and numpy.amin() does the same for the min value. If I want to find both max and min, I have to call both functions, which requires passing over the (very big) array twice, which seems slow.
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Separation of JUnit classes into special test package?
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HtmlEncode from Class Library
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Import System.Web
Or call the System.Web.HttpUtility which contains it
You will need to add the reference to the DLL if it isn't there already
string TestString = "This is a <Test String>.";
string EncodedString = System.Web.HttpUtility.HtmlEncode(TestString...
Unauthorised webapi call returning login page rather than 401
...re you are referencing the correct one for Web API's. There is System.Web.Http.AuthorizeAttribute which is used for Web API's, and System.Web.Mvc.AuthorizeAttribute which is used for controllers with views. Http.AuthorizeAttribute will return a 401 error if authorization fails and Mvc.AuthorizeAtt...
How to save username and password with Mercurial?
... section in your .hgrc or Mercurial.ini file, like so:
[auth]
bb.prefix = https://bitbucket.org/repo/path
bb.username = foo
bb.password = foo_passwd
The ‘bb’ part is an arbitrary identifier and is used to match prefix with username and password - handy for managing different username/password...