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Regex for password must contain at least eight characters, at least one number and both lower and up
I want a regular expression to check that:
31 Answers
31
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Why can't I make a vector of references?
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The component type of containers like vectors must be assignable. References are not assignable (you can only initialize them once when they are declared, and you cannot make them reference something else later). Other non-assignable types are also not allowed as components of conta...
Share variables between files in Node.js?
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Global variables are almost never a good thing (maybe an exception or two out there...). In this case, it looks like you really just want to export your "name" variable. E.g.,
// module.js
var name = "foobar";
// export it
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How can I remove specific rules from iptables?
I am hosting special HTTP and HTTPS services on the ports 8006 and 8007 respectively. I use iptables to "activate" the server; i.e. to route the incoming HTTP and HTTPS ports:
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I forgot the password I entered during postgres installation
I either forgot or mistyped (during the installation) the password to the default user of Postgres. I can't seem to be able to run it and I get the following error:
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The most efficient way to implement an integer based power function pow(int, int)
What is the most efficient way given to raise an integer to the power of another integer in C?
17 Answers
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Formula px to dp, dp to px android
I am trying to calculate a variable amount of pixels to density independent pixels and vice-versa.
20 Answers
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How to find third or nth maximum salary from salary table?
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Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE ...
Convert MySql DateTime stamp into JavaScript's Date format
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Some of the answers given here are either overcomplicated or just will not work (at least, not in all browsers). If you take a step back, you can see that the MySQL timestamp has each component of time in the same order as the arguments require...
Convert InputStream to BufferedReader
I'm trying to read a text file line by line using InputStream from the assets directory in Android.
3 Answers
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