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Converting a String to DateTime
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Since you are handling 24-hour based time and you have a comma separating the seconds fraction, I recommend that you specify a custom format:
DateTime myDate = DateTime.ParseExact("2009-05-08 14:40:52,531", "yyyy-MM-dd HH:mm:ss,fff",
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Python: Get relative path from comparing two absolute paths
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os.path.commonprefix() and os.path.relpath() are your friends:
>>> print os.path.commonprefix(['/usr/var/log', '/usr/var/security'])
'/usr/var'
>>> print os.path.commonprefix(['/tmp', '/usr/var']) # No common prefix: the root is...
What package naming convention do you use for personal/hobby projects in Java?
I'm already familiar with the standard Java package naming convention of using a domain name to create a unique package name (i.e. package com.stackoverflow.widgets ). However, I've never seen any recommendations for how to choose package names for personal projects. I assume because this is becaus...
Convert tabs to spaces in Notepad++
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I'm using v7.2.2 and I can change tabs to spaces using Edit -> Blank Operations -> Tab to Space. Also the Tab Settings are now in Edit -> Preferences -> Language. Although, I don't understand what the Tab Settings does. I've check...
Is there a short contains function for lists?
...m not in list:
# do something
It's work fine for lists, tuples, sets and dicts (check keys).
Note that this is an O(n) operation in lists and tuples, but an O(1) operation in sets and dicts.
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Setting the default Java character encoding
...r main method is entered, the character encoding used by String.getBytes() and the default constructors of InputStreamReader and OutputStreamWriter has been permanently cached.
As Edward Grech points out, in a special case like this, the environment variable JAVA_TOOL_OPTIONS can be used to specify...
How can I lock a file using java (if possible)
...utStreamReader(in, charset)
) {
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}
(Disclaimer: Code not compiled and certainly not tested.)
Note the section entitled "platform dependencies" in the API doc for FileLock.
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How do I detect whether a Python variable is a function?
I have a variable, x , and I want to know whether it is pointing to a function or not.
25 Answers
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MSSQL Error 'The underlying provider failed on Open'
I was using an .mdf for connecting to a database and entityClient . Now I want to change the connection string so that there will be no .mdf file.
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ASP.NET MVC Conditional validation
...ional validation rules in MVC3; have your model inherit IValidatableObject and implement the Validate method:
public class Person : IValidatableObject
{
public string Name { get; set; }
public bool IsSenior { get; set; }
public Senior Senior { get; set; }
public IEnumerable<Vali...