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Daylight saving time and time zone best practices [closed]
I am hoping to make this question and the answers to it the definitive guide to dealing with daylight saving time, in particular for dealing with the actual change overs.
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Compiler error: memset was not declared in this scope
I am trying to compile my C program in Ubuntu 9.10 (gcc 4.4.1).
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Can I make the foreign key field optional in Django model
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Sure, just add blank=True, null=True for each field that you want to remain optional like
subject = models.ForeignKey(subjects, blank=True, null=True)
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jQuery: Best practice to populate drop down?
...xample I see posted all of the time seems like it's suboptimal, because it involves concatenating strings, which seems so not jQuery. It usually looks like this:
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Reliable timer in a console application
I am aware that in .NET there are three timer types (see Comparing the Timer Classes in the .NET Framework Class Library ). I have chosen a threaded timer as the other types can drift if the main thread is busy, and I need this to be reliable.
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Django: accessing session variables from within a template?
If I set a session variable in Django, like:
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GROUP BY with MAX(DATE) [duplicate]
I'm trying to list the latest destination (MAX departure time) for each train in a table, for example :
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How can I convert a DateTime to the number of seconds since 1970?
I'm trying to convert a C# DateTime variable to Unix time, ie, the number of seconds since Jan 1st, 1970. It looks like a DateTime is actually implemented as the number of 'ticks' since Jan 1st, 0001.
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Reading a List from properties file and load with spring annotation @Value
I want to have a list of values in a .properties file, ie:
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Why does (1 in [1,0] == True) evaluate to False?
When I was looking at answers to this question , I found I didn't understand my own answer.
1 Answer
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