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How to send email via Django?
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Send the email to a real SMTP server. If you don't want to set up your own then you can find companies that will run one for you, such as Google themselves.
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How do I implement an Objective-C singleton that is compatible with ARC?
.../function. Every separate run through the +sharedInstance method (even on different threads) will 'see' the same sharedInstance variable.
– Nick Forge
Aug 3 '12 at 4:08
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sqlite database default time value 'now'
...e to craete a table that has a timestamp column that default to DATETIME('now') ?
7 Answers
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Can table columns with a Foreign Key be NULL?
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@CJDennis If you make it so that only one row can have a null ID, it could be used as fallback values for other rows. (Though it might work out better for the DB if you just use more columns.) The default constraint seems like a proble...
How to detect the OS from a Bash script?
...se them between all the computers I use. The problem is I have some OS specific aliases so I was looking for a way to determine if the script is running on Mac OS X, Linux or Cygwin .
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Why do I get “unresolved external symbol” errors when using templates? [duplicate]
...ed function. When it comes to compile the template's source file, the specific template type that is being used in the program source isn't used there so it still won't generate the code required for the function. This results in the unresolved external symbol.
The solutions available for this ar...
Sort a text file by line length including spaces
...tching length - what to do in the case of a tie:
The question did not specify whether or not further sorting was wanted for lines of matching length. I've assumed that this is unwanted and suggested the use of -s (--stable) to prevent such lines being sorted against each other, and keep them in th...
Java: getMinutes and getHours
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Question: Now that Java 8 has rolled out with LocalDateTime, is there any reason you should use Joda Time over LocalDateTime?
– chrips
Apr 29 '18 at 14:51
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Merge / convert multiple PDF files into one PDF
...no other pdf exists in that directory and their order is preserved by "*". If its not preserved, using ranges: filename_{0..9}.pdf solves it.
– lepe
Jan 5 '15 at 5:48
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JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
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If you don't want to add default constructor (e.g., when you are dealing with immutable objects). You will have to tell which constructor or factory method to use to instantiate the object using JsonCreator annotation.
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