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How do I test for an empty string in a Bash case statement?
...ions based on the value of a variable. The general syntax of the case statement is:
3 Answers
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Detecting programming language from a snippet
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I think that the method used in spam filters would work very well. You split the snippet into words. Then you compare the occurences of these words with known snippets, and compute the probability that this snippet is written in language X fo...
In Python, how to display current time in readable format
How can I display the current time as:
6 Answers
6
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Rails - Validate Presence Of Association?
...has a "has_many" association to another model B. I have a business requirement that an insert into A requires at least 1 associated record to B. Is there a method I can call to make sure this is true, or do I need to write a custom validation?
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Is it correct to use alt tag for an anchor link?
Is it correct to use alt tag for an anchor link, something like
7 Answers
7
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adb update a non-market apk?
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There is some data I store in the app which I would like to retain across updates/reinstalls. I figure if this is a limitation, the only way I have is to store it in the SD Card, but thats again a risk if the user deletes the data from ...
What is meant by the term “hook” in programming?
I recently heard the term "hook" while talking to some people about a program I was writing. I'm unsure exactly what this term implies although I inferred from the conversation that a hook is a type of function. I searched for a definition but was unable to find a good answer. Would someone be ab...
SqlAlchemy - Filtering by Relationship Attribute
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Use method has() of relationship (more readable):
patients = Patient.query.filter(Patient.mother.has(phenoscore=10))
or join (usually faster):
patients = Patient.query.join(Patient.mother, aliased=True)\
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PostgreSQL delete with inner join
... answered Aug 1 '12 at 6:46
OmeshOmesh
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Writing a dict to txt file and reading it back?
...string; but you want to turn the string back into a dictionary.
The error message you saw was because self.whip was a string, not a dictionary.
I first wrote that you could just feed the string into dict() but that doesn't work! You need to do something else.
Example
Here is the simplest way: f...