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SQlite Getting nearest locations (with latitude and longitude)
...teDerivedPosition is transforming the lat,lng coordinate in to a cartesian one and then you in the SQL query, you are comparing these cartesian values with the lat,long values. Two different geometrical coordinates? How does this work? Thanks.
– Misgevolution
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Why is enum class preferred over plain enum?
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conventional enums implicitly convert to int, causing errors when someone does not want an enumeration to act as an integer.
conventional enums export their enumerators to the surrounding scope, causing name clashes.
the underlying type of an enum cannot be specified, causing confusion, com...
Generate a random letter in Python
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Yes, though if you're choosing just one letter that doesn't make a difference Furthermore, you may want 5 unique letters - the OP didn't specify, and both random.choice and random.randint return a single value. You can also use numpy.random.choice to give a uni...
How do I change the IntelliJ IDEA default JDK?
...ey combos etc. Then we devs could just remain productive when jumping from one IDE to another.
– Adam
Aug 23 '17 at 12:26
3
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Facebook database design?
...de up of the two foreign
keys, both pointing back to the user table. One ID will point to the
logged in user, the other ID will point to the individual friend
of that user)
Example Usage:
Table User
--------------
UserID EmailAddress Password Gender DOB Location
-------------...
How to remove leading zeros from alphanumeric text?
...he problem specification. The following removes leading zeroes, but leaves one if necessary (i.e. it wouldn't just turn "0" to a blank string).
s.replaceFirst("^0+(?!$)", "")
The ^ anchor will make sure that the 0+ being matched is at the beginning of the input. The (?!$) negative lookahead ensur...
What is Dependency Injection and Inversion of Control in Spring Framework?
"Dependency Injection" and "Inversion of Control" are often mentioned as the primary advantages of using the Spring framework for developing Web frameworks
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SQLAlchemy ORDER BY DESCENDING?
...lso specify those things as column attributes. For instance, I might have done:
.order_by(model.Entry.amount.desc())
This is handy since it avoids an import, and you can use it on other places such as in a relation definition, etc.
For more information, you can refer this
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How to repeat last command in python interpreter shell?
... Most appropriate answer. Should have been chosen as the correct one.
– Davidson Lima
Sep 25 '17 at 13:59
th...
“fatal: Not a git repository (or any of the parent directories)” from git status
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You have to actually cd into the directory first:
$ git clone git://cfdem.git.sourceforge.net/gitroot/cfdem/liggghts
Cloning into 'liggghts'...
remote: Counting objects: 3005, done.
remote: Compressing objects: 100% (2141/2141), done.
remote: Total 3005 (delta 1052), reused 2714 (de...