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Fastest way to determine if record exists
...I'm not sure if an Index exists on this field, and my newbish SQL doesn't know how to find out. I am working with this DB from Java via JDBC and the database is remotely located in a colo somewhere. I've only been provided a "database summary" which just details which fields exist in each table, the...
Getting all names in an enum as a String[]
...and way to lazy to create an State array i guess, hehe, anyways iedited it now :)
– PermGenError
Dec 9 '12 at 0:15
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What is the difference between save and insert in Mongo DB?
...e save will do -> It will do normal insertion
upsert to insert.Now in this case as insert() do.
what that means, it means
take the document and replace
the complete document having same
_id.
Let us consider the two cases here for insert:-
1) Having _id of...
Is it better to specify source files with GLOB or each file individually in CMake?
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You know what? Since writing this answer 6 year ago, I've changed my mind a bit and now prefer to explicitly list files. It's only real disadvantage is "it's a bit more work to add a file", but it saves you all sorts of headaches....
How to import classes defined in __init__.py
...d something like this to lib/__init__.py
from .helperclass import Helper
now you can import it directly:
from lib import Helper
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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...rent for different routers though, so look up directions for your router.
Now, when I am outside of my home network I connect to my pi by typing:
ssh pi@[hostname]
Then I am able to input my password and connect.
sh...
What optimizations can GHC be expected to perform reliably?
GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
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Programmatically relaunch/recreate an activity?
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I used to utilze recreate() but now I see an odd problem where radio buttons do not get reset when recreating, but they do when finish(); startActivity(getIntent()); so I'm using this for now and see how it works over the next days or weeks.
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ImportError: No module named Crypto.Cipher
...install pycrypto
and reinstalling pycrypto:
sudo pip install pycrypto
Now it works as expected when I do something like:
from Crypto.Cipher import AES
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Testing service in Angular returns module is not defined
...xpected? It could or couldn't happen, but that is a liability in your code now that could be avoided, don't you think?
– foomip
May 19 '14 at 8:52
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