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Calculate date/time difference in java [duplicate]
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96
try
long diffSeconds = diff / 1000 % 60;
long diffMinutes = diff / (60 * 1000) % 60;
long d...
How do I fix "The expression of type List needs unchecked conversion…'?
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96
Since getEntries returns a raw List, it could hold anything.
The warning-free approach is to c...
Error: allowDefinition='MachineToApplication' beyond application level
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96
I've just encountered this "delight". It seems to present itself just after I've published a w...
How can I implement an Access Control List in my Web MVC application?
...s most of it to proper services (some of it goes to view too). Services perform operations that you commanded them to do. Then, when view is generating the response, it requests data from services, and based on that information, generates the response. Said response can be either HTML made from mult...
Reorder / reset auto increment primary key
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96
You could drop the primary key column and re-create it. All the ids should then be reassigned i...
Drop rows with all zeros in pandas data frame
...eit df[(df.sum(axis=1) != 0)]
1000 loops, best of 3: 495 µs per loop
In [96]: %timeit df[df.values.sum(axis=1) != 0]
1000 loops, best of 3: 217 µs per loop
On a larger dataset:
In [119]: bdf = pd.DataFrame(np.random.randint(0,2,size=(10000,4)))
In [120]: %timeit bdf[(bdf.T != 0).any()]
1000 l...
How can I see the size of files and directories in linux? [closed]
...or help
--- / ---------------------------------------------------------
. 96,1 GiB [##########] /home
. 17,7 GiB [# ] /usr
. 4,5 GiB [ ] /var
1,1 GiB [ ] /lib
732,1 MiB [ ] /opt
. 275,6 MiB [ ] /boot
198,0 MiB [ ] /storage
. 153,5 MiB ...
How to delete .orig files after merge from git repository?
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96
you can do:
git config --global mergetool.keepBackup false
For more info, refer to to Git me...
Is it possible to refresh a single UITableViewCell in a UITableView?
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Gregory HillGregory Hill
96
Java JDBC - How to connect to Oracle using Service Name instead of SID
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96
So there are two easy ways to make this work. The solution posted by Bert F works fine if you d...