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Best practices for using Markers in SLF4J/Logback
...aming convention. It's entirely arbitrary. Choose something that's aesthetically pleasing, self-descriptive (most important), and specific enough to be unlikely to conflict with later additions. Hyphens vs. underscores is exceedingly nitpicky and alarmingly beside the point, but note it may be less ...
On Duplicate Key Update same as insert
I've searched around but didn't find if it's possible.
8 Answers
8
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Capturing mobile phone traffic on Wireshark
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Regarding option 2: that's practically a non-existent option. From their page: "You will need [...] and a RTL8187 based wireless NIC"!!!!
– matteo
Aug 22 '14 at 22:20
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What is “android:allowBackup”?
...ake those operations. there is an app for backup&restore without root, called "Helium" : play.google.com/store/apps/…
– android developer
Sep 24 '13 at 7:15
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Multiple GitHub Accounts & SSH Config
...hub.com
HostName github.com
PreferredAuthentications publickey
IdentityFile ~/.ssh/me_rsa
Host work.github.com
HostName github.com
PreferredAuthentications publickey
IdentityFile ~/.ssh/work_rsa
My work profile didn't take until I did a ssh-add ~/.ssh/work_rsa. After that ...
How can I get the current user's username in Bash?
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@BillMan, what does that even mean? Could you provide an example?
– Dejay Clayton
Nov 18 '15 at 16:06
17
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SQLAlchemy ORDER BY DESCENDING?
...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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@UniqueConstraint annotation in Java
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@Entity
@Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})})
public class class_name {
@Id
@GeneratedValue
public Long id;
@NotNull
public Long id_1;
@NotNull
public Long id_2;
}
Hope it helped.
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twitter bootstrap navbar fixed top overlapping site
...ifts up like the navbar isn't there and the navbar overlaps it. here's basically how i laid it out:
18 Answers
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Why does Dijkstra's algorithm use decrease-key?
... the total number of heap dequeues is n. Each node will have decrease-key called on it potentially once for each edge leading into it, so the total number of decrease-keys done is at most m. This gives a runtime of (n Te + n Td + m Tk), where Tk is the time required to call decrease-key.
So what ...