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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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Setting background colour of Android layout element
I am trying to, somewhat clone the design of an activity from a set of slides on Android UI design . However I am having a problem with a very simple task.
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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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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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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 ...
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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@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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How can I run an external command asynchronously from Python?
... has the advantage of servicing the early-finishing requests first. If you call communicate on the first running process and that turns out to run the longest, the other running processes will have been sitting there idle when you could have been handling their results.
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