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How do you search an amazon s3 bucket?
... doesn't have a native "search this bucket" since the actual content is unknown - also, since S3 is key/value based there is no native way to access many nodes at once ala more traditional datastores that offer a (SELECT * FROM ... WHERE ...) (in a SQL model).
What you will need to do is perform Li...
What does auto&& tell us?
...fact that it was originally either an lvalue or an rvalue, your code says: Now that I've got your object from either an lvalue or rvalue expression, I want to preserve whichever valueness it originally had so I can use it most efficiently - this might invalidate it. As in:
auto&& var = some...
How does password salt help against a rainbow table attack?
...d the salt, so when running the dictionary attack, she can simply use the known salt when attempting to crack the password.
A public salt does two things: makes it more time-consuming to crack a large list of passwords, and makes it infeasible to use a rainbow table.
To understand the first one, i...
How can I extend typed Arrays in Swift?
... to += t
}
}
return to
}
}
Which now works as intended without build errors:
["A","B","C"].find { $0.compare("A") > 0 }
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How to calculate the angle between a line and the horizontal axis?
...aX*deltaX+deltaY*deltaY)), unless the length is 0.
After that, deltaX will now be the cosine of the angle between the vector and the horizontal axis (in the direction from the positive X to the positive Y axis at P1).
And deltaY will now be the sine of that angle.
If the vector's length is 0, it won...
How do I “un-revert” a reverted Git commit?
... PR and change the target branch to the original branch instead of master. Now your original branch can be re-merged to effect the previously reverted changes.
– pauljm
Sep 26 '14 at 16:01
...
How to add Options Menu to Fragment in Android
....MenuInflater; instead of import android.support.v4.view.MenuInflater; and now all is working
– misterbassman
Nov 29 '11 at 10:53
185
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What Vim command(s) can be used to quote/unquote words?
...y quote/unquote words and change quoting (e.g. from ' to " ) in Vim? I know about the surround.vim plugin, but I would like to use just Vim.
...
Show and hide a View with a slide up/down animation
...rstanding an applying the accepted answer. I needed a little more context. Now that I have figured it out, here is a full example:
MainActivity.java
public class MainActivity extends AppCompatActivity {
Button myButton;
View myView;
boolean isUp;
@Override
protected void on...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
...other one, you'll have a libfoo.so.1.1, and libfoo.so.1 and libfoo.so will now point to the new one, but any code that requires that exact version can use the libfoo.so.1.0 file. Code that just relies on the version 1 API, but doesn't care if it's 1.0 or 1.1 will specify libfoo.so.1. As orip point...