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Using OpenSSL what does “unable to write 'random state'” mean?
...ilename is known because neither RANDFILE nor HOME is set. (Versions up to 0.9.6 used file ".rnd" in the current directory in this case, but this has changed with 0.9.6a.)
So I would check RANDFILE, HOME, and permissions to write to those places in the filesystem.
If everything seems to be in or...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
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edited Apr 20 '11 at 12:22
answered Apr 20 '11 at 12:01
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Bash Templating: How to build configuration files from templates with Bash?
...bash
while read -r line ; do
while [[ "$line" =~ (\$\{[a-zA-Z_][a-zA-Z_0-9]*\}) ]] ; do
LHS=${BASH_REMATCH[1]}
RHS="$(eval echo "\"$LHS\"")"
line=${line//$LHS/$RHS}
done
echo "$line"
done
. Solution that does not hang if RHS references some variable that referen...
Is it possible to reference one CSS rule within another?
...ating them with a comma).
.opacity, .someDiv {
filter:alpha(opacity=60);
-moz-opacity:0.6;
-khtml-opacity: 0.6;
opacity: 0.6;
}
.radius, .someDiv {
border-top-left-radius: 15px;
border-top-right-radius: 5px;
-moz-border-radius-topleft: 10px;
-moz-border-radius-topr...
Location Manager Error : (KCLErrorDomain error 0)
...ion.
– Undistraction
Jun 18 '13 at 10:18
9
If you are wondering where is SCHEME follow this link ...
Disable webkit's spin buttons on input type=“number”?
...er]::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
input[type=number] {
-moz-appearance:textfield;
}
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Pythonic way to check if a list is sorted or not
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edited Jan 29 '18 at 14:08
Andreas Haferburg
4,42311 gold badge2424 silver badges4949 bronze badges
an...
Using a bitmask in C#
...se the Flags attribute on an enum:
[Flags]
public enum Names
{
None = 0,
Susan = 1,
Bob = 2,
Karen = 4
}
Then you'd check for a particular name as follows:
Names names = Names.Susan | Names.Bob;
// evaluates to true
bool susanIsIncluded = (names & Names.Susan) != Names.None;...
What is the maximum size of a web browser's cookie's key?
...c. If you want to support most browsers, I suggest keeping the name under 4000 bytes, and the overall cookie size under 4093 bytes.
One thing to be careful of: if the name is too big you cannot delete the cookie (at least in JavaScript). A cookie is deleted by updating it and setting it to expire. ...