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Using OpenSSL what does “unable to write 'random state'” mean?
...cate to protect my server's admin section, and I keep getting this message from OpenSSL:
8 Answers
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How do I calculate a point on a circle’s circumference?
...loat radius, float angleInDegrees, PointF origin)
{
// Convert from degrees to radians via multiplication by PI/180
float x = (float)(radius * Math.Cos(angleInDegrees * Math.PI / 180F)) + origin.X;
float y = (float)(radius * Math.Sin(angleInDegrees * Math.PI / 180...
Definition of a Balanced Tree
... For any node in AVL, the height of its left subtree differs by at most 1 from the height of its right subtree.
Next question, what is "height"?
The "height" of a node in a binary tree is the length of the longest path from that node to a leaf.
There is one weird but common case:
Peop...
CMake output/build directory
...reat these as read-only.
First remove the existing problematic cache file from the src directory:
cd src
rm CMakeCache.txt
cd ..
Then remove all the set() commands and do:
cd Compile
rm -rf *
cmake ../src
As long as you're outside of the source directory when running CMake, it will not modify...
Most concise way to convert a Set to a List
...
@Jack: That definitely won't be the case. From the Javadoc from java.util.List: "Lists (like Java arrays) are zero based."
– Adamski
Feb 19 '16 at 14:55
...
How to get an enum which is created in attrs.xml in code
...
There does not seem to be an automated way to get a Java enum from an attribute enum - in Java you can get the numeric value you specified - the string is for use in XML files (as you show).
You could do this in your view constructor:
TypedArray a = context.getTheme().obtainStyledAttr...
How to delete an element from an array in C#
...
Removing from an array itself is not simple, as you then have to deal with resizing. This is one of the great advantages of using something like a List<int> instead. It provides Remove/RemoveAt in 2.0, and lots of LINQ extensi...
Sleep until a specific time/date
... does not support precision below seconds, you would need to use coreutils from brew instead → see these instructions
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HTML tag affecting line height, how to make it consistent?
....8 before the <sup> no longer interferes with it, but this will vary from font to font.
One possible approach to get consistent line heights is to set your own superscript styling instead of the default vertical-align: super. If you use top it won't add anything to the line box, but you may h...
Is there a ceiling equivalent of // operator in Python?
... (lossy) floating-point conversion.
Here's a demonstration:
>>> from __future__ import division # a/b is float division
>>> from math import ceil
>>> b = 3
>>> for a in range(-7, 8):
... print(["%d/%d" % (a, b), int(ceil(a / b)), -(-a // b)])
...
['-7/3',...