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How to create a colored 1x1 UIImage on the iPhone dynamically?
I would like to create a 1x1 UIImage dynamically based on a UIColor.
6 Answers
6
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Size of font in CSS with slash
...
The syntax of this property is based on a traditional typographical shorthand notation to set multiple properties related to fonts.
As David M said in the comments, it mirrors the typesetting tradition of specifying typeface sizes as “x pt on y pt” to denote the glyph size on line hei...
Sass negative variable value?
I have a couple of scss selectors where I use the same amount positive and negative, as in:
3 Answers
...
Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...n make real JNI calls into native code that contains special instructions for CAS
read more about CAS here http://en.wikipedia.org/wiki/Compare-and-swap
The sun.misc.Unsafe functionality of the host VM can be used to allocate uninitialized objects and then interpret the constructor invocation as an...
Regex Email validation
... the email address to the
MailAddress.MailAddress(String) class constructor.
public bool IsValid(string emailaddress)
{
try
{
MailAddress m = new MailAddress(emailaddress);
return true;
}
catch (FormatException)
{
return false;
}
}
This saves yo...
How to print full stack trace in exception?
For example, in one place...
3 Answers
3
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How to round a number to n decimal places in Java
...de explicitly to handle your issue with the half-even round, then use the format pattern for your required output.
Example:
DecimalFormat df = new DecimalFormat("#.####");
df.setRoundingMode(RoundingMode.CEILING);
for (Number n : Arrays.asList(12, 123.12345, 0.23, 0.1, 2341234.212431324)) {
Do...
vertical & horizontal lines in matplotlib
I do not quite understand why I am unable to create horizontal and vertical lines at specified limits. I would like to bound the data by this box. However, the sides do not seem to comply with my instructions. Why is this?
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Fill between two vertical lines in matplotlib
.... The differences is that axvspan (and axhspan) will fill up the entire y (or x) extent of the plot regardless of how you zoom.
For example, let's use axvspan to highlight the x-region between 8 and 14:
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
ax.plot(range(20))
ax.axvspan(8, 14, ...
Can someone explain this 'double negative' trick? [duplicate]
...
A logical NOT operator ! converts a value to a boolean that is the opposite of its logical value.
The second ! converts the previous boolean result back to the boolean representation of its original logical value.
From these docs for the Log...