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What is the maximum length of a Push Notification alert text?
...ocumented anywhere.
The only thing the documentation says is:
In iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses any notification that exceeds this limit. (Prior to iOS 8 and in OS X, the maximum payload size is 256 byt...
XPath with multiple conditions
...hat XPath can I use to select any category with a name attribute specified and any child node author with the value specified.
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surface plots in matplotlib
...ing projection='3d' in add_subplot
import matplotlib.pyplot as plt
import random
def fun(x, y):
return x**2 + y
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
x = y = np.arange(-3.0, 3.0, 0.05)
X, Y = np.meshgrid(x, y)
zs = np.array(fun(np.ravel(X), np.ravel(Y)))
Z = zs.reshape(...
How to change Navigation Bar color in iOS 7?
... you set the translucent property to NO.
Availability
Available in iOS 7.0 and later.
Declared In
UINavigationBar.h
Code
NSArray *ver = [[UIDevice currentDevice].systemVersion componentsSeparatedByString:@"."];
if ([[ver objectAtIndex:0] intValue] >= 7) {
// iOS 7.0 or later
self.navig...
How to check if a user is logged in (how to properly use user.is_authenticated)?
...ng. I need to check if the current site user is logged in (authenticated), and am trying:
6 Answers
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When to use inline function and when not to use it?
I know that inline is a hint or request to compiler and its used to avoid function call overheads.
14 Answers
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How do I insert NULL values using PDO?
I'm using this code and I'm beyond frustration:
9 Answers
9
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How do you list the active minor modes in emacs?
...
C-h m or M-x describe-mode shows all the active minor modes (and major mode) and a brief description of each.
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Where is git.exe located?
I have PyCharm and I am looking around trying to find git.exe to set it up with my repo.
37 Answers
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Create a unique number with javascript time
... month, two digit day, two digit hour, two digit minute, two digit second, and three digit millisecond. So it would look something like this: 20111104103912732 ... this would give enough certainty of a unique number for my purposes.
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